1. Geologic map of the Mount Toby quadrangle, Massachusetts bedrock geology / [cartographic material]
1951. 2011-11-29T14:21:07Z. 2018-03-27T16:00:43Z. Willard, Max Emory, 1914-. U.S. Geological Survey. English. Public. Massachusetts, Hampshire County, Franklin County, and U.S.
