Arizona Department of Mines and Mineral Resources

NOTE: Effective July 1, 2011, ADMMR was consolidated with AZGS.
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USGS Open File Reports

  • OFR 89-550 Sutphin. H.B., and Wenrich, K.J., 1989, Map of locations of collapse-breccia pipes in the Grand Canyon region of Arizona: U.S. Geological Survey Open-File Report 89-550, 1 sheet, scale 1:250,000 [north portion] 8.3 MB.
  • OFR 89-550 Sutphin. H.B., and Wenrich, K.J., 1989, Map of locations of collapse-breccia pipes in the Grand Canyon region of Arizona: U.S. Geological Survey Open-File Report 89-550, 1 sheet, scale 1:250,000 [south portion] 6.8 MB.
  • OFR 99-127 An Evaluation of Sand and Gravel Resources in and near the Prescott National Forest in the Verde Valley, Arizona
  • OFR 99-127 Color plate for OFR 99-127.

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