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Page 6058, results 151426 - 151450

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Botanical Evidence of the Modern History of Nisqually Glacier, Washington
Robert S. Sigafoos, E. L. Hendricks
1961, Professional Paper 387-A
A knowledge of the areas once occupied by mountain glaciers reveals at least part of the past behavior of these glaciers. From this behavior, inferences of past climate can be drawn. The maximum advance of Nisqually Glacier in the last thousand years was located, and retreat from this point is...
Factors controlling the size and shape of stream channels in coarse noncohesive sands
M. Gordon Wolman, Lucien M. Brush Jr.
1961, Professional Paper 282-G
The size and shape of equilibrium channels in uniform, noncohesive sands, 0.67 mm and 2.0 mm in diameter, were studied experimentally in a laboratory flume 52 feet long in which discharge, slope, sediment load, and bed and bank material could be varied independently. For each run a straight trapezoidal channel...
Drainage basins, channels, and flow characteristics of selected streams in central Pennsylvania
Lucien M. Brush Jr.
1961, Professional Paper 282-F
The hydraulic, basin, and geologic characteristics of 16 selected streams in central Pennsylvania were measured for the purpose of studying the relations among these general characteristics and their process of development. The basic parameters which were measured include bankfull width and depth, channel slope, bed material size and shape, length...
Dacitic ash-flow sheet near Superior and Globe, Arizona
Donald W. Peterson
1961, Open-File Report 61-119
Remnants of a dacitic ash-flow sheet near Globe, Miama, and Superia, Arizona cover about 100 square miles; before erosion the area covered by the sheet was at least 400 square miles and perhaps as much as 1,500 square miles. Its maximum thickness is about 2,000 feet, its average thickness is...
Potential water power of Lake Chakachamna, Alaska
Bruce Lawellin Jackson
1961, Open-File Report 61-74
Lake Chakachamna, in view of its area, altitude, and location on a region of high precipitation and runoff, has a large potential power value. The outflow from the lake, based on limited streamflow records varies from less than 60 cfs to well over 15,000 cfs, with an annual flow in...
Geology of uranium in the Chadron area, Nebraska and South Dakota
Robert Jacob Dunham
1961, Open-File Report 61-42
The Chadron area covers 375 square miles about 25 miles southeast of the Black Hills. Recurrent mild tectonic activity and erosion on the Chadron arch, a compound anticlinal uplift of regional extent, exposed 1900 feet of Upper Cretaceous rocks, mostly marine shale containing pyrite and organic matter, and 600 feet...
Gravity survey in the eastern Snake River Plain, Idaho — A progress report
Thomas R. LaFehr
1961, Open-File Report 62-74
A regional gravity survey in the eastern Snake River Plain was conducted in the early summer of 1961. Seven hundred and seven gravity stations were established between latitudes 42°15'N and 44°30'N between longitudes 111°30'W and 114°30'W. Three hundred and twenty-five of these stations were located in 2,700 square miles of...
Structure and stratigraphy of the Pybus-Gambier area, Alaska
Robert Ahlberg Loney
1961, Open-File Report 61-89
The Pybus-Gambier area comprises about 215 square miles of uninhabited land on the southeastern coast of Admiralty Island, southeastern Alaska. The section consists of more than 20,000 feet of intensely folded sedimentary, volcanic, and metamorphic rocks, all probably of marine origin, ranging in age from Silurian(?) to Early Cretaceous, unconformably...
Geochemistry of the Frenchy Incline uranium deposit, San Miguel County, Colorado
Alfred T. Miesch
1961, Open-File Report 61-98
The Frenchy Incline uranium deposit is in the Salt Wash member of the Morrison formation, on the central part of the Colorado Plateau, and consists of sandstone and mudstone that have been impregnated with uranium and vanadium minerals in addition to other constituents. The compositions of the deposit and its...
Gravity survey in the western Snake River Plain, Idaho-a progress report
David P. Hill, Jimmy J. Jacobson
1961, Open-File Report 61-63
From June 24 through August 16, 1960, a regional gravity survey was made in 3,600 square miles of the Snake River Plain in southwestern Idaho. Six hundred and seventy-two gravity stations were established between latitudes 42?30N and 43?30N and between longitudes 115?15W and 116?15W at an average density of one...