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  1. By: Bahls, Loren L. - Montana Environmental Quality Council.
    Publication info: Helena, Mont. :Environmental Quality Council, [etc.],1974-
    Holding Institution: Montana State Library (archive.org)
  2. By: Bahls, Loren L. - Miller, Marvin R.
    Publication info: Bozeman :Montana University Joint Water Resources Research Center, Montana State University,1975.
    Holding Institution: Montana State Library (archive.org)
  3. By: Bahls, Loren L. - Bahls, P. A. - Montana. Water Quality Bureau.
    Publication info: Helena, Mont. :L. and P. Bahls,1977.
    Holding Institution: Montana State Library (archive.org)
  4. By: Ingman, Gary L. - Bahls, Loren L. - Horpestad, Abraham A. - Montana. Water Quality Bureau.
    Publication info: Helena :State of Montana, Water Quality Bureau, Environmental Sciences Division, Dept. of Health and Environmental Sciences,1979.
    Holding Institution: Montana State Library (archive.org)
  5. By: Bahls, Loren L. - Horpestad, Abraham A. - Ingman, Gary L. - Montana. Water Quality Bureau.
    Publication info: Helena :State of Montana, Water Quality Bureau, Environmental Sciences Division, Dept. of Health and Environmental Sciences,1979.
    Holding Institution: Montana State Library (archive.org)
  6. By: Montana. Water Quality Bureau. - Bahls, Loren L.
    Publication info: Helena, Mont. :State of Montana, Water Quality Bureau, Environmental Sciences Division, Dept. of Health and Environmental Sciences,[1979]
    Holding Institution: Montana State Library (archive.org)
  7. By: Klarich, Duane A. - Bahls, Loren L. - Regele, Stephen M. - Geological Survey (U.S.) - Montana. Natural Resource Damage Program. - Montana. Water Quality Bureau. Billings Regional Office. - United States. Bureau of Land Management.
    Publication info: Billings, Mont. :Water Quality Bureau, Billings Regional Office, Environmental Sciences Division, Montana Dept. of Health and Environmental Sciences,[1980]
    Holding Institution: Montana State Library (archive.org)
  8. By: Bahls, Loren L. - Montana. Water Quality Bureau.
    Publication info: Helena, Mont. :State of Montana, Water Quality Bureau, Environmental Sciences Division, Dept. of Health and Environmental Sciences,[1981]
    Holding Institution: Montana State Library (archive.org)
  9. By: Ingman, Gary L. - Bahls, Loren L. - Weber, Erich E. - Cascade County Conservation District. - Montana. Water Quality Bureau. - Muddy Creek Special Water Quality Project. - Teton County Conservation District.
    Publication info: Helena, Mont. (Cogswell Building, Helena 59620) :Water Quality Bureau, Montana Department of Health and Environmental Sciences,[1984]
    Holding Institution: Montana State Library (archive.org)
  10. By: Bahls, Loren L. - Montana. Water Quality Bureau.
    Publication info: Helena, Mont. :Water Quality Bureau, Environmental Sciences Division, Dept. of Health and Environmental Sciences,[1985]
    Holding Institution: Montana State Library (archive.org)
  11. By: Phillips, Glenn R. - Bahls, Loren L. - United States. Environmental Protection Agency.
    Publication info: Helena :Montana Dept. of Fish, Wildlife and Parks?,[1994]
    Holding Institution: Montana State Library (archive.org)
  12. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :[Montana Dept. of Environmental Quality],1999.
    Holding Institution: Montana State Library (archive.org)
  13. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :[Montana Dept. of Environmental Quality],2001.
    Holding Institution: Montana State Library (archive.org)
  14. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :[Montana Dept. of Environmental Quality],1999.
    Holding Institution: Montana State Library (archive.org)
  15. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :[Montana Dept. of Environmental Quality],1999.
    Holding Institution: Montana State Library (archive.org)
  16. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :[Montana Dept. of Environmental Quality],1999.
    Holding Institution: Montana State Library (archive.org)
  17. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :[Montana Dept. of Environmental Quality],1999.
    Holding Institution: Montana State Library (archive.org)
  18. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :[Montana Dept. of Environmental Quality],1999.
    Holding Institution: Montana State Library (archive.org)
  19. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2000.
    Holding Institution: Montana State Library (archive.org)
  20. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2000.
    Holding Institution: Montana State Library (archive.org)
  21. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2000.
    Holding Institution: Montana State Library (archive.org)
  22. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :[Montana Dept. of Environmental Quality],2000.
    Holding Institution: Montana State Library (archive.org)
  23. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2000.
    Holding Institution: Montana State Library (archive.org)
  24. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2000.
    Holding Institution: Montana State Library (archive.org)
  25. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2000.
    Holding Institution: Montana State Library (archive.org)
  26. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2000.
    Holding Institution: Montana State Library (archive.org)
  27. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2000.
    Holding Institution: Montana State Library (archive.org)
  28. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2000.
    Holding Institution: Montana State Library (archive.org)
  29. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2000.
    Holding Institution: Montana State Library (archive.org)
  30. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2000.
    Holding Institution: Montana State Library (archive.org)
  31. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2001.
    Holding Institution: Montana State Library (archive.org)
  32. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2001.
    Holding Institution: Montana State Library (archive.org)
  33. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2001.
    Holding Institution: Montana State Library (archive.org)
  34. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2001.
    Holding Institution: Montana State Library (archive.org)
  35. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2001.
    Holding Institution: Montana State Library (archive.org)
  36. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2001.
    Holding Institution: Montana State Library (archive.org)
  37. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2001.
    Holding Institution: Montana State Library (archive.org)
  38. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :[Montana Dept. of Environmental Quality],2001.
    Holding Institution: Montana State Library (archive.org)
  39. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :[Montana Dept. of Environmental Quality],2001.
    Holding Institution: Montana State Library (archive.org)
  40. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2001.
    Holding Institution: Montana State Library (archive.org)
  41. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2001.
    Holding Institution: Montana State Library (archive.org)
  42. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :[Montana Dept. of Environmental Quality],2001.
    Holding Institution: Montana State Library (archive.org)
  43. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality
    Publication info: Helena, Mont. :[Montana Dept. of Environmental Quality],2001.
    Holding Institution: Montana State Library (archive.org)
  44. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2003.
    Holding Institution: Montana State Library (archive.org)
  45. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2003.
    Holding Institution: Montana State Library (archive.org)
  46. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2003.
    Holding Institution: Montana State Library (archive.org)
  47. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2003.
    Holding Institution: Montana State Library (archive.org)
  48. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2003.
    Holding Institution: Montana State Library (archive.org)
  49. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2003.
    Holding Institution: Montana State Library (archive.org)
  50. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2003.
    Holding Institution: Montana State Library (archive.org)
  51. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2003.
    Holding Institution: Montana State Library (archive.org)
  52. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2003.
    Holding Institution: Montana State Library (archive.org)
  53. By: Bahls, Loren L. - McCone County Conservation District. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2004.
    Holding Institution: Montana State Library (archive.org)
  54. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2004.
    Holding Institution: Montana State Library (archive.org)
  55. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2004.
    Holding Institution: Montana State Library (archive.org)
  56. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2004.
    Holding Institution: Montana State Library (archive.org)
  57. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2004.
    Holding Institution: Montana State Library (archive.org)
  58. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2004.
    Holding Institution: Montana State Library (archive.org)
  59. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2004.
    Holding Institution: Montana State Library (archive.org)
  60. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2004.
    Holding Institution: Montana State Library (archive.org)
  61. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :[Montana Dept. of Environmental Quality],2004.
    Holding Institution: Montana State Library (archive.org)
  62. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2004.
    Holding Institution: Montana State Library (archive.org)
  63. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2004.
    Holding Institution: Montana State Library (archive.org)
  64. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2004.
    Holding Institution: Montana State Library (archive.org)
  65. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2004.
    Holding Institution: Montana State Library (archive.org)
  66. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2004.
    Holding Institution: Montana State Library (archive.org)
  67. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2004.
    Holding Institution: Montana State Library (archive.org)
  68. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2004.
    Holding Institution: Montana State Library (archive.org)
  69. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2004.
    Holding Institution: Montana State Library (archive.org)
  70. By: Bahls, Loren L. - Montana. Dept. of Environmental Quality.
    Publication info: Helena, Mont. :Montana Dept. of Environmental Quality,2004.
    Holding Institution: Montana State Library (archive.org)