Conger, R. W., & Bird, P. H. (1999). Identification of water-bearing fractures by the use of geophysical logs, May to July 1998, former Naval Air Warfare Center, Bucks County, Pennsylvania. U.S. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationConger, Randall W., and Philip H. Bird. Identification of Water-bearing Fractures by the Use of Geophysical Logs, May to July 1998, Former Naval Air Warfare Center, Bucks County, Pennsylvania. Lemoyne, Pennsylvania: U.S. Department of the Interior, U.S. Geological Survey, 1999.
MLA (9th ed.) CitationConger, Randall W., and Philip H. Bird. Identification of Water-bearing Fractures by the Use of Geophysical Logs, May to July 1998, Former Naval Air Warfare Center, Bucks County, Pennsylvania. U.S. Department of the Interior, U.S. Geological Survey, 1999.