Lead: A Materials Survey (open access)

Lead: A Materials Survey

Report issued by the U.S. Bureau of Mines discussing a materials survey conducted on lead. Physicality, history, geology, uses, and locations of lead is presented. This report includes maps, tables, illustrations, and photographs.
Date: 1962
Creator: Callaway, H. M.
System: The UNT Digital Library
An Appraisal of Minerals Availability for 34 Commodities (open access)

An Appraisal of Minerals Availability for 34 Commodities

From Program Overview: "This bulletin summarizes and updates availability information published in individual mineral commodity appraisals since 1979. it also marks achievement, after 15-yr systems and data development history, of a major Bureau goal to build computer-based systems and the necessary staff infrastructure to perform timely, commodity-wide assessments with comparable cost frameworks."
Date: 1987
Creator: United States. Bureau of Mines.
System: The UNT Digital Library