Geological Survey (U.S.)"April 1, 1925." "Order maps by names printed in red. No others are published." Text on versoImprint: Washington, D.C. : U.S. Geological Survey, [1925]Dimensions: 47 x 41 cmJPEGG4091.A2 1925 .G46engGeological Survey (U.S.)PublicGeologyIndex to topographic maps and geologic folios : IndianaMapsIndiana1925Indiana University