Publication Citation

USGS Series IMAP
Report Number 1420(NK-15)
Title Quaternary Geologic Map of the Des Moines 4 Degrees x 6 Degrees Quadrangle, United States
Edition Version 1.0
Language ENGLISH
Author(s) Compiled by Hallberg, George R.; Lineback, Jerry A.; Mickelson, David M.; Knox, James C.; Goebel, Joseph E.; Hobbs, Howard C.; Whitfield, John W.; Ward, Ronald A.; Boellstorff, John D.; Swinehart, James B.; Dreeszen, Vincent H.; Edited and Integrated by Richmond, Gerald Martin; Fullerton, David S.; Christiansen, Ann Coe
Year 1994
Originating office U.S. Geological Survey
USGS Library Call Number M(200) I no.1420(NK-15)
Physical description Map Sheet: 54.5 x 35.5 inches; Zip Files; Downloads Directory
ISBN
Northernmost latitude 0440000
Southernmost latitude 0400000
Easternmost longitude -0900000
Westernmost longitude -0960000

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Abstract

The Quaternary Geologic Map of the Des Moines 4 degree x 6 degree Quadrangle was mapped as part of the Quaternary Geologic Atlas of the United States. The atlas was begun as an effort to depict the areal distribution of surficial geologic deposits and other materials that accumulated or formed during the past 2+ million years, the period that includes all activities of the human species. These materials are at the surface of the earth. They make up the 'ground' on which we walk, the 'dirt' in which we dig foundations, and the 'soil' in which we grow crops. Most of our human activity is related in one way or another to these surface materials that are referred to collectively by many geologists as regolith, the mantle of fragmental and generally unconsolidated material that overlies the bedrock foundation of the continent. The maps were compiled at 1:1,000,000 scale. This map is part of the Quaternary Geologic Atlas of the United States (I-1420). It was first published as a printed edition in 1994. The geologic data have now been captured digitally and are presented here along with images of the printed map sheet and component parts as PDF files.