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  <p align="center" style="border:none;margin:0in 0in .0001pt;padding:0in;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
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  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">UNITED
  STATES</font></b></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">SECURITIES
  AND EXCHANGE COMMISSION</font></b></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Washington,
  D.C.&#160; 20549</font></b></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">FORM&nbsp;8-K</font></b></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">CURRENT REPORT</font></b></p>
  
  <h1 style="margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;">Pursuant to Section&nbsp;13 or 15(d)&nbsp;of</font></b></h1>
  
  <h1 style="margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;">the Securities Exchange Act of 1934</font></b></h1>
  
  <h1 style="margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></b></h1>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Date of Report
  (Date of earliest event reported):&#160;&#160; <b>May&nbsp;6, 2008</b></font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <h1 style="margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;">Great Lakes Dredge&nbsp;&amp; Dock Corporation</font></b></h1>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Exact name of
  Registrant as specified in its charter)</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <div align="center">
  
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   <tr>
    <td width="32%" valign="top" style="padding:0in .7pt 0in .7pt;width:32.0%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Delaware</font></b></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.0%;">
    <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
    </td>
    <td width="32%" valign="top" style="padding:0in .7pt 0in .7pt;width:32.0%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">001-33225</font></b></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.0%;">
    <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
    </td>
    <td width="32%" valign="top" style="padding:0in .7pt 0in .7pt;width:32.0%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">20-5336063</font></b></p>
    </td>
   </tr>
   <tr>
    <td width="32%" valign="top" style="padding:0in .7pt 0in .7pt;width:32.0%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(State or other
    jurisdiction of</font></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.0%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="32%" valign="top" style="padding:0in .7pt 0in .7pt;width:32.0%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Commission File
    Number)</font></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.0%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="32%" valign="top" style="padding:0in .7pt 0in .7pt;width:32.0%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(I.R.S. Employer</font></p>
    </td>
   </tr>
   <tr>
    <td width="32%" valign="top" style="padding:0in .7pt 0in .7pt;width:32.0%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Incorporation or
    Organization)</font></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.0%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="32%" valign="top" style="padding:0in .7pt 0in .7pt;width:32.0%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.0%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="32%" valign="top" style="padding:0in .7pt 0in .7pt;width:32.0%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Identification
    No.)</font></p>
    </td>
   </tr>
  </table>
  
  </div>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <div align="center" style="margin:0in 0in .0001pt;text-align:center;"><hr size="1" width="25%" noshade color="black" align="center"></div>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">2122 York
  Road</font></b></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Oak
  Brook, Illinois 60523</font></b></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Address of
  Principal Executive Offices)</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">(630)
  574-3000</font></b></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Registrant&#146;s
  telephone number, including area code)</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <div align="center" style="margin:0in 0in .0001pt;text-align:center;"><hr size="1" width="25%" noshade color="black" align="center"></div>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Check the appropriate box
  below if the Form&nbsp;8-K filing is intended to simultaneously satisfy the
  filing obligation of the registrant under any of the following provisions:</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="2" style="font-size:10.0pt;">&#160;
  Written communications pursuant to Rule&nbsp;425 under the Securities
  Act (17 CFR 230.425)</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="2" style="font-size:10.0pt;">&#160;
  Soliciting material pursuant to Rule&nbsp;14a-12 under the Exchange Act
  (17 CFR 240.14a-12)</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="2" style="font-size:10.0pt;">&#160;
  Pre-commencement communications pursuant to Rule&nbsp;14d-2(b)&nbsp;under
  the Exchange Act (17 CFR 240.14d-2(b))</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="2" style="font-size:10.0pt;">&#160;
  Pre-commencement communications pursuant to Rule&nbsp;13e-4(c)&nbsp;under
  the Exchange Act (17 CFR 240.13e-4(c))</font></p>
  
  <p style="margin:0in 0in .0001pt .5in;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <div style="border:none;border-bottom:double windowtext 6.0pt;padding:0in 0in 0in 0in;">
  
  <p style="border:none;margin:0in 0in .0001pt .5in;padding:0in;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  </div>
  
  <p style="margin:0in 0in .0001pt .5in;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>
  
  </div>
  <!-- SEQ.=1,FOLIO='',FILE='C:\JMS\Vmeane\08-13509-2\task2916062\13509-2-ba.htm',USER='vmeane',CD='May  5 16:58 2008' -->
  
  
  
  <br clear="all" style="page-break-before:always;">
  <div style="font-family:Times New Roman;">
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 2.02 &#150; Results of Operations
  and Financial Condition</font></b></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On May&nbsp;6, 2008 the
  Company issued an earnings release announcing its financial results for the
  quarter ended March&nbsp;31, 2008, and announcing a conference call and webcast
  to be held at 10:00&nbsp;a.m. (C.D.T.) on Tuesday, May&nbsp;6, 2008 to discuss
  these results.&#160; A copy of the earnings
  release is furnished as Exhibit&nbsp;99.1 and incorporated herein by reference.</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The information in this Form&nbsp;8-K
  and Exhibit&nbsp;99.1 are furnished pursuant to Item 2.02 of this Form&nbsp;8-K
  and shall not be deemed filed for purposes of Section&nbsp;18 of the Securities
  Exchange Act of 1934 or incorporated by reference in any filings under the
  Securities Act of 1933 or the Securities Exchange Act of 1934, except as shall
  be expressly set forth by specific reference in any such filing.</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item
  9.01 &#150; Financial Statements and Exhibits</font></b></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(d)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Exhibits</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The following exhibit is
  furnished herewith:</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p style="margin:0in 0in .0001pt .5in;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">99.1</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">Earnings Release of Great Lakes Dredge&nbsp;&amp;
  Dock Corporation dated May&nbsp;6, 2008 announcing financial results for the
  quarter ended March&nbsp;31, 2008.</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2</font></p>
  
  <div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>
  
  </div>
  <!-- SEQ.=1,FOLIO='2',FILE='C:\JMS\abalcon\08-13509-2\task2917632\13509-2-bc.htm',USER='abalaco',CD='May  6 08:02 2008' -->
  
  
  <br clear="all" style="page-break-before:always;">
  
  
  <div>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <h1 style="margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">SIGNATURE</font></b></h1>
  
  <h1 style="margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></b></h1>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Pursuant to the
  requirements of the Securities Exchange Act of 1934, the registrant has duly
  caused this report to be signed on its behalf by the undersigned hereunto duly
  authorized.</font></p>
  
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
   <tr>
    <td width="22%" colspan="2" valign="top" style="padding:0in .7pt 0in .7pt;width:22.88%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="12%" valign="top" style="padding:0in .7pt 0in .7pt;width:12.1%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="17%" valign="top" style="padding:0in .7pt 0in .7pt;width:17.26%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="47%" valign="top" style="padding:0in .7pt 0in .7pt;width:47.76%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">GREAT LAKES
    DREDGE&nbsp;&amp; DOCK CORPORATION</font></p>
    </td>
   </tr>
   <tr>
    <td width="22%" colspan="2" valign="top" style="padding:0in .7pt 0in .7pt;width:22.88%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="12%" valign="top" style="padding:0in .7pt 0in .7pt;width:12.1%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="17%" valign="top" style="padding:0in .7pt 0in .7pt;width:17.26%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="47%" valign="top" style="padding:0in .7pt 0in .7pt;width:47.76%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
   </tr>
   <tr>
    <td width="22%" colspan="2" valign="top" style="padding:0in .7pt 0in .7pt;width:22.88%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="12%" valign="top" style="padding:0in .7pt 0in .7pt;width:12.1%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="17%" valign="top" style="padding:0in .7pt 0in .7pt;width:17.26%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="47%" valign="top" style="padding:0in .7pt 0in .7pt;width:47.76%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
   </tr>
   <tr>
    <td width="22%" colspan="2" valign="top" style="padding:0in .7pt 0in .7pt;width:22.88%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="12%" valign="top" style="padding:0in .7pt 0in .7pt;width:12.1%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="17%" valign="top" style="padding:0in .7pt 0in .7pt;width:17.26%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="47%" valign="top" style="padding:0in .7pt 0in .7pt;width:47.76%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
   </tr>
   <tr>
    <td width="22%" colspan="2" valign="top" style="padding:0in .7pt 0in .7pt;width:22.88%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="12%" valign="top" style="padding:0in .7pt 0in .7pt;width:12.1%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="17%" valign="top" style="padding:0in .7pt 0in .7pt;width:17.26%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="47%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in .7pt 0in .7pt;width:47.76%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Deborah A. Wensel</font></p>
    </td>
   </tr>
   <tr>
    <td width="5%" valign="top" style="padding:0in .7pt 0in .7pt;width:5.78%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Date:</font></p>
    </td>
    <td width="29%" colspan="2" valign="top" style="padding:0in .7pt 0in .7pt;width:29.2%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">May&nbsp;6, 2008</font></p>
    </td>
    <td width="17%" valign="top" style="padding:0in .7pt 0in .7pt;width:17.26%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="47%" valign="top" style="border:none;padding:0in .7pt 0in .7pt;width:47.76%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Deborah A. Wensel</font></p>
    </td>
   </tr>
   <tr>
    <td width="22%" colspan="2" valign="top" style="padding:0in .7pt 0in .7pt;width:22.88%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="12%" valign="top" style="padding:0in .7pt 0in .7pt;width:12.1%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="17%" valign="top" style="padding:0in .7pt 0in .7pt;width:17.26%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="47%" valign="top" style="padding:0in .7pt 0in .7pt;width:47.76%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Senior Vice President</font></p>
    </td>
   </tr>
   <tr>
    <td width="22%" colspan="2" valign="top" style="padding:0in .7pt 0in .7pt;width:22.88%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="12%" valign="top" style="padding:0in .7pt 0in .7pt;width:12.1%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="17%" valign="top" style="padding:0in .7pt 0in .7pt;width:17.26%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="47%" valign="top" style="padding:0in .7pt 0in .7pt;width:47.76%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">and Chief Financial
    Officer</font></p>
    </td>
   </tr>
   <tr height="0">
    <td width="43" style="border:none;"></td>
    <td width="128" style="border:none;"></td>
    <td width="91" style="border:none;"></td>
    <td width="129" style="border:none;"></td>
    <td width="357" style="border:none;"></td>
   </tr>
  </table>
  
  <p style="margin:0in 0in .0001pt 2.0in;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3</font></p>
  
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  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <h1 style="margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">EXHIBIT INDEX</font></b></h1>
  
  <h1 style="margin:0in 0in .0001pt;page-break-after:avoid;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></b></h1>
  
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    <td width="6%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in .7pt 0in .7pt;width:6.36%;">
    <p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Number</font></b></p>
    </td>
    <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.46%;">
    <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
    </td>
    <td width="90%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in .7pt 0in .7pt;width:90.18%;">
    <p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Exhibit</font></b></p>
    </td>
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    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.46%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
    <td width="90%" valign="top" style="border:none;padding:0in .7pt 0in .7pt;width:90.18%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
    </td>
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    <td width="6%" valign="top" style="padding:0in .7pt 0in .7pt;width:6.36%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">99.1</font></p>
    </td>
    <td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.46%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
    </td>
    <td width="90%" valign="top" style="padding:0in .7pt 0in .7pt;width:90.18%;">
    <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Earnings Release of
    Great Lakes Dredge&nbsp;&amp; Dock Corporation dated May&nbsp;6, 2008
    announcing financial results for the quarter ended March&nbsp;31, 2008.</font></p>
    </td>
   </tr>
  </table>
  
  <p style="margin:0in 0in .0001pt .5in;text-indent:-.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  
  <p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4</font></p>
  
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metadata_filer: {"company-data": {"conformed-name": "Great Lakes Dredge & Dock CORP", "cik": "0001372020", "assigned-sic": "1600", "irs-number": "205336063", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-33225", "film-number": "08804785"}, "business-address": {"street1": "2122 YORK ROAD", "city": "OAK BROOK", "state": "IL", "zip": "60523", "phone": "630-574-3000"}, "mail-address": {"street1": "2122 YORK ROAD", "city": "OAK BROOK", "state": "IL", "zip": "60523"}, "former-company": {"former-conformed-name": "Great Lakes Dredge & Dock Holdings Corp.", "date-changed": "20060808"}}
text: UNITED
  STATES
  SECURITIES
  AND EXCHANGE COMMISSION
  Washington,
  D.C.  20549
  FORM 8-K
  CURRENT REPORT
  Pursuant to Section 13 or 15(d) of
  the Securities Exchange Act of 1934
  Date of Report
  (Date of earliest event reported):
  May 6, 2008
  Great Lakes Dredge & Dock Corporation
  (Exact name of
  Registrant as specified in its charter)
  Delaware
  001-33225
  20-5336063
  (State or other
    jurisdiction of
  (Commission File
    Number)
  (I.R.S. Employer
  Incorporation or
    Organization)
  Identification
    No.)
  2122 York
  Road
  Oak
  Brook, Illinois 60523
  (Address of
  Principal Executive Offices)
  (630)
  574-3000
  (Registrant's
  telephone number, including area code)
  Check the appropriate box
  below if the Form 8-K filing is intended to simultaneously satisfy the
  filing obligation of the registrant under any of the following provisions:
  o
  Written communications pursuant to Rule 425 under the Securities
  Act (17 CFR 230.425)
  o
  Soliciting material pursuant to Rule 14a-12 under the Exchange Act
  (17 CFR 240.14a-12)
  o
  Pre-commencement communications pursuant to Rule 14d-2(b) under
  the Exchange Act (17 CFR 240.14d-2(b))
  o
  Pre-commencement communications pursuant to Rule 13e-4(c) under
  the Exchange Act (17 CFR 240.13e-4(c))
  Item 2.02 – Results of Operations
  and Financial Condition
  On May 6, 2008 the
  Company issued an earnings release announcing its financial results for the
  quarter ended March 31, 2008, and announcing a conference call and webcast
  to be held at 10:00 a.m. (C.D.T.) on Tuesday, May 6, 2008 to discuss
  these results.  A copy of the earnings
  release is furnished as Exhibit 99.1 and incorporated herein by reference.
  The information in this Form 8-K
  and Exhibit 99.1 are furnished pursuant to Item 2.02 of this Form 8-K
  and shall not be deemed filed for purposes of Section 18 of the Securities
  Exchange Act of 1934 or incorporated by reference in any filings under the
  Securities Act of 1933 or the Securities Exchange Act of 1934, except as shall
  be expressly set forth by specific reference in any such filing.
  Item
  9.01 – Financial Statements and Exhibits
  (d)           Exhibits
  The following exhibit is
  furnished herewith:
  99.1
  Earnings Release of Great Lakes Dredge &
  Dock Corporation dated May 6, 2008 announcing financial results for the
  quarter ended March 31, 2008.
  2
  SIGNATURE
  Pursuant to the
  requirements of the Securities Exchange Act of 1934, the registrant has duly
  caused this report to be signed on its behalf by the undersigned hereunto duly
  authorized.
  GREAT LAKES
    DREDGE & DOCK CORPORATION
  /s/ Deborah A. Wensel
  Date:
  May 6, 2008
  Deborah A. Wensel
  Senior Vice President
  and Chief Financial
    Officer
  3
  EXHIBIT INDEX
  Number
  Exhibit
  99.1
  Earnings Release of
    Great Lakes Dredge & Dock Corporation dated May 6, 2008
    announcing financial results for the quarter ended March 31, 2008.
  4