Zinc-Lead Ore Reserves of the Tri-State District, Missouri-Kansas-Oklahoma (open access)

Zinc-Lead Ore Reserves of the Tri-State District, Missouri-Kansas-Oklahoma

Report issued by the Bureau of Mines over studies of zinc-lead reserves in the tri-state area. The results of the studies are presented. This report includes tables, maps, and illustrations.
Date: July 1949
Creator: Ruhl, Otto; Allen, Simeon A. & Holt, Stephen P.
System: The UNT Digital Library
Gypsum Products: Their Preparation and Uses (open access)

Gypsum Products: Their Preparation and Uses

Technical report issued by the Bureau of Mines over the different uses of gypsum. The sources and uses of gypsum are presented and discussed. This report includes tables, photographs, and illustrations.
Date: July 1917
Creator: Stone, Ralph W.
System: The UNT Digital Library