Arsenic in groundwater in the Grand Canyon region and an evaluation of potential pathways for arsenic contamination of groundwater from breccia pipe uranium mining

• Fred D. Tillman ,

  Contributed equally to this work with: Fred D. Tillman, Kimberly R. Beisner, Casey J. R. Jones

  Roles Conceptualization, Formal analysis, Investigation, Project administration, Writing – original draft, Writing – review & editing

  * E-mail: ftillman@usgs.gov

  Affiliation U.S. Geological Survey, Arizona Water Science Center, Tucson, Arizona, United States of America

  https://orcid.org/0000-0002-2922-402X

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• Kimberly R. Beisner ,

  Contributed equally to this work with: Fred D. Tillman, Kimberly R. Beisner, Casey J. R. Jones

  Roles Formal analysis, Investigation, Writing – original draft, Writing – review & editing

  Affiliation U.S. Geological Survey, New Mexico Water Science Center, Albuquerque, New Mexico, United States of America

  https://orcid.org/0000-0002-2077-6899

  ⨯
• Casey J. R. Jones

  Contributed equally to this work with: Fred D. Tillman, Kimberly R. Beisner, Casey J. R. Jones

  Roles Data curation, Formal analysis, Investigation, Writing – original draft, Writing – review & editing

  Affiliation U.S. Geological Survey, South Atlantic Water Science Center, Columbia, South Carolina, United States of America

  https://orcid.org/0000-0002-6991-8026

  ⨯