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OF-99-08 Evaluation of Mineral and Mineral Fuel Potential of Sedgwick County State Mineral Lands Administered by the Colorado State Land Board (detail) OF-99-08 Evaluation of Mineral and Mineral Fuel Potential of Sedgwick County State Mineral Lands Administered by the Colorado State Land Board
OF-99-15 Evaluation of Mineral and Mineral Fuel Potential of Park County State Mineral Lands Administered by the Colorado State Land Board (detail) OF-99-15 Evaluation of Mineral and Mineral Fuel Potential of Park County State Mineral Lands Administered by the Colorado State Land Board
IS-44 Colorado Mineral and Mineral Fuel Activity IS-44 Colorado Mineral and Mineral Fuel Activity, 1997
IS-45 Active Permitted Mine Operations in Colorado IS-45 Active Permitted Mine Operations in Colorado, 1996-1997
IS-46 Snow and Avalanche: Colorado Avalanche Information Center Annual Report IS-46 Snow and Avalanche: Colorado Avalanche Information Center Annual Report, 1997-1998
IS-47 Geologic Hazards Avoidance or Mitigation: A Comprehensive Guide to State Statutes IS-47 Geologic Hazards Avoidance or Mitigation: A Comprehensive Guide to State Statutes, Land Use Issues and Professional Practice in Colorado