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Page 5674, results 141826 - 141850

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Evaluation of yields of wells in consolidated rocks, Virginia to Maine
Dagfin John Cederstrom
1972, Water Supply Paper 2021
In the North Atlantic region, Virginia to Maine, yields of industrial and municipal wells are the most reliable indicators of the water-yielding potential of consolidated rocks. Generally, such wells represent efforts to develop a maximum supply of water, they are 350 to 500 feet deep, and they utilize 60 to...
The status of mineral resource information on the major land withdrawals of the Alaska Native Claims Settlement Act of 1971
Alaskan Geology Branch
1972, Open-File Report 72-394
This report is an analysis of the adequacy of the present level of geologic knowledge for making mineral resource potential evaluations of 126 federal land withdrawals made under the Alaska Native Claims Settlement Act. The withdrawals considered are Native village and regional deficiency areas (Sec. 11.A.3, ANCSA), classification and national...
Oil-shale assays on Grand Mesa, west-central Colorado
John R. Donnell
1972, Open-File Report 72-93
The attached diagram shows the Fischer assay histograms of oil shale from 4 core holes drilled on Grand Mesa. Core-hole locations are shown on-an insert map of Grand Mesa in the lower right corner of the diagram....
Aeromagnetic interpretation and mineral investigations in the Ezine, Canakkale-Karabiga, Marmara, and Kapidag areas of northwestern Turkey
Herbert Samuel Jacobson, F. Ozelci, Durmaz Yazgan, N. Hatay, Hamit Karahacioglu
1972, Open-File Report 72-187
Aeromagnetic surveys and mineral investigations are planned or in progress in ten areas of northwestern Turkey (fig. 1). This report reviews results obtained from August 1967 to January 1, 1968, through aeromagnetic interpretation and field investigations in four of the areas (Areas 2, 3,4, and 5). Aeromagnetic interpretation identified 27 prominent...
Aeromagnetic interpretation and mineral investigations in the Bolu, Canakkale-Karabiga, Demirkoy, Ezine, and Orhaneli areas of northwestern Turkey in 1968
Herbert Samuel Jacobson, Ural Tumer, Hamit Karahacioglu
1972, Open-File Report 72-188
This report reviews progress made during 1968 in the continuing Joint Haden Tetkik ve Arama Enstitusu (MSA)-U. S. Geological Survey (USGS) Mineral Exploration and Training Project, Subproject 2. Subproject 2 is concerned with aeromagnetic interpretation of MTA's aeromagnetic surveys, and ground investigations of selected aeromagnetic anomalies. This report includes new...
Geology of the Eymir iron mine, Edremit, Turkey
Herbert Samuel Jacobson, Erdogan Turet
1972, Open-File Report 72-189
The Eymir mine near Edremit on Turkey's Aegean coast (long 27?30'E.,1at 39?36'N.) was investigated as part of the Maden Tetkik ve Arama Enstitutsu (MTA)-U. S. Geological Survey (USGS) mineral exploration and training project, for the purpose of increasing the known mineral reserves. Geologic mapping of the mine area indicates that...
Water resources data for Michigan, water year 1971; Part 2, Water quality records
Water Resources Division, U.S. Geological Survey
1972, Water Data Report MI-71-2
Water resources data for the 1971 water year for Michigan include records of data for the chemical and physical characteristics of surface and ground waters. Data on the quality of surface water (chemical, temperature, and sediment) were collected from designated sampling sites at predetermined intervals such as once-daily, weekly, monthly...