You searched for: Subject Geoscientific Information Remove constraint Subject: Geoscientific Information Subject Caves Remove constraint Subject: Caves Place Massachusetts Remove constraint Place: Massachusetts Place United States Remove constraint Place: United States Place Alabama Remove constraint Place: Alabama Place Florida Remove constraint Place: Florida Format Shapefile Remove constraint Format: Shapefile Year 1984 Remove constraint Year: 1984
1984. Tobin, B. D. and Weary, David J. This polygon shapefile is a digital version of U.S. Geological Survey Open File Report 2004-1352, Engineering Aspects of Karst. The open-file repor... National Atlas of the United States.