Stephenson, W. J., & Geological Survey. (2002). Reconnaissance shallow seismic investigation of depth-to-bedrock and possible methane-bearing coalbeds, Galena, Alaska ([Version 1.0.].). U.S. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationStephenson, William J., and Geological Survey. Reconnaissance Shallow Seismic Investigation of Depth-to-bedrock and Possible Methane-bearing Coalbeds, Galena, Alaska. [Version 1.0.]. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 2002.
MLA (8th ed.) CitationStephenson, William J., and Geological Survey. Reconnaissance Shallow Seismic Investigation of Depth-to-bedrock and Possible Methane-bearing Coalbeds, Galena, Alaska. [Version 1.0.]. U.S. Dept. of the Interior, U.S. Geological Survey, 2002.