W. J. Mapel
1922
A thick coal bed near Lake De Smet, Johnson County, Wyoming
Bituminous coal resources of Texas
Geology and coal resources of the Buffalo-Lake De Smet area, Johnson and Sheridan Counties, Wyoming
Geology of the Newcastle area, Weston County, Wyoming
Geology of the Upton quadrangle, Crook and Weston Counties, Wyoming
Nonopaque heavy minerals in sandstone of Jurassic and Cretaceous age in the Black Hills, Wyoming and South Dakota
Uranium in black shale deposits, northern Rocky Mountains and Great Plains