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Bedrock topography of north-central Iowa

Open-File Report 77-174
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Abstract

Suggested Citation

Hansen, R., 1977, Bedrock topography of north-central Iowa: U.S. Geological Survey Open-File Report 77-174, 2 maps.; 7 p., https://doi.org/10.3133/ofr77174.

ISSN: 2331-1258 (online)

Publication type Report
Publication Subtype USGS Numbered Series
Title Bedrock topography of north-central Iowa
Series title Open-File Report
Series number 77-174
DOI 10.3133/ofr77174
Year Published 1977
Language ENGLISH
Description 2 maps.; 7 p.
Scale 25000
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