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Document Type

Research

Abstract

This research was done on a study of the Hydrogeology of the Northeast Quarter of Marion County, Iowa, during the year of 1965-1966. In the surveys conducted the bedrock topography was found to be an extremely irregular surface; it is composed of both Mississippian and Pennsylvanian rocks. The top of the Mississippian rocks was found to be an irregular erosional surface possibly indicative of Karst topography. The piezometric surface for wells cased in Mississippian strata indicates a ground water divide. North of this divide the water flows into the South Skunk River, and south of the divide the water flows into the Des Moines River. The quality of the ground water deteriorated with depth, due to the presence of coal and pyrite in the Pennsylvanian strata, and limestone, dolomite, and some gypsum in the Mississippian strata. The principal aquifers as far as the production of wells is concerned are the St. Louis and Ste-Genevieve Formations and the Pleistocene deposits.

Publication Date

1969

Journal Title

Proceedings of the Iowa Academy of Science

Volume

76

Issue

1

First Page

311

Last Page

319

Copyright

© Copyright 1969 by the Iowa Academy of Science, Inc.

Language

EN

File Format

application/pdf

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