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1
Mineral Resources of the United States, 1927, [by] Frank J. Katz, chief engineer, Division of Mineral Statistics. Part I. -- Metals.
Published 1929Subjects: Online Access
Government Document Electronic eBook -
2
Mineral Resources of the United States, 1926, [by] Frank J. Katz, chief engineer, Division of Mineral Statistics. Part I. -- Metals.
Published 1928Subjects: Online Access
Government Document Electronic eBook -
3
Minerals yearbook, 1938. Compiled under the supervision of H. Herbert Hughes, Economics and Statistics Branch.
Published 1937Subjects: Online Access
Government Document Electronic eBook -
4
Minerals Yearbook, 1937. Compiled under the supervision of H.H. Hughes, Economics and Statistics Branch.
Published 1937Subjects: Online Access
Government Document Electronic eBook