Evidence of Baraga Airport on 1947 Aeronautical Chart:
http://www.airfields-freeman.com/MI/Airfields_MI_N_htm_749cdf5d.jpg
image from: http://www.airfields-freeman.com/MI/Airfields_MI_N.htm

This can be evidence that this airfield is officially disused.
(Anecdotal: While the FAA is the regulatory agency governing airspace usage, the maintinance of the runway suggests this runway is still unofficially active, or is being prepped for future use?)