Cretaceous stratigraphy of the Four Corners area, in James, H.L., ed., Guidebook of Monument Valley and vicinity, Arizona and Utah

Mineral District, Stratigraphy, [Dakota Sandstone][Dakota Fm] - Cretaceous, Mancos Shale, (Mesaverde Fm)[Toreva Fm/Wepo Fm/Yale Point Sandstone/Rough Rock Sandstone] - (Mesaverde Group), Gallup Sandstone, Crevasse Canyon Fm, Menefee Fm,