Laramie Sponge-Iron Pilot Plant (open access)

Laramie Sponge-Iron Pilot Plant

Report issued by the Bureau of Mines over studies conducted on the pilot plant in Laramie County, Wyoming. As stated in the introduction, "the purpose of this report is to record information derived from recent experimental work that had as its objective the development and demonstration of one method of producing sponge iron" (p. 2). This report includes tables, illustrations, and photographs.
Date: September 1948
Creator: Johnston, T. L. & Mahan, W. M.
System: The UNT Digital Library
Investigation of Melrose Zinc-Lead District, Ottawa County, Oklahoma, and Cherokee County, Kansas (open access)

Investigation of Melrose Zinc-Lead District, Ottawa County, Oklahoma, and Cherokee County, Kansas

Report issued by the Bureau of Mines over studies conducted on the Melrose zinc-lead deposits. Methods used in the investigation are listed. The characteristics of the zinc-lead deposits are presented also. This report includes tables, maps, and illustrations.
Date: September 1948
Creator: Knox, Clinton C.
System: The UNT Digital Library
Investigation of the Blewett Zinc-Lead Deposit, Jo Daviess County, Illinois (open access)

Investigation of the Blewett Zinc-Lead Deposit, Jo Daviess County, Illinois

Report issued by the Bureau of Mines over studies conducted on the Blewett zinc-lead mine of Illinois. Samples obtained through churn-drill and diamond drill holes are analyzed. This report includes tables, maps, and illustrations.
Date: September 1948
Creator: Holt, Stephen P.
System: The UNT Digital Library
A Process for the Production of Iron-Free Alum: Part 2. Pilot-Plant Development (open access)

A Process for the Production of Iron-Free Alum: Part 2. Pilot-Plant Development

Report issued by the Bureau of Mines over studies conducted on the production processes of iron-free alum. This is the second part of the report, and focuses on the development and operation of a continuous pilot plant. This report includes tables, graphs, photographs, and illustrations.
Date: September 1948
Creator: Cunningham, William K.; Gee, Edwin A. & Heindl, R. August
System: The UNT Digital Library