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     <TITLE>Filed by Automated Filing Services Inc. (604) 609-0244 - Passport Materials Master Fund, LP - Form 144</TITLE>
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  <P align=center><B><FONT size=5>UNITEDSTATES</FONT></B><B> <BR></B><B><FONT
  size=5>SECURITIESAND EXCHANGE<B> </B>COMMISSION</FONT></B><B>
  <BR>Washington,</B><B> D.C. 20549 </B></P>
  <P align=right>OMB APPROVAL <BR>OMB Number: 3235-0101 <BR>Expires: December 31,
  2009<BR>Estimated average burden <BR>hours per response. . . . . . 2.00 </P>
  <P align=center><FONT size=5>&nbsp;<B>FORM</B><B>
  144</B></FONT><B><BR>&nbsp;</B><B>NOTICE</B><B> OF </B><B>PROPOSED</B><B> SALE
  OF </B><B>SECURITIES<BR></B><B>PURSUANT</B><B> TO RULE 144 </B><B>UNDER</B><B>
  THE </B><B>SECURITIES</B><B> ACT OF 1933 </B></P>
  <P align=center><B>ATTENTION </B>: Transmit for filing three copies of this form
  concurrently with either placing an order with a <BR>broker to execute sale or
  executing a sale directly with a market maker. </P>
  <P align=justify>(Print or Type Responses) </P>
  <DIV>
  <TABLE
  style="BORDER-COLOR: black; FONT-SIZE: 8pt; BORDER-COLLAPSE: collapse; "
  borderColor=#000000 cellSpacing=0 cellPadding=3 width="100%" border=1>
  
    <TR vAlign=top>
      <TD align=left >1. NAME OF ISSUER (please type or print)
        <BR><STRONG>Metalline Mining Co </STRONG></TD>
      <TD align=left width="15%" >&nbsp;2.IRS IDENT NO
        <BR><STRONG>91-1766677 </STRONG></TD>
      <TD align=left width="16%" >(c) SEC File No <STRONG>0-27667
        </STRONG></TD>
      <TD align=left width="33%" rowSpan=2><BR>TELEPHONE NUMBER
        <BR><B>208-665-2002 </B></TD></TR>
    <TR vAlign=top>
      <TD align=left colSpan=3 >ADDRESS OF ISSUEER STREET CITY
        STATE ZIP CODE <BR><B>1330 E. Margaret Ave. </B><B>Coeur D Alene </B><B>ID
        </B><B>83815 </B></TD></TR>
    <TR vAlign=top>
      <TD align=left >2(a) NAME OF PERSON FOR WHOSE ACCOUNT <BR>THE
        SECURITIES ARE TO BE SOLD <BR><B>Passport Materials Master Fund, LP
  </B></TD>
      <TD align=left width="15%"  >(b) IRS IDENT NO
        <BR><B>98-0484269 </B><BR></TD>
      <TD align=left width="16%" >(c) RELATIONSHIP TO ISSUER
        <BR><B>N/A </B><BR></TD>
      <TD align=left width="33%">(d) ADDRESS <BR><B>c/o Passport Management, LLC
        </B><BR><B>30 Hotaling Place, Ste 300 </B><BR><B>San Francisco, CA 94111
        </B></TD></TR></TABLE></DIV><BR>
  <DIV>
  <TABLE
  style="BORDER-COLOR: black; FONT-SIZE: 8pt; BORDER-COLLAPSE: collapse; "
  borderColor=#000000 cellSpacing=0 cellPadding=3 width="100%" border=1>
  
    <TR vAlign=top>
      <TD align=left>3(a) <BR>Title of the Class of <BR>Securities To Be
        <BR>Sold <BR><BR><BR><BR></TD>
      <TD align=left width="12%">(b) <BR>Name and Address of Each <BR>Broker
        Through Whom the <BR>Securities are to be Offered or <BR>Each Market Maker
        who is <BR>Acquiring the Securities <BR><BR></TD>
      <TD align=left width="12%">SEC <BR>USE <BR>ONLY <BR><BR>Broker- <BR>Dealer
        <BR>File <BR>Number </TD>
      <TD align=left width="12%">(c) <BR>Number of Shares <BR>or Other Units To
        <BR>Be Sold <BR><BR><BR><BR></TD>
      <TD align=left width="12%">(d) <BR>Aggregate Market <BR>Value
        <BR><BR><BR><BR><BR></TD>
      <TD align=left width="12%">(e) <BR>Number of Shares <BR>or Other Units
        <BR>Outstanding <BR><BR><BR><BR></TD>
      <TD align=left width="12%">(f) <BR>Approximate Date <BR>of Sale
        <BR><BR><BR><BR><BR></TD>
      <TD align=left width="12%">(g) <BR>Name of Each <BR>Securities
        <BR>Exchange <BR><BR><BR><BR></TD></TR>
    <TR vAlign=top>
      <TD align=left><B>Common </B><BR><BR></TD>
      <TD align=left width="12%"><B>UBS </B><BR><B>677 Washington Blvd
        </B><BR><B>Stamford, CT 06901 </B></TD>
      <TD align=left width="12%"><BR><BR></TD>
      <TD align=left width="12%"><B>15,000 </B><BR><BR></TD>
      <TD align=left width="12%"><B>44,250 </B><BR><BR></TD>
      <TD align=left width="12%"><B>38,728,603 </B><BR><BR></TD>
      <TD align=left width="12%"><B>Sept 27, 2007 </B><BR><BR></TD>
      <TD align=left width="12%"><B>AMEX </B><BR><BR></TD></TR>
    <TR>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=left
      >&nbsp;</TD>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=left width="12%"
      >&nbsp;</TD>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=left width="12%"
      >&nbsp;</TD>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=left width="12%"
      >&nbsp;</TD>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=left width="12%"
      >&nbsp;</TD>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=left width="12%"
      >&nbsp;</TD>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=left width="12%"
      >&nbsp;</TD>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=left width="12%"
      >&nbsp;</TD></TR>
    <TR>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=left
      >&nbsp;</TD>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=left width="12%"
      >&nbsp;</TD>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=left width="12%"
      >&nbsp;</TD>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=left width="12%"
      >&nbsp;</TD>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=left width="12%"
      >&nbsp;</TD>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=left width="12%"
      >&nbsp;</TD>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=left width="12%"
      >&nbsp;</TD>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=left width="12%"
      >&nbsp;</TD></TR></TABLE></DIV>
  <P align=justify>INSTRUCTIONS: </P>
  <P align=right>1 </P>
  <HR style="PAGE-BREAK-AFTER: always" align=center width="100%" color=black
  noShade SIZE=5>
  <!--$$/AFSpage=--><A name=page_2></A>
  <P align=center><strong>TABLE 1 &#150; SECURITIES TO BE SOLD</strong>&nbsp;<BR>
    Furnish the following
  information with respect to the acquisition of the securities to be sold <BR>And
  with respect to the payment of all or any part of the purchase price or other
  consideration therefore: </P>
  <DIV>
  <TABLE
  style="BORDER-COLOR: black; FONT-SIZE: 8pt; BORDER-COLLAPSE: collapse; "
  borderColor=#000000 cellSpacing=0 cellPadding=3 width="100%" border=1>
  
    <TR vAlign=top>
      <TD align=center>Title of the Class <BR></TD>
      <TD align=center width="14%">Date you Acquired <BR></TD>
      <TD align=center width="14%">Nature of Acquisition Transaction <BR></TD>
      <TD align=center width="14%">Name of Person from <BR>Whom Acquired </TD>
      <TD align=center width="14%">Amount of <BR>Securities Acquired </TD>
      <TD align=center width="14%">Date of <BR>Payment </TD>
      <TD align=center width="14%">Nature of Payment <BR></TD></TR>
    <TR vAlign=top>
      <TD align=center><B>Common</B> <BR><BR><BR><BR><BR><BR></TD>
      <TD align=center width="14%"><B>March 1, 2006</B>
      <BR><BR><BR><BR><BR><BR></TD>
      <TD align=center width="14%"><B>Purchased from another account</B>
        <BR><B>managed by the same investment</B> <BR><B>manager. The prior
        account</B> <BR><B>purchased the shares on</B> <BR><B>February 16, 2006
        through a</B> <BR><B>private placement directly from</B> <BR><B>the
        company.</B> </TD>
      <TD align=center width="14%"><B>Passport Master</B> <BR><B>Fund, LP</B>
        <BR><BR><BR><BR><BR></TD>
      <TD align=center width="14%"><B>375,000</B> <BR><BR><BR><BR><BR><BR></TD>
      <TD align=center width="14%"><B>March 1,</B> <BR><B>2006</B>
        <BR><BR><BR><BR><BR></TD>
      <TD align=center width="14%"><B>Funds wire</B> <BR><B>transferred from</B>
        <BR><B>custodial account of</B> <BR><B>buyer to seller.</B>
    <BR><BR><BR></TD></TR></TABLE></DIV>
  <P align=justify>INSTRUCTIONS: </P>
  <P align=center><strong>TABLE II &#150; SECURITIES SOLD DURING THE PAST 3 MONTHS</strong>
    <BR>
    Furnish
  the information as to all securities of the issuer sold during the past 3 months
  by the person for whose account the securities are to be sold. </P>
  <DIV>
  <TABLE
  style="BORDER-COLOR: black; FONT-SIZE: 8pt; BORDER-COLLAPSE: collapse; "
  borderColor=#000000 cellSpacing=0 cellPadding=3 width="100%" border=1>
  
    <TR vAlign=top>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=center>Name and Address
        of Seller </TD>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=center
        width="20%">Title of Securities Sold </TD>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=center width="20%">Date
        of Sale </TD>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=center
        width="20%">Amount of Securities Sold </TD>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=center
        width="20%">Gross Proceeds </TD></TR>
    <TR>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=center
      >&nbsp;</TD>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=center width="20%"
      >&nbsp;</TD>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=center width="20%"
      >&nbsp;</TD>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=center width="20%"
      >&nbsp;</TD>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=center width="20%"
      >&nbsp;</TD></TR></TABLE></DIV><BR>
  <TABLE
  style="BORDER-COLOR: black; FONT-SIZE: 10pt; BORDER-COLLAPSE: collapse; "
  cellSpacing=0 cellPadding=0 width="100%" border=0>
  
    <TR vAlign=top>
      <TD align=left>Instructions: </TD>
      <TD align=left width="2%"  >&nbsp;</TD>
      <TD align=left width="49%">Attention: </TD></TR>
    <TR vAlign=top>
      <TD align=left>
        <P align=justify>See the definition of &#147;person&#148; in paragraph (a) of Rule
        144. Information is to be given only as To the person for whose account
        the securities are to be sold but also as to all other persons Included in
        that definition. In addition, information shall be given as to sales by
        all persons Whose sales are required by paragraph (e) of Rule 144 to be
        aggregated with sales for the Account of the person filing this notice.
        </P></TD>
      <TD align=left width="2%"  >
        <P align=justify>&nbsp;</P></TD>
      <TD align=left width="49%">
        <P align=justify>The Person for whose account the securities to which this
        notice relates are to be sold hereby represents by signing this notice
        that he does not know any material adverse information in regard to the
        current and prospective operations of the issuer of the securities to be
        sold which has not been publicly disclosed. </P></TD></TR></TABLE><BR>
  <TABLE
  style="BORDER-COLOR: black; FONT-SIZE: 10pt; BORDER-COLLAPSE: collapse; "
  cellSpacing=0 cellPadding=0 width="100%" border=0>
  
    <TR vAlign=top>
      <TD width="5%"  >&nbsp;</TD>
      <TD align=left>&nbsp; </TD>
      <TD align=left width="5%"  >&nbsp;</TD>
      <TD align=left width="47%">PASSPORT MATERIALS MASTER FUND, LP </TD></TR>
    <TR vAlign=top>
      <TD width="5%" >&nbsp;</TD>
      <TD align=left>&nbsp; </TD>
      <TD align=left width="5%"  >&nbsp;</TD>
      <TD align=left width="47%">By: PASSPORT ADVISORS, LP </TD></TR>
    <TR vAlign=top>
      <TD width="5%" >&nbsp;</TD>
      <TD align=left>&nbsp; </TD>
      <TD align=left width="5%"  >&nbsp;</TD>
      <TD align=left width="47%">As General Partner </TD></TR>
    <TR>
      <TD width="5%" >&nbsp;</TD>
      <TD>&nbsp; </TD>
      <TD width="5%"  >&nbsp;</TD>
      <TD width="47%">&nbsp; </TD></TR>
    <TR vAlign=top>
      <TD width="5%" >&nbsp;</TD>
      <TD align=left>&nbsp; </TD>
      <TD align=left width="5%"  >&nbsp;</TD>
      <TD align=left width="47%">By: PASSPORT HOLDINGS, LLC </TD></TR>
    <TR vAlign=top>
      <TD width="5%" >&nbsp;</TD>
      <TD align=left>&nbsp; </TD>
      <TD align=left width="5%"  >&nbsp;</TD>
      <TD align=left width="47%">As General Partner </TD></TR>
    <TR vAlign=top>
      <TD width="5%" >&nbsp;</TD>
      <TD align=left>September 26, 2007 </TD>
      <TD align=left width="5%"  >&nbsp;</TD>
      <TD align=left width="47%">&nbsp; </TD></TR>
    <TR vAlign=top>
      <TD width="5%" >&nbsp;</TD>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=left>&nbsp; </TD>
      <TD align=left width="5%"  >&nbsp;</TD>
      <TD align=left width="47%">By: Passport CAPITAL, LLC </TD></TR>
    <TR vAlign=top>
      <TD width="5%" >&nbsp;</TD>
      <TD align=left>DATE OF NOTICE </TD>
      <TD align=left width="5%"  >&nbsp;</TD>
      <TD align=left width="47%">As Managing Member </TD></TR>
    <TR>
      <TD width="5%" >&nbsp;</TD>
      <TD>&nbsp; </TD>
      <TD width="5%"  >&nbsp;</TD>
      <TD width="47%">&nbsp; </TD></TR>
    <TR vAlign=top>
      <TD width="5%" >&nbsp;</TD>
      <TD align=left>&nbsp; </TD>
      <TD align=left width="5%"  >&nbsp;</TD>
      <TD style="BORDER-BOTTOM: #000000 1px solid" align=left width="47%">By:
        /S/ John H. Burbank III </TD></TR>
    <TR vAlign=top>
      <TD width="5%" >&nbsp;</TD>
      <TD align=left>&nbsp; </TD>
      <TD align=left width="5%"  >&nbsp;</TD>
      <TD align=left width="47%">Managing Member </TD></TR></TABLE>
  <P align=justify>The notice shall be signed by the person for whose account the
  securities are to be sold. At least one copy of the notice shall be manually
  signed. Any copies not manually signed shall bear typed or printed signatures.
  </P>
  <P align=right>2 </P>
  <HR align=center width="100%" color=black noShade SIZE=5>
  
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metadata_documents: [{"type": "144", "sequence": "1", "filename": "form144.htm", "description": "FORM 144", "secsgml_size_bytes": 13276}]
text: Filed by Automated Filing Services Inc. (604) 609-0244 - Passport Materials Master Fund, LP - Form 144
  UNITEDSTATES
  SECURITIESAND EXCHANGE
  COMMISSION
  Washington,
  D.C. 20549
  OMB APPROVAL
  OMB Number: 3235-0101
  Expires: December 31,
  2009
  Estimated average burden
  hours per response. . . . . . 2.00
  FORM
  144
  NOTICE
  OF
  PROPOSED
  SALE
  OF
  SECURITIES
  PURSUANT
  TO RULE 144
  UNDER
  THE
  SECURITIES
  ACT OF 1933
  ATTENTION
  : Transmit for filing three copies of this form
  concurrently with either placing an order with a
  broker to execute sale or
  executing a sale directly with a market maker.
  (Print or Type Responses)
  1. NAME OF ISSUER (please type or print)
  Metalline Mining Co
  2.IRS IDENT NO
  91-1766677
  (c) SEC File No
  0-27667
  TELEPHONE NUMBER
  208-665-2002
  ADDRESS OF ISSUEER STREET CITY
        STATE ZIP CODE
  1330 E. Margaret Ave.
  Coeur D Alene
  ID
  83815
  2(a) NAME OF PERSON FOR WHOSE ACCOUNT
  THE
        SECURITIES ARE TO BE SOLD
  Passport Materials Master Fund, LP
  (b) IRS IDENT NO
  98-0484269
  (c) RELATIONSHIP TO ISSUER
  N/A
  (d) ADDRESS
  c/o Passport Management, LLC
  30 Hotaling Place, Ste 300
  San Francisco, CA 94111
  3(a)
  Title of the Class of
  Securities To Be
  Sold
  (b)
  Name and Address of Each
  Broker
        Through Whom the
  Securities are to be Offered or
  Each Market Maker
        who is
  Acquiring the Securities
  SEC
  USE
  ONLY
  Broker-
  Dealer
  File
  Number
  (c)
  Number of Shares
  or Other Units To
  Be Sold
  (d)
  Aggregate Market
  Value
  (e)
  Number of Shares
  or Other Units
  Outstanding
  (f)
  Approximate Date
  of Sale
  (g)
  Name of Each
  Securities
  Exchange
  Common
  UBS
  677 Washington Blvd
  Stamford, CT 06901
  15,000
  44,250
  38,728,603
  Sept 27, 2007
  AMEX
  INSTRUCTIONS:
  1
  TABLE 1 – SECURITIES TO BE SOLD
  Furnish the following
  information with respect to the acquisition of the securities to be sold
  And
  with respect to the payment of all or any part of the purchase price or other
  consideration therefore:
  Title of the Class
  Date you Acquired
  Nature of Acquisition Transaction
  Name of Person from
  Whom Acquired
  Amount of
  Securities Acquired
  Date of
  Payment
  Nature of Payment
  Common
  March 1, 2006
  Purchased from another account
  managed by the same investment
  manager. The prior
        account
  purchased the shares on
  February 16, 2006
        through a
  private placement directly from
  the
        company.
  Passport Master
  Fund, LP
  375,000
  March 1,
  2006
  Funds wire
  transferred from
  custodial account of
  buyer to seller.
  INSTRUCTIONS:
  TABLE II – SECURITIES SOLD DURING THE PAST 3 MONTHS
  Furnish
  the information as to all securities of the issuer sold during the past 3 months
  by the person for whose account the securities are to be sold.
  Name and Address
        of Seller
  Title of Securities Sold
  Date
        of Sale
  Amount of Securities Sold
  Gross Proceeds
  Instructions:
  Attention:
  See the definition of "person" in paragraph (a) of Rule
        144. Information is to be given only as To the person for whose account
        the securities are to be sold but also as to all other persons Included in
        that definition. In addition, information shall be given as to sales by
        all persons Whose sales are required by paragraph (e) of Rule 144 to be
        aggregated with sales for the Account of the person filing this notice.
  The Person for whose account the securities to which this
        notice relates are to be sold hereby represents by signing this notice
        that he does not know any material adverse information in regard to the
        current and prospective operations of the issuer of the securities to be
        sold which has not been publicly disclosed.
  PASSPORT MATERIALS MASTER FUND, LP
  By: PASSPORT ADVISORS, LP
  As General Partner
  By: PASSPORT HOLDINGS, LLC
  As General Partner
  September 26, 2007
  By: Passport CAPITAL, LLC
  DATE OF NOTICE
  As Managing Member
  By:
        /S/ John H. Burbank III
  Managing Member
  The notice shall be signed by the person for whose account the
  securities are to be sold. At least one copy of the notice shall be manually
  signed. Any copies not manually signed shall bear typed or printed signatures.
  2