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Page 5577, results 139401 - 139425

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Geology and mineral resources of central Antioquia Department (Zone IIA), Colombia
R.B. Hall, Jairo Alvarez A., Hector Rico H.
1973, Open-File Report 73-97
This report summarizes the geology of an area of some 6000 square kilometers in the northern part of the Central Cordillera of the Colombian Andes. The area, in north-central Department of Antioquia, was mapped between 1964 and 1968 as part of the Inventario Minero Nacional (IMN) project. Mineral resources are...
Index to water-quality data available from the U.S. Geological Survey in machine-readable form to December 31, 1972; Northeastern region
Charles R. Showen, Owen O. Williams
1973, Water-Resources Investigations Report 73-21
This report lists water quality stations operated by the U.S. Geological Survey for which data are available in machine-readable form. The data are the results of analyses of water samples and indicate the chemical and physical characteristics of surface and ground water. Samples of surface water were collected at designated...
Index of time-of-travel studies of the US Geological Survey
Charles W. Boning
1973, Water-Resources Investigations Report 73-34
This index identifies locations on streams where the U. S. Geological Survey has investigated the time of travel of a highly soluble material moving through a reach of stream channel. This index provides information only on the location of studied stream reaches; it contains no basic data. It does contain,...
Climatic factors related to land-use planning in the Puget Sound basin, Washington
B. L. Foxworthy, Donald Richardson
1973, IMAP 851-A
Climate is a basic part of the natural environment and exerts a strong influence on many of man's activities. In the Puget Sound basin especially, effective land-use planning requires consideration of climatic influences, for the climate differs significantly in the various parts of the area. However, climatic information may not...