Digital Bedrock Geologic-GIS Map of Keweenaw National Historical Park and Vicinity, Michigan (NPS, GRD, GRI, KEWE, KEWE digital map) adapted from a U.S. Geological Survey Geologic Investigations Series Map by Cannon and Nicholson (2001), and a U.S. Geological Survey Open-File Report map by Cannon, McRae and Nicholson (1999)
The Digital Bedrock Geologic-GIS Map of Keweenaw National Historical Park and Vicinity, Michigan is composed of GIS data layers and GIS tables, and is available in the following GRI-supported GIS data formats: 1.) an ESRI file geodatabase (kewe_geology.gdb), a 2.) Open Geospatial Consortium (OGC) geopackage, and 3.) …