The 3 topographical maps document geological fieldwork completed by August Foerste in Ohio, 1914. Maps include annotations indicating location and age of geological layers (Ordovician), place names, a ...
You must have JavaScript enabled to view this content. A zoomable version of this map is available on the desktop site Explore the 1914 Wonderground Underground map ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results