2015. Michigan Department of Natural Resources. Bedrock geology polygons as digitized from the 1987 Michigan Bedrock Geology map. Updated Monthly.
2010. Indiana Geological Survey. BEDROCK_GEOL_MM48_IN is a polygon shapefile that shows bedrock geology of the state of Indiana at a scale of 1:500,000. The mapped stratigraphic un...
2015. State of Michigan. Michigan bedrock geologyMore Metadata.
2015. State of Michigan. Michigan Quaternary GeologyMore Metadata.
2017. Iowa Geological Survey. Bedrock Geology of Iowa This zip file contains a file geodatabase with the following feature classes: Bedrock Faults Bedrock Geology Bedrock Topogr...
2001. Pennsylvania Department of Conservation and Natural Resources. Two digital data sets, one for geologic units and faults and the other for dikes, have been prepared for Pennsylvania. The data sets were digitized...
2017. State of Michigan. Digital version of Quaternary Geology maps of northern and southern Michigan.
2018. York County, Pennsylvania. York County Geology; Intended for illustration and demonstration purposes only.
Baltimore County Web Map Portal.
2015. City of Dublin, Ohio. Environmental data around the City of Dublin, OH, USA.