Age of Amsden Formation, Cherry Creek, Wind River Mountains, Wyoming (1955)

Shaw, A.B., and Bell, W.G., 1955, Age of Amsden Formation, Cherry Creek, Wind River Mountains, Wyoming: Geological Survey of Wyoming [Wyoming State Geological Survey] Reprint 15, 5 p. (Reprinted from American Association of Petroleum Geologists Bulletin, v. 39, no. 3, March, 1955.)