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Page 5722, results 143026 - 143050

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Preliminary results of induced polarization-resistivity surveys in the Northgate district, Colorado
Gordon Robert Francis Johnson
1971, Open-File Report 71-159
Induced polarization (I.P.) and resistivity surveys were made at selected locations in the Northgate district, Jackson County, Colorado. The objectives of the study were (1) to determine the feasibility of detecting and delineating pyrite-altered zones adjacent to fluorsparmineralized veins, and (2) to locate buried or obscured extensions of these fluorspar...
Floods on Yahara River, Lake Mendota to Lake Kegonsa, Dane County, Wisconsin, 1971
Barry K. Holmstrom, Carl L. Lawrence
1971, Open-File Report 72-168
The profile and an approximate outline of the flooded area for the regional (100-year) flood has been determined for a 21.3-mile reach of the Yahara River, Dane County, Wisconsin, from State Highway 113 at the head of Lake Mendota downstream to the dam at the outlet of Lake Kegonsa. The...
A list of references on lead isotope geochemistry, 1967-1969 (with an addendum to the list through 1966)
Bruce R. Doe
1971, Open-File Report 71-89
This bibliography was constructed to be as complete as possible for terminal papers containing new data relative to the geochemical applications of: Common lead U-The-Pb isotopic dating Pb-α Pb210, Pb212, Pb214 No effort was made for completeness of: Annual reports, Yearbooks, etc. Review papers although many are included. Abstracts and theses are omitted....
Mathematical ground-water model of Indian Wells Valley, California
R. M. Bloyd Jr., S. G. Robson
1971, Open-File Report 72-41
A mathematical model of the Indian Wells Valley ground-water basin was developed and verified. The alternating-direction implicit method was used to compute the mathematical solution. It was assumed that there are only two aquifers in the valley, one being deep and the other shallow. Where the shallow aquifer occurs, the...
Hydrology of the Rosebud Indian Reservation, South Dakota
M. J. Ellis, James H. Ficken, D. G. Adolphson
1971, Hydrologic Atlas 355
An investigation of the geology and ground-water resources of the Rosebud Indian Reservation, South Dakota, was made at the request of the Bureau of Indian Affairs as part of the U.S. Department of Interior's program for the development of the Missouri River basin.  Originally, the Reservation included all of Mellette,...