1970. Kingsbury, Robert C. and Hollingsworth, John M. Detached from: Kingsbury, Robert C. Atlas of Indiana, page 17. Scale approximately 2,150,000. Department of Geography, Indiana University.
1970. Kingsbury, Robert C. and Hollingsworth, John M. Shows outwash (lake and river sediments), end moraines, drift and un-glaciated bedrock Also shows Illinoian glacial boundary and Kansas glacial bou... Department of Geography, Indiana University.
1958. Wayne, William J.(William John), 1922-cartographer. Base modified from U.S. Geological Survey Base map of Indiana, 1953.; Reprinted with minor modifications, 1963. Scale 1:1,000,000. Indiana Geological Survey.
2020. U.S. Geological Survey, Southwest Region. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States (https://doi.org/10.5066/F7WH2N65) represents a seamless, s... Montgomery County, Pennsylvania.
1877. Geological Survey of India. Cartographic Details: Scale 1:4055040. 1 in. to 64 miles. To accompany: A manual of the geology of India. Pt. 1-2. Calcutta: Geological Survey Offi... Office of Surveyor General of India.
2016. DNR. This file of geologic unit polygons is for educational use. There are known errors and omissions. The file is part of a recompilation of the 1968 G... State of Maryland.
2016. MES. This data layer is a compilation of the MUPOLYGON feature class, muaggatt table and component table of the Gridded Soil Survey Geographic (gSSURGO)... State of Maryland.
2016. DNR. This data layer contains the Province-level physiographic subdivisions of Maryland in ArcGIS format. The file was developed from components of a de... State of Maryland.