A GIS (geographical Information System) geologic map of the Oat Mountain 7.5' quadrangle
Structure contour map of the McKittrick oil field, Arnold and Johnson, 1910, USGS Bulletin 406
Geologic map of lower San Emigdio Canyon, Wind Wolves Preserve, CA
Geologic map of the Chittagong Hills Tract, Bangladesh
A geologic cross section constructed using surface geologic mapping and data from oil and gas wells.
A typical oil company generated subsurface structure contour map showing the subsea depth to geologic unit and locations of oil and gas wells. These types of paper maps, that show an abundance of geologic information and data, are at risk of being lost due to company downsizing and reorganizations.