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Page 5193, results 129801 - 129825

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Water resources of the Rattlesnake Butte area, a site of potential lignite mining in west-central North Dakota
W.F. Horak
1983, Water-Resources Investigations Report 83-4228
In much of western North Dakota, minable lignite beds and associated sand beds are valuable local aquifers. Strip mining disrupts the aquifers and could significantly impact the local hydrology, imposing hardships on local residents. This comprehensive water-resources study of a 147-square-mile coal area in west-central North Dakota was done to...
Water-level changes in the high plains regional aquifer, northwestern Oklahoma, predevelopment to 1980
J.S. Havens
1983, Water-Resources Investigations Report 83-4073
During 1978, the U.S. Geological Survey began a 5-year study of the High Plains regional aquifer system to provide hydrologic information for evaluation of the effects of long-term development of the aquifer and to develop computer models for prediction of aquifer response to alternative changes in ground-water management (Weeks, 1978)....
A bibliography of stockwork molybdenite deposits and related topics (with an emphasis on the North American literature)
Celia H. Steigerwald, Felix E. Mutschler, Steve Ludington
1983, Open-File Report 83-382
This bibliography of 1117 citations brings together references on stockwork molybdenite deposits and related topics in a format that can be sorted by topic and(or) geographic area. Each reference is preceded by a key, or keys, which may be read and sorted visually or by computer, The bibliography is available...
Stratigraphic framework and distribution of lignite on Crowleys Ridge, Arkansas
Charles R. Meissner
1983, Open-File Report 83-609
The purpose of this report is to establish a stratigraphic framework of lignite beds and associated strata of Crowleys Ridge, Arkansas. Drill hole data provided by the Arkansas Geological Commission is used in the synthesis and interpretation. Areas containing lignite of potential resource value are also delineated. To illustrate the...
Water resources of Hanson and Davison Counties, South Dakota
D. S. Hansen
1983, Water-Resources Investigations Report 83-4108
Five glacial and four bedrock aquifers were delineated in Hanson and Davison Counties. The glacial aquifers, outwash deposits confined by as much as 275 feet of glacial till, are the Floyd, Plum Creek, Ethan, Warren, and Alexandria. The bedrock aquifers are the Niobrara, Codell, Dakota, and Sioux Quartzite Wash, and...
The environmental history and present condition of Saudi Arabia's northern sand seas
John W. Whitney, D.J. Faulkender, Meyer Rubin
1983, Open-File Report 83-749
Saudi Arabia's northern sand seas are composed dominantly of stable dune systems, even though the modern climate is arid. The stable dunes are large and support a sparse semidesert vegetation. Active dunes are small and commonly confined to the crests of stable dunes; they comprise less than 5 percent of...
Water resources in the Blackstone River basin, Massachusetts
Eugene H. Walker, Bruce E. Krejmas
1983, Open-File Report 83-700
The Blackstone River heads in brooks 6 miles northwest of Worcester and drains about 330 square miles of central Massachusetts before crossing into Rhode Island at Woonsocket. The primary source of the Worcester water supply is reservoirs, but for the remaining 23 communities in the basin, the primary source is wells. Bedrock...