Development of Engineering and Cost Data for Foreign Columbium, Tantalum, Mercury, and Molybdenum Properties

摘要

The report outlines the number of deposit and country reports submitted for the four commodities studied in the contract. The initial and final deposit reports are listed in separate tables with explanation for the addition or deletion of specific deposits. Problems experienced during the course of the project are outlined. Separate sections are devoted to the discussion of comments and recommendations for future Minerals Availability Program studies, industry trends, and cost estimation methodology.