Griswold, W. T. (1908). Structure of the Berea oil sand in the Flushing quadrangle, Harrison, Belmont, and Guernsey counties, Ohio. Department of the Interior, United States Geological Survey.
Chicago Style (17th ed.) CitationGriswold, W. T. Structure of the Berea Oil Sand in the Flushing Quadrangle, Harrison, Belmont, and Guernsey Counties, Ohio. Washington, D.C.: Department of the Interior, United States Geological Survey, 1908.
MLA (9th ed.) CitationGriswold, W. T. Structure of the Berea Oil Sand in the Flushing Quadrangle, Harrison, Belmont, and Guernsey Counties, Ohio. Department of the Interior, United States Geological Survey, 1908.
Warning: These citations may not always be 100% accurate.