Geological Survey (U.S.), Lafarge Corporation, & Ellefsen, K. (2005). S-wave refraction survey of alluvial aggregate (Version 1.0.). U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), Lafarge Corporation, and Karl Ellefsen. S-wave Refraction Survey of Alluvial Aggregate. Version 1.0. Reston, Va.: U.S. Geological Survey, 2005.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. S-wave Refraction Survey of Alluvial Aggregate. Version 1.0. U.S. Geological Survey, 2005.
Warning: These citations may not always be 100% accurate.