Showing 1 - 60 results of 857 for search '"Geophysical investigations (Geological Survey (U.S.))"' Refine Results
  1. 1
    Published 1961
    Washington, D.C. : Department of the Interior, United States Geological Survey, 1961.
    Scale 1:24,000 (W 77°15ʹ00ʺ--W 77°07ʹ30ʺ/N 39°52ʹ30ʺ--N 39°42ʹ30ʺ).
    1 online resource (1 map).
    ...Geophysical investigations (Geological Survey (U.S.))...
    E-Resource Map U.S. Federal Government Document
  2. 2
    Published 1973
    Washington, D.C. : Department of the Interior, Geological Survey, 1973.
    Scale 1:250,000 ; polar stereographic projection, standard parallel 80°14ʹ (W 60°00ʹ--W 55°00ʹ/S 83°00ʹ--S 84°45ʹ).
    1 online resource (2 maps) : some color +
    ...Geophysical investigations (Geological Survey (U.S.))...
    E-Resource Map U.S. Federal Government Document
  3. 3
    by Henderson, John R.
    Published 1958
    [Reston, Va.] : Department of the Interior, United States Geological Survey, 1958.
    Scale 1:31,680 (W 74°22ʹ30ʺ--W 74°15ʹ00ʺ/N 41°15ʹ00ʺ--N 41°07ʹ30ʺ).
    1 online resource (1 map)
    ...Geophysical investigations (Geological Survey (U.S.))...
    E-Resource Map U.S. Federal Government Document
  4. 4
    by Zietz, Isidore, 1919-
    Published 1978
    Reston, Va. : Interior--Geological Survey, 1978.
    Scale 1:250,000 ; Transverse Mercator proj. (W 79⁰30ʹ--W 75⁰03ʹ/N 39⁰44ʹ--N 37⁰53ʹ).
    1 map ; 85 x 143 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  5. 5
    Published 1958
    Reston, Va. : The Survey, 1958.
    Scale 1:31,680 (W 74⁰45ʹ--W 74⁰37ʹ30ʺ/N 41⁰00ʹ--N 40⁰52ʹ30ʺ)
    1 map ; 44 x 33 cm., on sheet 51 x 57 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  6. 6
    Published 1958
    Reston : USGS, 1958.
    Scale 1:24,000.
    1 map ; 44 x 34 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  7. 7
    Published 1958
    Washington, D.C. : The Survey, 1958.
    Scale 1:31,680 (W 74⁰30ʹ--W 74⁰22ʹ30ʺ/N 41⁰00ʹ--N 40⁰52ʹ30ʺ)
    1 map ; 44 x 33 cm., on sheet 51 x 57 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  8. 8
    Published 1958
    Washington, D.C. : The Survey, 1958.
    Scale 1:31,680 (W 74⁰37ʹ30ʺ--W 74⁰30ʹ/N 40⁰52ʹ30ʺ--N 40⁰45ʹ)
    1 map ; 44 x 33 cm., on sheet 51 x 57 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  9. 9
    Published 1957
    Washington, D.C. : The Survey, 1957.
    Scale 1:63,360 (W 94⁰25ʹ--W 93⁰50ʹ/N 48⁰15ʹ--N 47⁰55ʹ)
    1 map : col. ; 75 x 75 cm., on 2 sheets, 90 x 103 cm., or smaller, folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  10. 10
    Published 1957
    Washington, D.C. : The Survey, 1957.
    Scale 1:63,360 (W 93⁰45ʹ--W 93⁰10ʹ/N 48⁰35ʹ--N 48⁰15ʹ]
    1 map : col. ; 60 x 68 cm., on 2 sheets 87 x 108 cm., or smaller, folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  11. 11
    Published 1958
    Washington, D.C. : The Survey, 1958.
    Scale 1:31,680 (W 74⁰45ʹ--W 74⁰37ʹ30ʺ/N 40⁰52ʹ30ʺ--N 40⁰45ʹ)
    1 map ; 44 x 34 cm., on sheet 51 x 57 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  12. 12
    Published 1958
    Washington, D.C. : U.S. Geological Survey, 1958.
    Scale 1:62,500 (W 124⁰15ʹ--W 124⁰00ʹ/N 46⁰45ʹ--N 46⁰30ʹ).
    1 map ; 45 x 31 cm., folded to 27 x 21 cm., in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  13. 13
    Washington, D.C. : U.S. Geological Survey, 1960.
    Scale 1:24,000.
    1 map ; 58 x 45 cm. folded to 26 x 21 cm. in envelope, 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  14. 14
    Washington, D.C. : U.S. Geological Survey, 1960.
    Scale 1:24,000.
    1 map ; 58 x 45 cm. folded to 26 x 21 cm. in envelope, 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  15. 15
    Published 1960
    Washington, D.C. : The Survey, 1960.
    Scale 1:24,000 (W 76⁰00ʹ--W 75⁰52ʹ30ʺ/N 40⁰30ʹ--N 40⁰22ʹ30ʺ)
    1 map ; 58 x 44 cm., on sheet 61 x 71 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  16. 16
    by Brown, R. D. (Richard D.)
    Published 1961
    Washington, D.C. : U.S. Geological Survey, 1961.
    Scale 1:31,680 (W 98⁰07ʹ30ʺ--W 98⁰00ʹ00ʺ/N 29⁰00ʹ00ʺ--N 28⁰52ʹ30ʺ)
    1 map ; 46 x 41 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  17. 17
    Published 1968
    Washington, D.C. : Interior--Geological Survey, 1968.
    Scale 1:24,000.
    1 map ; 58 x 43 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  18. 18
    Published 1963
    Washington, D.C. : The Survey, 1963.
    Scale 1:24,000 (W 72⁰37ʹ30ʺ--W 72⁰30ʹ/N 42⁰45ʹ--N 42⁰37ʹ30ʺ)
    1 map ; 58 x 43 cm., on sheet 56 x 70 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  19. 19
    Published 1962
    Washington, D.C. : The Survey, 1962.
    Scale 1:31,680 (W 74⁰00ʹ--W 73⁰52ʹ30ʺ/N 41⁰30ʹ--N 41⁰22ʹ30ʺ)
    1 map ; 44 x 33 cm., on sheet 48 x 56 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  20. 20
    Published 1961
    Washington, D.C. : The Survey, 1961.
    Scale 1:24,000 (W 77⁰07ʹ30ʺ--W 77⁰00ʹ/N 40⁰15ʹ--N 40⁰07ʹ30ʺ)
    1 map ; 57 x 44 cm., on sheet 60 x 71 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  21. 21
    Published 1961
    Washington, D.C. : The Survey, 1961.
    Scale 1:24,000 (W 77⁰15ʹ--W 77⁰07ʹ30ʺ/N 40⁰07ʹ30ʺ--N 40⁰00ʹ)
    1 map ; 58 x 44 cm., on sheet 61 x 71 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  22. 22
    Published 1962
    Washington, D.C. : The Survey, 1962.
    Scale 1:62,500 (W 68⁰15ʹ--W 68⁰00ʹ/N 46⁰15ʹ--N 46⁰00ʹ)
    1 map ; 45 x 31 cm., on sheet 44 x 58 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  23. 23
    Published 1962
    Washington, D.C. : The Survey, 1962.
    Scale 1:62,500 (W 68⁰00ʹ--W 67⁰45ʹ/N 46⁰15ʹ--N 46⁰00ʹ)
    1 map ; 44 x 31 cm., on sheet 45 x 58 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  24. 24
    Published 1961
    Washington, D.C. : The Survey, 1961.
    Scale 1:24,000 (W 77⁰00ʹ--W 76⁰45ʹ/N 40⁰15ʹ--N 40⁰00ʹ)
    1 map ; 115 x 88 cm., on sheet 105 x 126 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  25. 25
    Published 1995
    Reston, Va. : Denver, CO : The Survey ; For sale by Information Services, 1995.
    Scale 1:500,000 (W 159⁰00ʹ--W 144⁰00ʹ/N 66⁰00ʹ--N 61⁰00ʹ).
    4 maps on 2 sheets : col. ; 56 x 81 cm., or smaller, sheets 142 x 104 cm. and 142 x 91 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  26. 26
    Published 1997
    [Reston, Va.?] : Denver, CO : The Survey ; For sale by Information Services, 1997.
    Scale 1:250,000 (W 117⁰00ʹ--W 115⁰45ʹ/N 37⁰30ʹ--N 36⁰15ʹ)
    3 maps on 1 sheet : col. ; 58 x 47 cm., sheet 140 x 100 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  27. 27
    Published 1996
    Reston, Va. : Denver, CO : The Survey ; For sale by Information Services, 1996.
    Scale 1:500,000 (W 159⁰--W 144⁰/N 66⁰--N 61⁰).
    4 maps on 2 sheets : col. ; sheets 136 x 102 cm. and 136 x 88 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  28. 28
    Published 1992
    Reston, Va. : Denver, CO : The Survey ; For sale by Map Distribution, 1992.
    Scale 1:5,000,000 ; Albers equal area proj. (W 170⁰--W 65⁰/N 70⁰--N 20⁰).
    1 map : col. ; 61 x 99 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  29. 29
    Published 1949
    [Washington, D.C.] : The Survey, 1949.
    Scale ca. 1:63,360 (W 90⁰30ʹ--W 90⁰15ʹ/N 38⁰05ʹ--N 37⁰45ʹ)
    1 map ; on sheet 94 x 135 cm., folded in envelope 30 x 23 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  30. 30
    Published 1949
    [Washington, D.C.] : U.S. Geological Survey, 1949.
    Scale ca. 1:63,360 (W 90⁰45ʹ--W 90⁰30ʹ/N 38⁰15ʹ--N 38⁰).
    1 map ; on sheet 93 x 106 cm., folded in envelope 30 x 23 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  31. 31
    Published 1949
    [Washington, D.C.] : The Survey, 1949.
    Scale ca. 1:63,360 (W 90⁰45ʹ--W 90⁰30ʹ/N 37⁰45ʹ--N 37⁰30ʹ).
    1 map ; on sheet 95 x 106 cm., folded in envelope 30 x 23 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  32. 32
    Published 1949
    [Washington, D.C.] : The Survey, 1949.
    Scale ca. 1:63,360 (W 91⁰00ʹ--W 90⁰45ʹ/N 38⁰15ʹ--N 38⁰)
    1 map ; on sheet 94 x 106 cm., folded in envelope 30 x 23 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  33. 33
    Published 1949
    [Washington, D.C.] : U.S. Geological Survey, 1949.
    Scale ca. 1:63,360 (W 91⁰00ʹ--W 90⁰45ʹ/N 38⁰25ʹ--N 38⁰15ʹ)
    1 map ; on sheet 77 x 94 cm., folded in envelope 30 x 23 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  34. 34
    Published 1955
    Washington, D.C. : The Survey, 1955.
    Scale 1:62,500 (W 75⁰10ʹ00ʺ--W 74⁰30ʹ00ʺ/N 44⁰30ʹ00ʺ--N 44⁰15ʹ00ʺ)
    1 map : col. ; 85 x 45 cm., on sheet 56 x 112 cm., folded in envelope 30 x 26 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  35. 35
    Published 1988
    Reston, Va. : Denver, CO : The Survey ; For sale by Map Distribution, 1988.
    Scale 1:3,500,000-1:5,000,000 ; Albers equal area proj. (W 170₀--W 65₀/N 70₀--N 20₀).
    1 map : col., both sides ; 120 x 191 cm., on sheet 79 x 115 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  36. 36
    Washington, D.C. : U.S. Geological Survey, 1960.
    Scale 1:24,000.
    1 map ; 58 x 45 cm. folded to 26 x 21 cm. in envelope, 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  37. 37
    Published 1966
    Washington, D.C. : The Survey, 1966.
    Scale 1:24,000 (W 75⁰12ʹ30ʺ--W 75⁰00ʹ/N 40⁰37ʹ30ʺ--N 40⁰30ʹ)
    1 map ; 58 x 73 cm., on sheet 71 x 84 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  38. 38
    by Peterson, Donald L.
    Published 1968
    Washington, D.C. : U.S. Geological Survey, 1968.
    Scale 1:250,000 (W 113⁰30ʹ--W 111⁰00ʹ/N 33⁰45ʹ--N 32⁰20ʹ).
    1 map ; 65 x 96 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  39. 39
    Published 1963
    Washington, D.C. : The Survey, 1963.
    Scale 1:24,000 (W 77⁰07ʹ30ʺ--W 77⁰00ʹ/N 39⁰07ʹ30ʺ--N 39⁰00ʹ)
    1 map ; 58 x 46 cm., on sheet 61 x 71 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  40. 40
    Published 1963
    Washington, D.C. : The Survey, 1963.
    Scale 1:24,000 (W 73⁰00ʹ--W 72⁰52ʹ30ʺ/N 42⁰37ʹ30ʺ--N 42⁰30ʹ)
    1 map ; 57 x 43 cm., on sheet 55 x 70 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  41. 41
    Published 1964
    Washington, D.C. : The Survey, 1964.
    Scale 1:48,000 (W 118⁰15ʹ--W 117⁰45ʹ/N 34⁰13ʹ30ʺ--N 33⁰52ʹ30ʺ)
    1 map ; 82 x 96 cm., on sheet 94 x 101 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  42. 42
    Published 1964
    Washington, D.C. : The Survey, 1964.
    Scale 1:250,000 (W 96⁰45ʹ--W 94⁰00ʹ/N 49⁰00ʹ--N 47⁰00ʹ)
    1 map : col. ; 87 x 86 cm., on sheet 99 x 124 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  43. 43
    Published 1965
    Washington, D.C. : The Survey, 1965.
    Scale 1:316,800 (W 96⁰00ʹ--W 92⁰36ʹ/N 43⁰00ʹ--N 43⁰30ʹ)
    1 map ; 105 x 89 cm., on sheet 98 x 116 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  44. 44
    Published 1963
    Washington, D.C. : The Survey, 1963.
    Scale 1:24,000 (W 77⁰15ʹ--W 77⁰07ʹ30ʺ/N 39⁰07ʹ30ʺ--N 39⁰00ʹ)
    1 map ; 58 x 45 cm., on sheet 61 x 70 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  45. 45
    by Gilbert, Francis P.
    Published 1969
    Washington, D.C. : U.S. Geological Survey, 1969.
    Scale 1:24,000 (W 72⁰07ʹ30ʺ--W 72⁰00ʹ00ʺ/N 42⁰22ʹ30ʺ--N 42⁰15ʹ00ʺ)
    1 map ; 57 x 43 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  46. 46
    Published 1963
    Washington, D.C. : The Survey, 1963.
    Scale 1:24,000 (W 92⁰55ʹ00ʺ--W 92⁰50ʹ00ʺ/N 34⁰30ʹ00ʺ--N 34⁰23ʹ45ʺ)
    1 map ; 48 x 42 cm., on sheet 58 x 61 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  47. 47
    by Mabey, Don R., 1927-
    Published 1964
    Washington, D.C. : U.S. Geological Survey, 1964.
    Scale 1:250,000 (W 117⁰00ʹ--W 115⁰30ʹ/N 41⁰00ʹ--N 39⁰00ʹ)
    1 map : col. ; 72 x 104 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  48. 48
    Published 1963
    Washington, D.C. : The Survey, 1963.
    Scale 1:125,000 (W 98⁰00ʹ--W 97⁰00ʹ/N 31⁰00ʹ--N 30⁰15ʹ)
    1 map ; 67 x 77 cm., on sheet 79 x 88 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  49. 49
    Published 1963
    Washington, D.C. : The Survey, 1963.
    Scale 1:62,500 (W 109⁰55ʹ--W 109⁰35ʹ/N 32⁰25ʹ--N 32⁰15ʹ)
    1 map ; 30 x 50 cm., on sheet 43 x 66 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  50. 50
    Published 1963
    Washington, D.C. : The Survey, 1963.
    Scale 1:62,500 (W 110⁰45ʹ--W 110⁰30ʹ/N 32⁰45ʹ--N 32⁰30ʹ)
    1 map ; 44 x 38 cm., on sheet 56 x 58 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  51. 51
    Published 1963
    Washington, D.C. : The Survey, 1963.
    Scale 1:24,000 (W 73⁰00ʹ--W 72⁰52ʹ30ʺ/N 42⁰45ʹ--N 42⁰37ʹ30ʺ)
    1 map ; 57 x 42 cm., on sheet 55 x 69 cm., folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  52. 52
    by Gilbert, Francis P.
    Published 1968
    Washington, D.C. : U.S. Geological Survey, 1968.
    Scale 1:24,000 (W 72⁰30ʹ00ʺ--W 72⁰22ʹ30ʺ/N 42⁰07ʹ30ʺ--N 42⁰00ʹ00ʺ)
    1 map ; 58 x 46 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  53. 53
    by Gilbert, Francis P.
    Published 1968
    Washington, D.C. : U.S. Geological Survey, 1968.
    Scale 1:24,000 (W 72⁰22ʹ30ʺ--W 72⁰15ʹ00ʺ/N 42⁰07ʹ30ʺ--N 42⁰00ʹ00ʺ)
    1 map ; 58 x 46 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  54. 54
    by Gilbert, Francis P.
    Published 1968
    Washington, D.C. : U.S. Geological Survey, 1968.
    Scale 1:24,000 (W 72⁰15ʹ00ʺ--W 72⁰07ʹ30ʺ/N 42⁰07ʹ30ʺ--N 42⁰00ʹ00ʺ)
    1 map ; 58 x 46 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  55. 55
    Published 1969
    Washington, D.C. : Interior--Geological Survey, 1969.
    Scale 1:24,000 (W 72⁰30ʹ00ʺ--W 72⁰22ʹ30ʺ/N 42⁰00ʹ00ʺ--N 42⁰52ʹ00ʹ).
    1 map ; 63 x 43 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  56. 56
    by Kruger, C.L.
    Published 1969
    Washington, D.C. : U.S. Geological Survey, 1969.
    Scale 1:62,500 (W 71⁰35ʹ--W 71⁰05ʹ/N 45⁰00ʹ--N 44⁰45ʹ)
    1 map ; 43 x 70 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  57. 57
    Published 1969
    Washington, D.C. : Interior--Geological Survey, 1969.
    Scale 1:62,500.
    1 map ; 59 x 34 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  58. 58
    by Neuschel, Sherman K.
    Published 1969
    Washington, D.C. : Interior--Geological Survey, 1969.
    Scale 1:250,000 (W 94⁰30ʹ--W 92⁰30ʹ/N 46⁰00ʹ--N 44⁰45ʹ).
    1 map : col. ; 65 x 68 cm. folded in envelope 30 x 24 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  59. 59
    by Gilbert, Francis P.
    Published 1969
    Washington, D.C. : U.S. Geological Survey, 1969.
    Scale 1:24,000 (W 72⁰37ʹ30ʺ--W 72⁰30ʹ00ʺ/N 42⁰30ʹ00ʺ--N 42⁰22ʹ30ʺ)
    1 map ; 57 x 43 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print
  60. 60
    by Gilbert, Francis P.
    Published 1969
    Washington, D.C. : U.S. Geological Survey, 1969.
    Scale 1:24,000 (W 72⁰37ʹ30ʺ--W 72⁰30ʹ00ʺ/N 42⁰22ʹ30ʺ--N 42⁰15ʹ00ʺ)
    1 map ; 57 x 43 cm.
    ...Geophysical investigations (Geological Survey (U.S.))...
    Map U.S. Federal Government Document Print