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The Black Canyon of the Gunnison: Today and Yesterday
Wallace R. Hansen
1965, Bulletin 1191
Since the early visit of Captain John William Gunnison in the middle of the last century, the Black Canyon of the Gunnison has stirred mixed apprehension and wonder in the hearts of its viewers. It ranks high among the more awesome gorges of North America. Many great western canyons are as...
Ground-water levels in observation wells in Oklahoma, 1963-64
P.R. Wood
1965, Open-File Report 65-184
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;...