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Page 5478, results 136926 - 136950

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Land-use classification of the greater Denver area, Front Range Urban Corridor, Colorado
L. B. Driscoll
1975, IMAP 856-E
The Greater Denver area, in the Front Range Urban Corridor of Colorado, is an area of rapid population growth and expanding land development. At present no overall land-use policy exists for this area, although man individuals and groups are concerned about environmental, economic, and social stresses caused by population pressures....
Heavy mineral prospecting in Pakistan
Karl W. Stauffer, James Alfred Calkins
1975, Open-File Report 75-359
Heavy-mineral prospecting is a method of tracing potential ore minerals to their source by systematically examining the heavy minerals of stream sands. The heavy minerals are partially concentrated in the field by panning. In the laboratory the heavy minerals are further concentrated by floating off the quartz and feldspar in...
Techniques for water demand analysis and forecasting: Puerto Rico, a case study
E. D. Attanasi, E.R. Close, M. A. Lopez
1975, Open-File Report 75-94
The rapid economic growth of the Commonwealth-of Puerto Rico since 1947 has brought public pressure on Government agencies for rapid development of public water supply and waste treatment facilities. Since 1945 the Puerto Rico Aqueduct and Sewer Authority has had the responsibility for planning, developing and operating water supply and...
Structure of continental margin off Mid-Atlantic states (Baltimore Canyon Trough)
John Stevens Schlee, John Charles Behrendt, Robert E. Mattick, P. T. Taylor
1975, Open-File Report 75-60
Increasing interest in the Atlantic continental margin as a future petroleum province has resulted in several recent papers (Emmerich, 1974; Burk and Drake, 1974) that attempt to summarize the structure and stratigraphic framework of this area. Most papers tend to portray the margin as a wedge of Mesozoic and Cenozoic...
Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Teller Quadrangle, Alaska
Edward Huntington Cobb
1975, Open-File Report 75-587
This summary of references is designed to aid in library research on metallic and nonmetallic (other than mineral fuels and construction materials) mineral occurrences in the Teller quadrangle, Alaska. All references to published and open-filed reports of the Geological Survey, to most published and open-filed reports of the U.S. Bureau...
Lakes in the greater Denver area, Front Range urban corridor, Colorado
T. W. Danielson
1975, IMAP 856-B
The many lakes in Colorado's semiarid Front Range Urban Corridor have an especially high value. In the past they were used primarily to store water for irrigation and domestic uses. Some were used for recreation. Today, rapid suburban development in the Front Range Urban Corridor is accompanied by a shift of the...
Hydrology for land-use planning: The Hillside area, Anchorage, Alaska
Larry L. Dearborn, William W. Barnwell
1975, Open-File Report 75-105
Rapid residential growth of the Hillside area, Anchorage, Alaska, may cause depletion of aquifers and a change in quality of water resources as a result of extensive development of small-lot tracts. Ground-water yields are low and may be locally inadequate for single family requirements where wells produce from bedrock in...