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Geological Survey research 1970, Chapter D
Water Resources Division, U.S. Geological Survey
1970, Professional Paper 700-D
This collection of 45 short papers is the third published chapter of "Geological Survey Research 1970." The papers report on scientific and economic results of current work by members of the Geologic, Water Resources, and Topographic Divisions of the U.S. Geological Survey.Chapter A, to be published later in the year,...
Ground-water aspects of the lower Henrys Fork region, eastern Idaho
E. G. Crosthwaite, Maurice John Mundorff, Eugene H. Walker
1970, Water Supply Paper 1879-C
The lower Henrys Fork region in eastern Idaho includes the plains and low benches between Ashton and the junction of Henrys Fork and Snake River. The northwestern and western parts of the area are part of the Snake River basalt plain. The central part of the area is occupied by...
Gold occurrences near Jefferson, South Carolina
James P. Minard
1970, Open-File Report 70-374
Gold, possibly in economic amounts, is present in the Jefferson area, South Carolina. It occurs in Slate Belt rocks of Paleozoic age, in Coastal Plain sediments of Cretaceous age, and in alluvial deposits of Quaternary age. The area is near the inner edge of the Coastal Plain province and includes...
Lead-, zinc-, and barite-bearing samples from the western Brooks Range, Alaska, with a section on petrography and mineralogy
Irvin L. Tailleur, Ray Wehr, G. Donald Eberlein
1970, Open-File Report 70-319
Concentrations of base metal and barite of potential economic significance may be present in the western De Long Mountains, northwestern Alaska. Greater than 2 percent lead and 1 percent zinc were detected semiquantitatively in sulfide-bearing hand samples from one locality, and more than 10 percent lead was analyzed in a...
Digital computer terrain mapping from multispectral data, and evaluation of proposed Earth Resources Technology Satellite (ERTS) data channels, Yellowstone National Park preliminary report
Harry Wynn Smedes, K. L. Pierce, Marc G. Tanguay, R.M. Hoffer
1970, Open-File Report 70-307
Digital computer processing of 12 wavelength bands of visible and reflective infrared scanner data has resulted in successful automatic computer mapping of eight terrain units in a Yellowstone National Park test site. Target areas in the scene were selected for training the computer. Statistical parameters of radiance such as mean,...