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Page 5950, results 148726 - 148750

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Water resources in the vicinity of municipalities on the east-central Mesabi Iron Range, northeastern Minnesota
R. D. Cotter, H. L. Young, L. R. Petri, C. H. Prior
1965, Water Supply Paper 1759-E
Additional supplies of water are available near the municipalities on the east-central Mesabi Iron Range. Both ground water and surface water offer good potential supplies. For the ground-water supplies, the most productive aquifers are the Biwabik Iron Formation and the stratified glacial drift. Surface-water supplies are variable. Streams in the...
Aeromagnetic map of parts of Marquette, Dickinson, Baraga, Alger, and Schoolcraft Counties, Michigan, and its geologic interpretation
J. E. Case, J. E. Gair
1965, Geophysical Investigations Map 467
The U. S. Geological Survey, in cooperation with the Geological Survey Division of the Michigan Department of Conservation, is conducting a comprehensive restudy of the iron-bearing districts of Michigan. The use of aeromagnetic data is one of the fastest and most reliable methods for outlining the areal distribution of magnetic...
Tectonic and igneous geology of the northern Shoshone Range, Nevada
James Gilluly, Olcott Gates, Donald Plouff, K. B. Ketner
1965, Professional Paper 465
Part of the northern Shoshone Range and its bordering valleys are shown in the Mount Lewis and Crescent Valley quadrangles of the U.S. Geological Survey's Topographic Atlas. A very small part of the Cortez Mountains extends into the Crescent Valley quadrangle and is also described....
Cenozoic climatic change and its cause
Warren Bell Hamilton
1965, Open-File Report 65-67
The widely accepted paleoclimatic concepts that the earth's climate has cooled gradually throughout Cenozoic times, and that the tropics have become narrower during the era, are invalidated by a global analysis of Cenozoic climatic changes. ...
Water resources in the vicinity of municipalities on the west-central Mesabi Iron Range, northeastern Minnesota
R. D. Cotter, H. L. Young, L. R. Petri, C. H. Prior
1965, Water Supply Paper 1759-C
Additional supplies of water are available near the municipalities or the west-central Mesabi Iron Range. The largest sources are the ground-water aquifers in the Biwabik Iron-Formation and the stratified glacial drift. Areas of stratified drift that probably have good water potential have been outlined. Surface-water supplies are negligible in the...