Relief shown by shading and spot heights. Map generated using 63 USGS indexed 7.5 quadrangles. "Produced and distributed to Depository libraries by the Geological Survey on USGS Shipping list no.: 2004-01-TQ." 1 map: col.; 97 x 68 cm., on sheet 104 x 73 cm. This map is in the public domain. Please attribute access and use of this digitized map to the Stephen S. Clark Library, University of Michigan Library.