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Page 6135, results 153351 - 153375

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Geology and ore deposits of the Rico District, Colorado
Edwin Thor McKnight
1974, Professional Paper 723
The Rico district is in the Dolores River valley at the east end of Dolores County in southwestern Colorado. Mining has been actively carried on in the district since 1879. In the early days, silver was the chief product and was mined largely from Newman Hill southeast of the town...
The Sahelian Zone Remote Sensing Seminar/Workshop at Bamako, Mali, West Africa, April 17-28, 1973
Maurice J. Grolier, Raymond W. Fary, Stephen J. Gawarecki
1974, Open-File Report 74-196
The Sahelian Zone Remote Sensing Seminar/Workshop held in Bamako, Mali, April 17-28, 1973. The Government of Mali was host. The Agency for International Development sponsored and funded, and the U. S. Geological Survey prepared and presented the program. Thirteen countries and seven commissions were invited. Thirty-five scientists and management personnel...
Summary appraisals of the nation's ground-water resources – Ohio region
Richard M. Bloyd Jr.
1974, Professional Paper 813-A
Ground water in the Ohio Region is a large, important, and manageable resource that should have a significant role in regional water development. On the basis of a comparison of ground-water withdrawals with estimated ground-water recharge, it appears that the ground-water resources of the Ohio Region probably will not be used...
Map showing potential sources of gravel and crushed-rock aggregate in the greater Denver area, Front Range Urban Corridor, Colorado
D. E. Trimble, H. R. Fitch
1974, IMAP 856-A
Gravel and (or) crushed-rock aggregates are essential commodities for urban development, but supplies in many places are exhausted or otherwise eliminated by urban growth. Gravel resources may be exhausted by exploitation, covered by urban spread, or eliminated from production by zoning. this conflict between a growing need and a progressively...
Nonglacial origin for conglomerate beds in the Wajid Sandstone of Saudi Arabia
Donald G. Hadley, Dwight L. Schmidt
1974, Open-File Report 74-21
Conglomerate beds containing sparse boulders in the upper part of the Wajid Sandstone of Permian or older(?) age have been interpreted as Gondwana glacial deposits (Helal, 1965). These beds, exposed in the Bani Khatmah area near the southeastern edge of the Arabian Shield of Saudi Arabia, contain normally graded polymictic...