MAPS - Local and US
MAPS - Global
MAPS - Historic
The U.S. Geological Survey (USGS) has publicly released more than 161,000 digitally scanned historical maps spanning in excess of 130 years and covering the conterminous lower 48 states.
Try these mapping and data sources:
There are over 250,000 maps in the print collection!
The collection focus/strengths are:
USGS topographic maps
USGS geologic maps
Ohio, Kentucky, and Indiana survey maps
The Geology-Mathematics-Physics Library (240 Braunstein Hall) can help. We have
University of Cincinnati Libraries
PO Box 210033 Cincinnati, Ohio 45221-0033