Phosphoria and Dinwoody Tongues in Lower Chugwater of Central and Southeastern Wyoming (1934)

Thomas, H.D., 1934, Phosphoria and Dinwoody Tongues in lower Chugwater of central and southeastern Wyoming: Geological Survey of Wyoming [Wyoming State Geological Survey] Reprint 1, p. 1,655–1,697. (Reprinted from American Association of Petroleum Geologists Bulletin, v. 18, no. 12, December, 1934.)