Author: Jahns, Richard H. (Richard Henry), 1915-1983 / Spatial Coverage: Massachusetts - Yale University Library GeoBlacklight Search Results

Start Over Author Jahns, Richard H. (Richard Henry), 1915-1983 Spatial Coverage Massachusetts

1. Surficial geologic map of the Greenfield quadrangle, Franklin County, Massachusetts [cartographic material]

1966. 2011-12-20T19:05:10Z. 2012-03-05T17:26:42Z. Jahns, Richard H. (Richard Henry), 1915-1983. The Survey. English. Public. Massachusetts and Franklin County.

2. Surficial geology of the Ayer quadrangle, Massachusetts [cartographic material]

1953. 2011-11-29T19:01:09Z. 2012-03-05T17:16:33Z. Jahns, Richard H. (Richard Henry), 1915-1983. U.S. Geological Survey. English. Public. Massachusetts, Middlesex County, and Worcester County.

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