EarthWorks Geospatial Catalog

Bedrock geologic map of New Hampshire [electronic resource] : a digital representation of Lyons and others 1997 map and ancillary files / by Derek S. Bennett, Chad A. Wittkop, and Connie L. Dicken ; U.S. Department of the Interior, U.S. Geological Survey ; prepared in cooperation with the New Hampshire Department of Environmental Services, New Hampshire Geological Survey.

Title from container insert. "Software revised 2007." Shipping list no.: 2007-0018-E. Contains digital datasets used to compile the original paper map in 1997, along with ancillary datasets and a copy of program ArcExplorer2 (Windows Edition) to aid in access.
U.S. Dept. of the Interior, U.S. Geological Survey
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