Vanadium Deposits in the Carrizo Mountains District, Navajo Indian Reservation, Northeastern Arizona and Northwestern New Mexico (open access)

Vanadium Deposits in the Carrizo Mountains District, Navajo Indian Reservation, Northeastern Arizona and Northwestern New Mexico

From abstract: The Carrizo Mountains vanadium district is in the Navajo Indian Reservation, northeastern Arizona and northwestern New Mexico. From May through October, 1942, two mining companies, operating under lease agreements with the Navajo Service, opened several mines in the district and produced a total of about 6,000 tons of ore, averaging approximately 2.2 percent.
Date: 1942
Creator: Duncan, Donald C. & Stokes, William Lee
Object Type: Report
System: The UNT Digital Library
Regrassing for Soil Protection in the Southwest (open access)

Regrassing for Soil Protection in the Southwest

"This bulletin is designed to help the stockmen and farmers, of the Southwest [United States] particularly, in reestablishing depleted ranges where unfavorable climatic conditions and heavy demands on the range have served to make improvement of the range by natural means a slow and difficult process. It discusses the latest methods of artificial revegetation that have proved most effective in regrassing the ranges. It also discusses the more promising grasses and indicates that areas to which they are adapted. It explains the latest methods for harvesting seed and establishing grass on various sites under a wide range of conditions as to elevation, temperature, rainfall, and soils." -- p. i
Date: 1942
Creator: Flory, Evan L. & Marshall, Charles G.
Object Type: Pamphlet
System: The UNT Digital Library
Some Haulage and Hoisting Hazards in Western Mines (open access)

Some Haulage and Hoisting Hazards in Western Mines

Report issued by the U.S. Bureau of Mines discussing safety hazards in western mines. Mine hoisting and haulage accidents are presented. Accident prevention is also discussed. This report includes tables.
Date: December 1942
Creator: Denny, E. H. & Humphrey, H. B.
Object Type: Report
System: The UNT Digital Library