U.S. Geological Survey. U.S. Guide to U.S.G.S. Geologic and Hydrologic Maps. McLean, Virginia: Documents Index, 1983.
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sourcePreferred
U.S. Geological Survey. U.S. Guide to U.S.G.S. Geologic and Hydrologic Maps. McLean, Virginia: Documents Index, 1983.
license
identifier
2000041161
created
2001-07-26T22:18:11
license
modified
2007-03-03T09:50:55
2007-09-10T16:00:04
2007-12-18T14:57:47
title
U.S. Geological Survey. U.S. G ...... rginia: Documents Index, 1983.
shortTitle
USGS Geologic and Hydrologic Maps (1983)