Woodward, D. G. (1985). Seismic-refraction study of suspected drift-filled bedrock valleys in Ramsey County, Minnesota. U.S. Geological Survey.
Chicago Style (17th ed.) CitationWoodward, D. G. Seismic-refraction Study of Suspected Drift-filled Bedrock Valleys in Ramsey County, Minnesota. St. Paul, Minnesota: U.S. Geological Survey, 1985.
MLA (9th ed.) CitationWoodward, D. G. Seismic-refraction Study of Suspected Drift-filled Bedrock Valleys in Ramsey County, Minnesota. U.S. Geological Survey, 1985.
Warning: These citations may not always be 100% accurate.