Search Results - Northrop, John D.
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Our mineral supplies.
Published 1917Search for the full-text version of this title in HathiTrust
Government Document Book
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Mineral Resources of the United States, 1916, [by] H.D. McCaskey, geologist in charge, Division of Mineral Resources. Part II. -- Nonmetals, [by] E.F. Burchard and G.F. Loughlin, g...
Published 1918Other Authors: “…Northrop, John D.…”
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Government Document Electronic eBook -
3
Mineral Resources of the United States, 1915, [by] H.D. McCaskey, geologist in charge, Division of Mineral Resources. Part II. -- Nonmetals, [by] E.F. Burchard, geologist in charge...
Published 1917Other Authors: “…Northrop, John D.…”
Online Access
Government Document Electronic eBook -
4
Mineral Resources of the United States, 1914, [by] H.D. McCaskey, geologist in charge, Division of Mineral Resources. Part II. -- Nonmetals, [by] E.F. Burchard, geologist in charge...
Published 1916Other Authors: “…Northrop, John D.…”
Online Access
Government Document Electronic eBook -
5
Mineral Resources of the United States, 1917, [by] H.D. McCaskey, geologist in charge. Part II. -- Nonmetals, [by] G.F. Loughlin, geologist in charge.
Published 1919Other Authors: “…Northrop, John D.…”
Online Access
Government Document Electronic eBook -
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Our mineral supplies, [by] H.D. McCaskey and E.F. Burchard, geologists in charge. [U.S. Geological Survey Bulletin 666.]
Published 1918Other Authors: “…Northrop, John D.…”
Online Access
Government Document Electronic eBook