Digital Bedrock Geologic-GIS Map of the North, South, and Heritage Addition Units and Vicinity, Effigy Mounds National Monument, Iowa (NPS, GRD, GRI, EFMO, EFMO_bedrock digital map) adapted from a Iowa Geological Survey Open-File Map by Witzke and Anderson (2006)
The Digital Bedrock Geologic-GIS Map of the North, South, and Heritage Addition Units and Vicinity, Effigy Mounds National Monument, Iowa is composed of GIS data layers and GIS tables, and is available in the following GRI-supported GIS data formats: 1.) a 10.1 file geodatabase (efmo_bedrock_geology.gdb), a 2.) Open …