Geologic Unit: Hitchcock
Hitchcock Volcanics of Newark Supergroup (MA*)
Crops out on the north and west slopes of Mount Hitchcock, Holyoke Range, Mount Holyoke quadrangle, Hampshire Co., MA (Robinson and Luttrell, 1985).
Unit Name History:
First used (Bain, 1941). Named (Brophy and others, 1967). Revised; Age modified (Robinson and Luttrell, 1985).
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U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA
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Last modified: 15-Jan-2013