File:USGS modified from pierce, WG., and Rich, E.I. 1962.jpg

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Description	Extent of the Silurian salt deposits in Michigan, Ohio, New York, and adjacent states
Source	Hydrologic Environment of the Silurian Salt Deposits in Parts of Michigan, Ohia and New York. Modified from Pierce, WG., and Rich, E.I. 1962
Date	1978
Author	Stanley E. Norris, United States Geological Survey
Permission (Reusing this file)	See below.

This image is a work of a United States Geological Survey employee, taken or made as part of that person's official duties. As a work of the United States Government, the image is in the public domain in the US. For more information, see the USGS copyright policy. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	09:12, 15 February 2023		692 × 454 (198 KB)	imagesenwiki>Zigismon	Us Geological Survey Pierce, WG., and Rich, E.I. 1962 https://pubs.usgs.gov/of/1978/0684/report.pdf "HYDROLOGIC ENVIRONMENT OF THE SILURIAN SALT DEPOSITS IN PARTS OF MICHIGAN, OHIO, AND NEW YORK" Stanley E. Norris

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