leaming george (6 Ergebnisse)

Zustand: very good. July 1969. Although a number of estimates have been made since 1947 of the total nonfuel mineral reserves of the United States, for the most part such estimates have not been substantiated by subsequent production figures. DM2. stapled binding, softcover, 49 pages, name written on cover, unmarked pages, 11" x 8.5".

Zustand: very good. July 1969. In examining the changes that were hypothesized to have occurred in the nation's nonfuel mineral resources since the period just prior to the passage of the country's basic mineral legislation, a number of specific questions were framed. DC7. black plastic comb, softcover, 120 pages, indexed, small tear top front cover o/w near fine, unmarked pages, 11" x 9".

Zustand: very good. July, 1969. Have the various non-federal systems of mineral land acquisition and tenure used in the United States had measurable effects upon the utilization of nonfuel mineral resources. DQ2. black plastic comb, 11" x 8.5", 757-851 pages, illustrated, name written on cover.

Zustand: very good. July, 1969. The research of nonfuel mineral resources is influenced by the Public Land Law Review Commission which is oversight of the agencies and uses of public lands. DQ2. black plastic comb, 11" x 8.5", 243-512 pages, illustrated, name written on cover.

Zustand: very good. July, 1969. Has the marketing of nonfuel minerals changed since the 1860's? Do different mineral commodities now have varying market characteristics? Can these be expected to change by 1985? DN2. black plastic comb, 11" x 8.5", 513-755 pages, illustrated, name written on cover.

Zustand: very good. July, 1969. Have any significant changes occurred in the search for nonfuel minerals in the United States since 1872? Since 1920? What factors have influenced these changes? Have any such changes since 1947? followed discernible trends which might be projected to 1985? DN2. black plastic comb, 11" x 8.5", 243-512 pages, illustrated, name written on cover.