TY - RPRT TI - Nesting and migration areas of birds of the U.S. Great Lakes AU - William C. Scharf AU - M.L. Chamberlain AU - T.C. Erdman AU - G.W. Shugart PY - 1979 UR - https://pubs.usgs.gov/publication/fwsobs77_02 ID - fwsobs77_02 ER -