Description of data files compiled for the Central Midwest Regional Aquifer-System Analysis / by John O. Helgesen and Cristi V. Hansen.

Bibliographic Details
Uniform Title:U.S. Geological Survey open-file report ; 89-42.
Main Author: Helgesen, John O.
Corporate Author: Geological Survey (U.S.)
Other Authors: Hansen, Cristi V.
Language:English
Published: Denver, Colo. : Department of the Interior, U.S. Geological Survey : Books and Open-File Reports [distributor], 1989.
Series:U.S. Geological Survey open-file report ; 89-42.
Subjects:
Physical Description:1 microfiche : negative, illustrations, maps.
Format: Government Document Microfilm Book

MARC

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245 1 0 |a Description of data files compiled for the Central Midwest Regional Aquifer-System Analysis /  |c by John O. Helgesen and Cristi V. Hansen. 
260 |a Denver, Colo. :  |b Department of the Interior, U.S. Geological Survey :  |b Books and Open-File Reports [distributor],  |c 1989. 
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504 |a Includes bibliographical references (page 28). 
650 0 |a Groundwater  |z Middle West.  |0 http://id.loc.gov/authorities/subjects/sh85145514 
650 0 |a Hydrology  |z Middle West.  |0 http://id.loc.gov/authorities/subjects/sh85063458 
650 0 |a Aquifers  |z Middle West.  |0 http://id.loc.gov/authorities/subjects/sh95010854 
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