Geological Survey. Water Resources Division (U.S.)
Found in 4 Collections and/or Records:
Topographical map shows the area around Blacksburg, Virginia. The reverse discusses the geology of the region.
Map shows coal fields and producing districts in Illinois.
Collection is a group of miscellaneous topographical maps from various regions of Virginia. Maps come from several different sets, published in different decades.
The collection contains a selection of Donald S. Wallace's professional correspondence, U.S. Geological Survey Reports, Virginia state agency and local reports, and photographs from sites around the state.