Clason Map Co. (1920). Geological map of Texas and Oklahoma: Showing oil and gas areas, drilling operations in progress and proposed, and various geological formations. Clason Map Company.
Chicago Style (17th ed.) CitationClason Map Co. Geological Map of Texas and Oklahoma: Showing Oil and Gas Areas, Drilling Operations in Progress and Proposed, and Various Geological Formations. Denver: Clason Map Company, 1920.
MLA (9th ed.) CitationClason Map Co. Geological Map of Texas and Oklahoma: Showing Oil and Gas Areas, Drilling Operations in Progress and Proposed, and Various Geological Formations. Clason Map Company, 1920.
Warning: These citations may not always be 100% accurate.