Digital Bedrock Geologic-GIS Map of the Sny Magill Unit and Vicinity, Effigy Mounds National Monument, Iowa (NPS, GRD, GRI, EFMO, CLYT_bedrock digital map) adapted from a Iowa Geological and Water Survey Open-File Map by Witzke, Anderson, and Pope (2010)
The Digital Bedrock Geologic-GIS Map of the Sny Magill Unit 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 (clyt_bedrock_geology.gdb), a 2.) Open Geospatial Consortium (OGC) …