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Page 5880, results 146976 - 147000

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Preliminary geologic map of Ellipse II-6-1 and vicinity
M. J. Grolier
1967, Open-File Report 68-114
Site II P-6, which is in the southwestern part of Mare Tranquillitatis, is a mare area crossed by ridges and rays. Ellipse II-6-1 is north of the equator in the southwestern quadrant of the site. ...
Surface faults on Montague Island associated with the 1964 Alaska earthquake
George Plafter
1967, Professional Paper 543-G
Two reverse faults on southwestern Montague Island in Prince William Sound were reactivated during the earthquake of March 27, 1964. New fault scarps, fissures, cracks, and flexures appeared in bedrock and unconsolidated surficial deposits along or near the fault traces. Average strike of the faults is between N. 37° E....
Geology and hydrology between Lake McMillan and Carlsbad Springs, Eddy County, New Mexico
Edward Riley Cox
1967, Water Supply Paper 1828
The hydrology of the Pecos River valley between Lake McMillan and Carlsbad Springs, Eddy County, N. Mex., is influenced by facies changes in rocks of Permian age. Water stored for irrigation leaks from Lake McMillan into evaporite rocks, principally gypsum, of the Seven Rivers Formation and from Lake Avalon into...
A comparison of methods of estimating potential evapotranspiration from climatological data in arid and subhumid environments
R.W. Cruff, T. H. Thompson
1967, Water Supply Paper 1839-M
This study compared potential evapotranspiration, computed from climatological data by each of six empirical methods, with pan evaporation adjusted to equivalent lake evaporation by regional coefficients. The six methods tested were the Thornthwaite, U.S. Weather Bureau (a modification of the Permian method), Lowry-Johnson, Blaney-Criddle, Lane, and Hamon methods. The test...
Measurement of peak discharge at dams by indirect methods
Harry Hulsing
1967, Techniques of Water-Resources Investigations 03-A5
This chapter describes procedures for measuring peak discharges using dams, weirs, and embankments. Field and office procedures limited to this method are described. Discharge coefficients and formulas are given for three general classes of weirs-sharp-crested, broad-crested, and round-crested-and for highway embankments and weirs of unusual shape. The effects of...
Ground-water levels in observation wells in Oklahoma, 1965-66
D.L. Hart Jr.
1967, Open-File Report 67-285
The investigation of the ground-water resources of Oklahoma by the U.S. Geological Survey in cooperation with the Oklahoma Water Resources Board includes a continuing program to collect records of water levels in selected observation wells on a systematic basis. These water-level records: (1) provide an index to available ground-water supplies;...