Geology of the Luis Lopez manganese district, Socorro County, New Mexico.
- Socorro, New Mexico Bureau of Mines and Mineral Resources, New Mexico Institute of Mining and Technology, 1956.
- 31 p. illus., fold. map, tables, 28 cm.
- New Mexico. Bureau of Mines and Mineral Resources. Circular 38 .
- Circular (New Mexico. Bureau of Mines and Mineral Resources) ; 38. .