Search Results - Heyl, Allen V. (Allen Van), 1918-2008

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  1. 1

    The geology of the upper Mississippi Valley zinc-lead distict by Heyl, Allen V. (Allen Van), 1918-2008

    Published: U. S. Govt. Print. Off., 1959
    Description: x, 310 pages : illustrations, maps (24 folded 22 color, in portfolio) diagrams, profiles, tables. ; 29 cm.
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    The geology of the upper Mississippi Valley zinc-lead distict
  2. 2

    Aeromagnetic and tectonic analysis of the Upper Mississippi Valley zinc-lead district by Heyl, Allen V. (Allen Van), 1918-2008

    Published: U. S. Govt. Print. Off., 1966
    Description: 16 pages : maps ; 24 cm.
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    Aeromagnetic and tectonic analysis of the Upper Mississippi Valley zinc-lead district
  3. 3

    Zoning of the Bitter Creek vanadium-uranium deposit near Uravan, Colorado by Heyl, Allen V. (Allen Van), 1918-2008

    Published: U.S. G.P.O., 1957
    Description: pages iii, 187-201 : illustrations, maps ; 24 cm.
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    Zoning of the Bitter Creek vanadium-uranium deposit near Uravan, Colorado
  4. 4

    Exploratory drilling in the Prairie du Chien group of the Wisconsin zinc-lead district by the U.S. Geological Survey in 1949-1950 by Heyl, Allen V. (Allen Van), 1918-2008

    Published: [publisher not identified], 1951
    Description: i, 35 pages : illustrations, maps. ; 27 cm.
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    Exploratory drilling in the Prairie du Chien group of the Wisconsin zinc-lead district by the U.S. Geological Survey in 1949-1950
  5. 5

    Geologic structure map of the Beetown lead-zinc area, Grant County, Wisconsin by Heyl, Allen V. (Allen Van), 1918-2008

    Published: The Survey, 1952
    Description: 1 map : color ; 37 x 64 cm, on sheet 81 x 91 cm, folded in envelope 30 x 24 cm.
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    Geologic structure map of the Beetown lead-zinc area, Grant County, Wisconsin
  6. 6

    Preliminary seismotectonic map of the central Mississippi Valley and environs by Heyl, Allen V. (Allen Van), 1918-2008

    Published: U.S. Geological Survey, 1978
    Description: 1 map ; on two sheets 106 x 122 cm and 97 x 86 cm.
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    Preliminary seismotectonic map of the central Mississippi Valley and environs
  7. 7

    Oxidized zinc districts in California and Nevada by Heyl, Allen V. (Allen Van), 1918-2008

    Published: U.S. Geological Survey, 1964
    Description: 2 maps, color ; 84x74 cm folded in envelope 29 x 31 cm + 1 text (6 pages ; 28 cm).
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    Oxidized zinc districts in California and Nevada
  8. 8

    Zoning of the Bitter Creek vanadium-uranium deposit, Montrose County, Colorado by Heyl, Allen V. (Allen Van), 1918-2008

    Published: U.S. Dept. of the Interior, Geological Survey, 1954
    Description: 27 leaves : illustrations ; 29 cm.
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    Zoning of the Bitter Creek vanadium-uranium deposit, Montrose County, Colorado
  9. 9

    Oxidized zinc deposits of the United States. Part 2., Utah by Heyl, Allen V. (Allen Van), 1918-2008

    Published: U.S. G.P.O., 1963
    Description: vi, 104 pages : illustrations, maps (some color) ; 24 cm.
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    Oxidized zinc deposits of the United States. Part 2., Utah
  10. 10

    Oxidized zinc deposits of the United States. Part 3., Colorado by Heyl, Allen V. (Allen Van), 1918-2008

    Published: U.S. G.P.O., 1964
    Description: vi, C1-C98 pages : illustrations, maps (some color) ; 24 cm.
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    Oxidized zinc deposits of the United States. Part 3., Colorado
  11. 11

    Zinc-lead-copper resources and general geology of the upper Mississippi Valley district by Heyl, Allen V. (Allen Van), 1918-2008

    Published: United States Department of the Interior, Geological Survey, 1955
    Description: 1 online resource (iii, 227-245 pages, 1 page of plate) : illustrations, maps, charts.
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    Zinc-lead-copper resources and general geology of the upper Mississippi Valley district
  12. 12

    Zoning of the Bitter Creek vanadium-uranium deposit near Uravan, Colorado by Heyl, Allen V. (Allen Van), 1918-2008

    Published: [United States Department of the Interior, Geological Survey], 1957
    Description: 1 online resource (iii, 187-201 pages) : illustrations, maps.
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    Zoning of the Bitter Creek vanadium-uranium deposit near Uravan, Colorado
  13. 13

    Oxidized zinc deposits of the United States. Part 2, Utah by Heyl, Allen V. (Allen Van), 1918-2008

    Published: United States Department of the Interior, Geological Survey, 1963
    Description: 1 online resource (vi, 104 pages, 9 pages of plates) : illustrations, maps, charts, photographs.
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    Oxidized zinc deposits of the United States. Part 2, Utah
  14. 14

    Aeromagnetic and tectonic analysis of the Upper Mississippi Valley zinc-lead district : a magnetic study indicating major geologic structures in the basement rock which controlled... by Heyl, Allen V. (Allen Van), 1918-2008, King, Elizabeth R.

    Published: United States Department of the Interior, Geological Survey, 1966
    Description: 1 online resource (16 pages, 1 page of plates) : illustrations, color map.
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    Aeromagnetic and tectonic analysis of the Upper Mississippi Valley zinc-lead district : a magnetic study indicating major geologic structures in the basement rock which controlled in part the locations of overlying ore deposits
  15. 15

    Chromite and other mineral deposits in serpentine rocks of the Piedmont Upland, Maryland, Pennsylvania and Delaware by Pearre, Nancy C., Heyl, Allen V. (Allen Van), 1918-2008

    Published: United States Department of the Interior, Geological Survey, 1960
    Description: 1 online resource (vii, 707-833 pages. 8 pages of plates) : illustrations, maps.
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    Chromite and other mineral deposits in serpentine rocks of the Piedmont Upland, Maryland, Pennsylvania and Delaware
  16. 16

    Mercury and other trace elements in sphalerite and wallrocks from central Kentucky, Tennessee, and Appalachian zinc districts : a discussion of the mercury, cadmium, germanium, gal... by Jolly, Janice L. W., Heyl, Allen V. (Allen Van), 1918-2008

    Published: United States Department of the Interior, Geological Survey, 1968
    Description: 1 online resource (iii, 29 pages) : illustrations.
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    Mercury and other trace elements in sphalerite and wallrocks from central Kentucky, Tennessee, and Appalachian zinc districts : a discussion of the mercury, cadmium, germanium, gallium, and strontium content of sphalerite from ore deposits of the Central and Eastern United States
  17. 17

    Oxidized zinc deposits of the United States. Part 1, General geology by Heyl, Allen V. (Allen Van), 1918-2008, Bozion, C. N., 1919-

    Published: United States Department of the Interior, Geological Survey, 1962
    Description: 1 online resource (52 pages, 1 page of plate) : illustrations, maps.
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    Oxidized zinc deposits of the United States. Part 1, General geology
  18. 18

    The geology of the upper Mississippi Valley zinc-lead district by Heyl, Allen V. (Allen Van), 1918-2008, Flint, Arthur E., 1913-

    Published: United States Department of the Interior, Geological Survey, 1959
    Description: 1 online resource (x, 310 pages) : illustrations, maps + 24 plates.
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    The geology of the upper Mississippi Valley zinc-lead district
  19. 19

    Mineral belts in western Sierra County, New Mexico, suggested by mining districts, geology, and geochemical anomalies by Lovering, T. G. (Tom Gray), 1921-1996, Heyl, Allen V. (Allen Van), 1918-2008

    Published: Department of the Interior, U.S. Geological Survey, 1989
    Description: 1 online resource (v, 49 pages, 1 page of plates) : illustrations, maps.
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    Mineral belts in western Sierra County, New Mexico, suggested by mining districts, geology, and geochemical anomalies
  20. 20

    Jasperoids of the Pando Area, Eagle County, Colorado by Lovering, T. G. (Tom Gray), 1921-1996, Heyl, Allen V. (Allen Van), 1918-2008

    Published: United States Department of the Interior, Geological Survey, 1980
    Description: 1 online resource (iv, 36 pages) : illustrations, maps.
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    Jasperoids of the Pando Area, Eagle County, Colorado

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