(Statistical and economic surveys.) [Processed.] † Distribution Made by Issuing Office.
Notes:
NOTE.—These reports give statistical data as to production, consumption, and markets during previous year for some particular mineral commodity, and are issued as soon after close of year as data are available.
759. Consumption of tin in United States declined sharply in 1938; [by J. B. Umhau and D. E. Adams]. 4 leaves. (Metal Economics Division.)
760. Masonry, natural, and puzzolan cement industry in 1938, advance summary; by E. V. Balser. 1 p. (Nonmetal Economics Division.)
761. Byproduct sulfuric acid at copper and zinc plants in 1938, advance summary; by E. W. Pehrson and H. M. Meyer. 1 p. (Metal Economics Division.)
762. Mica as strategic material studied by Bureau of Mines; [by Paul M. Tyler]. 4 leaves. (Nonmetal Economics Division.)
763. Further declines in export and domestic demand for phosphate rock; [by Bertrand L. Johnson and K. G. Warner]. 6 leaves. (Nonmetal Economics Division.)
764. Special cements in 1938, summary; [by E. V. Balser]. 2 leaves. (Nonmetal Economics Division.)