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Showing 1 - 8 results of 8 for search '"60 Minutes"', query time: 0.52s Refine Results
  1. 1
    “...The Geologic Map of the Bedford 30- x 60-minute Quadrangle shows the Mississippian and lower...”
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    Article in Journal/Newspaper
  2. 2
    “...The map describing the Quaternary geology of the Elkhart 30- x 60-minute quadrangle documents...”
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    Article in Journal/Newspaper
  3. 3
    “...The Quaternary Geology of the eastern South Bend 30- x 60-Minute Quadrangle in Indiana represents...”
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    Article in Journal/Newspaper
  4. 4
    by Geological Survey (U.S.)
    Published 1984
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    Map
  5. 5
    by Geological Survey (U.S.)
    Published 1985
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    Map
  6. 6
    by Geological Survey (U.S.)
    Published 1991
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    Map
  7. 7
    by Geological Survey (U.S.)
    Published 1985
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    Map
  8. 8
    by Geological Survey (U.S.)
    Published 1992
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    Map
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