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  • Title: Ferricrete, manganocrete, and bog iron occurrences with selected sedge bogs and active iron bogs and springs in the upper Animas River watershed, San Juan County, Colorado
  • Author(s): Yager, D.B., Church, S.E., Verplanck, P.L., and Wirt, Laurie
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Miscellaneous Field Studies Map MF-2406
  • Publication Date: 2003
  • Map Scale: 1:24,000
  • Cross Section: None
  • North Latitude: 37° 55' 33" N (37.9258)
  • South Latitude: 37° 47' 54" N (37.7983)
  • East Longitude: 107° 33' 29" W (-107.5581)
  • West Longitude: 107° 46' 39" W (-107.7775)
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