Map showing bedrock-surface topography of the Toledo area, northwestern Ohio and southeastern Michigan / U.S. Department of the Interior, U.S. Geological Survey ; by Gerald L. Shideler, Byron D. Stone, and Glenn E. Larsen ; prepared in cooperation with the Ohio Division of Geological Survey and the Michigan Geological Survey Division
Series Titles:
Miscellaneous field studies ; map MF-2309 Miscellaneous field studies ; map MF-2309.
Variant Titles:
Title from margin of envelope: Bedrock-surface topography, NW Ohio and SE Michigan