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A geohydrologic overview for the Pecora Symposium field trip, June 1979

Open-File Report 79-563
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Abstract

The settlement and development of South Dakota and the Big Sioux River basin have been closely related to water resources. The climate is a continental type and annual precipitation in the basin is about 23 inches. The area of the field trip lies within the Coteau des Prairies, a massive highland within the Central Lowlands Province. It is drained primarily by the Big Sioux River. The bedrock underlying the coteau is a series of Cretaceous sedimentary rocks and the Sioux Quartzite of Precambrian age. Wells in the Cretaceous Dakota Sandstone yield from 10 to 1,000 gallons per minute; the other bedrock formations generally yield less than 10 gallons per minute. The glacial outwash deposits on the coteau are generally excellent sources of ground water; the other glacial deposits, till and loess, are not dependable sources. (Woodard-USGS)

Additional publication details

Publication type Report
Publication Subtype USGS Numbered Series
Title A geohydrologic overview for the Pecora Symposium field trip, June 1979
Series title Open-File Report
Series number 79-563
DOI 10.3133/ofr79563
Year Published 1979
Language English
Publisher U.S. Geological Survey
Contributing office(s) South Dakota Water Science Center, Dakota Water Science Center
Description 19 p.
Online Only (Y/N) N
Additional Online Files (Y/N) N
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