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Page 6803, results 170051 - 170075

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Strategic graphite, a survey
Eugene N. Cameron, Paul L. Weis
1960, Bulletin 1082-E
Strategic graphite consists of certain grades of lump and flake graphite for which the United States is largely or entirely dependent on sources abroad. Lump graphite of high purity, necessary in the manufacture of carbon brushes, is imported from Ceylon, where it occurs in vein deposits. Flake graphite, obtained from...
Zones and zonal variations in welded ash flows
R. L. Smith
1960, Professional Paper 354-F
Welded tuffs are recognized as special parts of ash flows, other pyroclastic flows, or, more rarely, air-fall deposits. Ash flows may be emplaced at any temperature below a maximum eruption temperature. Those emplaced above a minimum welding temperature may show any and all degrees of welding and crystallization. ...
Floods of May 1959 in the Au Gres and Rifle River basins, Michigan
L.E. Stoimenoff
1960, Open-File Report 60-135
The floods of May 1959 in the Au Gres and Rifle River basins, Michigan, resulted from heavy rainfall during the night of May 19-20. Peak unit discharges for small drainage areas (less than about 15 square miles) were the highest ever measured in the Lower Peninsula of Michigan, and for...
Geology and ground-water resources of the Rawlins area, Carbon County, Wyoming
Delmar W. Berry
1960, Water Supply Paper 1458
The Rawlins area in west-central Carbon County, south-central Wyoming includes approximately 634 square miles of plains and valleys grading into relatively rugged uplifts. The climate is characterized by low precipitation, rapid evaporation, and a wide range of temperature. Railroading and ranching are the principal occupations in the area. The exposed...
The physiographic provinces of Alaska
Clyde Wahrhaftig
1960, Open-File Report 60-146
The wealth of recently accumulated geographic information on Alaska has made desirable a new classification of the state into physiographic divisions. Most of Alaska is now covered by topographic maps of high quality at scales of 1:63,360 and 1:250,000, prepared by multiplex methods from aerial photography. A classification made now...
Availability of ground water at the border stations at Laurier and Ferry, Washington
Kenneth Lyle Walters
1960, Circular 422
In the Laurier area, Washington, the Kettle River has cut into crystalline rocks in the deepest part of the valley. Sand and gravel fill were deposited in the valley during Pleistocene time by melt water from glaciers, and subsequent erosion and alluviation formed three terrace levels. The highest level, on...