Mercury: A Materials Survey (open access)

Mercury: A Materials Survey

Report issued by the U.S. Bureau of Mines discussing materials surveys conducted on mercury. As stated in the foreword, "the surveys dealing with metals and minerals summarize the demand-supply position in the United States and include information on production, imports, consumption, exports, substitutes, and pertinent history" (p. v). This report includes maps, tables, illustrations, and photographs.
Date: 1959
Creator: Pennington, James W. & Bailey, Edgar H.
System: The UNT Digital Library
Substation History: Arizona (open access)

Substation History: Arizona

This report gives information about the substation present in the state of Arizona from the date it was established through the year 1955.
Date: 1956
Creator: United States. Weather Bureau.
System: The UNT Digital Library