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Page 5668, results 141676 - 141700

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Reconnaissance geologic map and geochemical analyses of stream-sediment and rock samples of the Anchorage A-6 quadrangle, Alaska
Sandra H. B. Clark, Martha E. Yount
1972, Miscellaneous Field Studies Map 351
A reconnaissance geologic map and analytical data for 70 stream-sediment samples and 34 rock samples for the Anchorage A-6 1:63,360 scale quadrangle are presented in this report, together with a statistical treatment of the geochemical data. The bedrock was mapped and samples collected during the summers of 1969, 1970, and...
Reconnaissance bedrock geologic map of the Chugach Mountains near Anchorage, Alaska
Sandra H. B. Clark
1972, Miscellaneous Field Studies Map 350
The area between Knik and Turnagain Arms east of Anchorage is underlain mostly by rocks that are part of an extensive arcuate belt of thick Mesozoic marine deposits that extend through the Chugach-Kenai-Kodiak Mountains. The two main units in this belt are the Jurassic (?) and Cretaceous Valdez (?) Group...
Preliminary geologic map of the northeastern part of the Tanana quadrangle, Alaska
Robert M. Chapman, Warren Yeend
1972, Miscellaneous Field Studies Map 342
Mapping is based on both ground observations and aerial observations from a helicopter, August 11-19 and September 1-5, 1970, and supplemented by interpretation from aerial photographs. Bedrock geology chiefly by R.M. Chapman, and surficial geology chiefly by W.E. Yeend....
Test-observation well near Odessa, Washington: description and preliminary results
Kenneth L. Walters, D.R. Cline, J. E. Luzier
1972, Open-File Report 72-441
The test-observation well drilled near Odessa, Wash., provides information on the area's aquifer characteristics which is not otherwise available from existing deep irrigation wells. The information is of value to the State of Washington Department of Ecology in its management decisions in this area where heavy ground-water withdrawals have resulted...
Test observation well near Almira, Washington: description and preliminary results
Kenneth L. Walters
1972, Open-File Report 72-440
A 750-foot test-observation well drilled bear Almira, Wash., is one of several drilled to date (1971) in selected areas if the State. The test wells provide information on ground-water conditions where large-scale pumping from wells is rapidly increasing or ids expected to increase, but where data available from existing wells...
Appraisal of shallow ground-water resources, Pueblo Army Depot, Colorado
Frank A. Welder, R. Theodore Hurr
1972, Open-File Report 72-447
The water supply for the Pueblo Army Depot, 15 miles wast of Pueblo, Colo., is obtained from wells that tap an aquifer in terrace alluvium. Withdrawals have resulted in a water-level decline of 27 feet, which adversely affects the discharge rate of individual wells. Furthermore, excessive pumpage has resulted in...
The hydraulic geometry of some Alaskan streams south of the Yukon River
William W. Emmett
1972, Open-File Report 72-108
Channel geometry surveys were conducted to determine bankfull stage, discharge, and other hydraulic parameters at 22 locations along the proposed route of the trans-Alaska pipeline corridor south of the Yukon River. Combined with the records from gaging stations located at some of the sites, the data are sufficient to describe...
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...