Pratt, W. P. (1983). Mineral-resource appraisal of the Rolla 1° x 2° quadrangle, Missouri, as of September 1980: A nontechnical summary. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationPratt, Walden P. Mineral-resource Appraisal of the Rolla 1° X 2° Quadrangle, Missouri, as of September 1980: A Nontechnical Summary. [Reston, Va.]: United States Department of the Interior, Geological Survey, 1983.
MLA (9th ed.) CitationPratt, Walden P. Mineral-resource Appraisal of the Rolla 1° X 2° Quadrangle, Missouri, as of September 1980: A Nontechnical Summary. United States Department of the Interior, Geological Survey, 1983.
Warning: These citations may not always be 100% accurate.