digital conservancy

Washington A 24k USGS Topo Map (43.91Mb image/jpeg)

Washington A 24k USGS DRG Topo Map

Spong, Ronald C

Map

Annotated by: Ronald C. Spong 1992. 24k USGS topo map containing dye input points, dye vectors and spring where dye was detected. Positive trace from Buckboard Sink to Schopper's Spring and Cache Springs. Positive trace from Bullwerk Sink to Schopper's Spring and Cache Springs. Positive trace from Moonglow Sink to Schopper's Spring and Cache Springs. Positive trace from Pipeline Drain to Schopper's Spring and Cache Springs. Positive trace from Oak Hill Drain to Cache Springs. Positive trace from Cache River Cave to Rally Springs. Negative trace from Hob Knob Drain to spring complex. Indeterminant trace from Battery Drain to Bat Spring. Other miscellaneous springs documented.

Spong, Ronald C. (1992). Washington A 24k USGS DRG Topo Map. Retrieved from the University of Minnesota Digital Conservancy, http://hdl.handle.net/11299/184860.