124k Data download index map
GIS Data: 1:24,000 DEMs, DOQs and DRGs Available for Download
Simply click on a county to link to a large scale locator map of the county.
On this map, only the highlighted counties have data downloads available.
If you would like to search for data by Ohio code or quadrangle name please use the UO Map Library 1:24,000 GIS Data Search