Levorsen, J. A., Pessel, G. H., & Tailleur, I. L. (1978). Generalized isopach map of the ledge sandstone member of the Ivishak formation: Eastern North Slope Petroleum Province, Alaska. U.S. Geological Survey.
Chicago Style (17th ed.) CitationLevorsen, J. A., G. H. Pessel, and Irvin Lorraine Tailleur. Generalized Isopach Map of the Ledge Sandstone Member of the Ivishak Formation: Eastern North Slope Petroleum Province, Alaska. Reston, Va.: U.S. Geological Survey, 1978.
MLA (9th ed.) CitationLevorsen, J. A., et al. Generalized Isopach Map of the Ledge Sandstone Member of the Ivishak Formation: Eastern North Slope Petroleum Province, Alaska. U.S. Geological Survey, 1978.
Warning: These citations may not always be 100% accurate.