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Accident Experience: Iron-Ore Mines, Lake Superior District, 1940-43
Report issued by the U.S. Bureau of Mines discussing the iron-ore mining accident experience in the Lake Superior District. Frequency and severity rates of accidents between 1940 and 1943 are presented. This report includes tables.
Date:
May 1945
Creator:
Cash, Frank E. & Larsen, Reuben D.
Object Type:
Report
System:
The UNT Digital Library
Manganese Investigations - Metallurgical Division: 14. Hydrometallurgical Studies of Manganses Ores
Report issued by the U.S. Bureau of Mines regarding laboratory tests conducted on acid leaching of manganese ore. Descriptions of the methods used in testing and results are presented. This report contains tables, and graphs.
Date:
July 1942
Creator:
Anderson, Clarence Travis
Object Type:
Report
System:
The UNT Digital Library
Rural planning : the village.
Describes various types of planned villages and provides examples of features in such communities.
Date:
1940
Creator:
Nason, W. C. (Wayne Crocker), b. 1874
Object Type:
Book
System:
The UNT Digital Library