R. S. Zech
Geologic map of the Tse Bonita School quadrangle, McKinley County, New Mexico- Geologic map of the Twin Lakes quadrangle, McKinley County, New Mexico
- Geology and mineral resources of the Southern Ute Indian Reservation
- Heavy-mineral placer deposits of the Ute Mountain Ute Indian Reservation, southwestern Colorado and northwestern New Mexico
- Results of sample analysis of heavy-mineral deposits in the Point Lookout sandstone, southwest Colorado and northwest New Mexico