Search results for: Steven, Thomas A. (Thomas August), 1917-2013

Showing 1 - 20 results of 20 Refine Results
  1. 1

    Calderas of the San Juan volcanic field, southwestern Colorado : eighteen major ash-flow tuff sheets were deposited and perhaps as many related calderas developed during emplacemen...

    Authors: Steven, Thomas A. (Thomas August), 1917-2013
    Published: U.S. Govt. Print. Off, 1976
    Physical Description: iii, 35 pages : illustrations ; 29 cm.
    Government Document Book
  2. 2

    Summary mineral resource appraisal of the Richfield 1.

    Authors: Steven, Thomas A. (Thomas August), 1917-2013
    Published: Department of the Interior, U.S. Geological Survey ; Branch of Distribution, Books and Open-File Reports Section, 1987
    Physical Description: iii, 24 pages : maps ; 28 cm.
    Government Document Book
  3. 3

    Mineral resources of the La Garita Wilderness, San Juan Mountains, southwestern Colorado

    Authors: Steven, Thomas A. (Thomas August), 1917-2013
    Published: Department of the Interior, Geological Survey : for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1977
    Physical Description: vi, 65 pages : illustrations, maps (2 folded in pocket) ; 23 cm.
    Government Document Book
  4. 4

    Mineral resources of study areas contiguous to the Uncompahgre primitive area, San Juan Mountains, southwestern Colorado

    Authors: Steven, Thomas A. (Thomas August), 1917-2013
    Published: Department of the Interior, Geological Survey : for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1977
    Physical Description: viii, E126 pages : illustrations ; 23 cm & portfolio (3 leaves of plates: maps).
    Government Document Book
  5. 5

    Summary mineral resource appraisal of the Richfield 1⁰ x 2⁰ quadrangle, west-central Utah

    Authors: Steven, Thomas A. (Thomas August), 1917-2013
    Published: Dept. of the Interior, U.S. Geological Survey ; Branch of Distribution, Books and Open-File Reports Section, 1987
    Physical Description: iii, 24 pages : maps ; 28 cm.
    Connect to online resource - All users (Federal Depository Library Program Persistant URL)
    Government Document Electronic eBook
  6. 6

    Geology and fluorspar deposits, Northgate district, Colorado

    Authors: Steven, Thomas A. (Thomas August), 1917-2013
    Published: United States Department of the Interior, Geological Survey, 1960
    Physical Description: 1 online resource (v, 323-422 pages, 4 pages of plates) : illustrations, maps.
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    Government Document Electronic eBook
  7. 7

    Mineral resources of study areas contiguous to the Uncompahgre primitive area, San Juan Mountains, southwestern Colorado

    Authors: Steven, Thomas A. (Thomas August), 1917-2013
    Published: United States Department of the Interior, Geological Survey, 1977
    Physical Description: 1 online resource (viii, 126 pages, 3 pages of plates) : illustrations, maps (some color).
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    Government Document Electronic eBook
  8. 8

    Metamorphism and the origin of granitic rocks, Northgate District, Colorado

    Authors: Steven, Thomas A. (Thomas August), 1917-2013
    Published: United States Department of the Interior, Geological Survey, 1957
    Physical Description: 1 online resource (48 unnumbered pages, 6 unnumbered pages of plates) : illustrations, maps + 2 plates.
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    Government Document Electronic eBook
  9. 9

    Mount Belknap and Red Hills calderas and associated rocks, Marysvale volcanic field, west-central Utah : description of the rocks, eruptive history, and inferred subvolcanic enviro...

    Authors: Cunningham, Charles G., Steven, Thomas A. (Thomas August), 1917-2013
    Published: United States Department of the Interior, Geological Survey, 1979
    Physical Description: 1 online resource (iii, 34 pages) : illustrations, maps.
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    Government Document Electronic eBook
  10. 10

    Calderas of the San Juan volcanic field, southwestern Colorado

    Authors: Steven, Thomas A. (Thomas August), 1917-2013, Lipman, Peter W.
    Published: United States Department of the Interior, Geological Survey, 1976
    Physical Description: 1 online resource (iii, 35 pages) : illustrations, maps.
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    Government Document Electronic eBook
  11. 11

    Ash flows and related volcanic rocks associated with the Creede caldera, San Juan Mountains, Colorado

    Authors: Ratté, James Clifford, 1925-, Steven, Thomas A. (Thomas August), 1917-2013
    Published: United States Department of the Interior, Geological Survey, 1967
    Physical Description: 1 online resource (viii, 58 pages) : illustrations (some colored), maps + 1 plate.
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    Government Document Electronic eBook
  12. 12

    Geology and structural control of ore deposition in the Creede district, San Juan Mountains, Colorado

    Authors: Steven, Thomas A. (Thomas August), 1917-2013, Ratté, James Clifford, 1925-
    Published: United States Department of the Interior, Geological Survey, 1965
    Physical Description: 1 online resource (90 pages) : illustrations, maps + 7 plates.
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    Government Document Electronic eBook
  13. 13

    Geology and ore deposits of the Summitville district, San Juan Mountains, Colorado

    Authors: Steven, Thomas A. (Thomas August), 1917-2013, Ratté, James Clifford, 1925-
    Published: United States Department of the Interior, Geological Survey, 1960
    Physical Description: 1 online resource (iv, 70 pages) : illustrations, maps + 5 plates.
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    Government Document Electronic eBook
  14. 14

    Mineral resources of the La Garita Wilderness, San Juan Mountains, southwestern Colorado

    Authors: Steven, Thomas A. (Thomas August), 1917-2013, Bieniewski, Carl L., Eaton, Gordon P.
    Published: United States Department of the Interior, Geological Survey, 1977
    Physical Description: 1 online resource (vi, 65 pages, 2 pages of plates) : illustrations, maps (some color).
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    Government Document Electronic eBook
  15. 15

    Mineral resources of the San Juan primitive area, Colorado : an evaluation of the mineral potential of the area

    Authors: Steven, Thomas A. (Thomas August), 1917-2013, Gair, Jacob Eugene, 1922-, Klemic, Harry, 1920-
    Published: United States Department of the Interior, Geological Survey, 1969
    Physical Description: 1 online resource (viii, 187 pages, 2 pages of plates) : illustrations, color maps.
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    Government Document Electronic eBook
  16. 16

    Revised stratigraphy and radiometric ages of volcanic rocks and mineral deposits in the Marysvale area, west-central Utah : mineralization took place many times during a complex hi...

    Authors: Steven, Thomas A. (Thomas August), 1917-2013, Cunningham, Charles G., Mehnert, Harald H., Naeser, Charles W.
    Published: United States Department of the Interior, Geological Survey, 1979
    Physical Description: 1 online resource (iii, 40 pages) : illustrations.
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    Government Document Electronic eBook
  17. 17

    Revised stratigraphy and radiometric ages of volcanic rocks and mineral deposits in the Marysvale area, west-central Utah

    Published: Department of the Interior, Geological Survey ; For sale by the Supt. of Docs., U.S. Govt. Print. Off, 1979
    Other Authors: “…Steven, Thomas A. (Thomas August), 1917-2013…”
    Physical Description: iii, 40 pages : illustrations, maps ; 24 cm.
    Government Document Book
  18. 18

    Mount Belknap and Red Hills calderas and associated rocks, Marysvale volcanic field, west-central Utah

    Authors: Cunningham, Charles G.
    Published: Department of the Interior, Geological Survey ; For sale by the Supt. of Docs., U.S. Govt. Print. Off, 1979
    Other Authors: “…Steven, Thomas A. (Thomas August), 1917-2013…”
    Physical Description: iii, 34 pages : illustrations, maps ; 24 cm.
    Government Document Book
  19. 19

    Igneous activity and related ore deposits in the western and southern Tushar Mountains, Marysvale Volcanic Field, west-central Utah

    Published: United States Department of the Interior, Geological Survey, 1984
    Other Authors: “…Steven, Thomas A. (Thomas August), 1917-2013…”
    Physical Description: 1 online resource (vi, 33 pages) : illustrations, maps.
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    Government Document Electronic eBook
  20. 20

    Multiple episodes of igneous activity, mineralization, and alteration in the western Tushar Mountains, Utah

    Authors: Cunningham, Charles G.
    Published: The Survey, 1982
    Other Authors: “…Steven, Thomas A. (Thomas August), 1917-2013…”
    Physical Description: 1 volume : maps ; 28 cm.
    Government Document Microfilm Book