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.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	14:12, 15 February 2023		692 × 454 (198 KB)	Zigismon (talk \| contribs)	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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