Smith, A. E., & Norris, R. L. (1976). Map showing bedrock topography and subcrop and area of occurrence of selected beds beneath alluvial deposits of parts of the Uniontown and Wabash Island quadrangles, Union and Henderson counties, Kentucky. U.S. Geological Survey.
Chicago Style (17th ed.) CitationSmith, Avery E., and Ronald L. Norris. Map Showing Bedrock Topography and Subcrop and Area of Occurrence of Selected Beds Beneath Alluvial Deposits of Parts of the Uniontown and Wabash Island Quadrangles, Union and Henderson Counties, Kentucky. Reston, Va.: U.S. Geological Survey, 1976.
MLA (9th ed.) CitationSmith, Avery E., and Ronald L. Norris. Map Showing Bedrock Topography and Subcrop and Area of Occurrence of Selected Beds Beneath Alluvial Deposits of Parts of the Uniontown and Wabash Island Quadrangles, Union and Henderson Counties, Kentucky. U.S. Geological Survey, 1976.