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Floods in the summer of 1971 in south-central Alaska
Robert D. Lamke
1972, Open-File Report 72-215
Floods and high water occurred throughout the summer of 1971 in south-central Alaska. Snow cover, 150 percent of average, in the mountains on May 1 caused local snowmelt floods from mid-May to mid-July. The peak discharge of 265,000 cfs (cubic feet per second) on July 15 at Copper River near...
Flood surveys along proposed TAPS route, Alaska, July 1971
Joseph M. Childers
1972, Open-File Report 73-45
The U.S. Geological Survey has a threefold responsibility along the proposed route of the Trans-Alaska Pipeline System (TAPS): to investigate possible hydrologic hazards to the pipeline, to investigate possible impacts of the pipeline system on water resources, and to develop a better understanding of Arctic hydrology. One of the major...
Benefaction studies on the Hasan Celebi magnetite deposit, Turkey
Jean W. Pressler, Ali Akar
1972, Open-File Report 72-303
Bench-scale and semicontinuous tests were performed on surface, trench, and diamond drill core samples from the Hasan Celebi low-grade magnetite deposit to determine the optimum benefication procedures utilizing wet magnetic separation techniques. Composite core samples typically contain about 27 percent recoverable magnetite and require crushing and grinding through 1 mm...
Geology of the Konakpinar--Sarica area, Sivas Province, Turkey
Patrick James Barosh, Salim Sermin, Ilker Gencel, Metin Sengun, Frank Ekren
1972, Open-File Report 72-25
The junction of several major structures and stratigraphic sequences is in the Konakpinar-Sarica area of central Turkey. Most of the area is underlain by Upper Jurassic to Cretaceous limeston and siltstone, early Tertiary sedimentary rock, and remnants of younger volcanic rocks and lacustrine deposits. The northeastern part of the area,...
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...
Reconnaissance engineering geology of the Skagway area, Alaska, with emphasis on evaluation of earthquake and other geologic hazards
Lynn A. Yehle, Richard Walter Lemke
1972, Open-File Report 72-454
A program to study the engineering geology of most of the larger Alaska coastal communities and to evaluate their earthquake and other geologic hazards was started promptly after the 1964 Alaska earthquake; this report is a product of that program. Field-study methods were largely reconnaissance, and thus the interpretations in...