Keller, S. J., & Becker, L. E. (1980). Subsurface stratigraphy and oil fields in the Salem Limestone and associated rocks in Indiana. Dept. of Natural Resources, Geological Survey.
Chicago Style (17th ed.) CitationKeller, Stanley J., and Leroy E. Becker. Subsurface Stratigraphy and Oil Fields in the Salem Limestone and Associated Rocks in Indiana. Bloomington, Ind.: Dept. of Natural Resources, Geological Survey, 1980.
MLA (9th ed.) CitationKeller, Stanley J., and Leroy E. Becker. Subsurface Stratigraphy and Oil Fields in the Salem Limestone and Associated Rocks in Indiana. Dept. of Natural Resources, Geological Survey, 1980.
Warning: These citations may not always be 100% accurate.