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Publication Extents

Not all publications have extents, not all extents are completely accurate
Ground-water levels in observation wells in Oklahoma, 1965-66
D.L. Hart Jr.
1967, Open-File Report 67-285
The investigation of the ground-water resources of Oklahoma by the U.S. Geological Survey in cooperation with the Oklahoma Water Resources Board includes a continuing program to collect records of water levels in selected observation wells on a systematic basis. These water-level records: (1) provide an index to available ground-water supplies;...
Map of southeastern Maine showing heavy metals in stream sediments
Edwin V. Post, William L. Lehmbeck, William H. Dennen, Gary A. Nowlan
1967, Miscellaneous Field Studies Map 301
This map presents the initial results of a geochemical reconnaissance of stream sediment in southeastern Maine. Its purpose is to identify metal-rich areas that might be favorable for further detailed exploration. ...