Author: Zen, E-an, 1928- - Yale University Library GeoBlacklight Search Results

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1. Bedrock geologic map of the Egremont quadrangle and adjacent areas, Berkshire County, Massachusetts, and Columbia County, New York

1971. 2012-11-02T19:46:19Z. 2012-11-02T19:46:19Z. Zen, E-an, 1928-. U.S. Geological Survey. English. Public. Massachusetts, Berkshire County, New York (State), and Columbia County.

2. Geologic map of the Bashbish Falls quadrangle, Massachusetts, Connecticut, and New York [cartographic material]

1966. 2012-01-04T15:29:25Z. 2012-03-05T17:28:18Z. Zen, E-an, 1928-. U.S Geological Survey. English. Public. Massachusetts, Berkshire County, Connecticut, Litchfield County, New York (State), Columbia County, and Dutchess County.

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