Labels:text | screenshot | billboard | outdoor OCR: USGS science for a changing world National Assessment of Oil and Gas Project: Geologic Assessment of Undiscovered Oil and Gas Resources of the Black Warrior Basin Province, Alabama and Mississippi By U.S. Geological Survey Black Warrior Basin Province Assessment Team USGS Digital Data Series DDS-69-I U.S. Department of the Interior Version 1.0 U.S. Geological Survey 2007
