Revegetation and Weed Control Colorado Department of Agriculture Noxious Weed List NRCS Web Soil Survey CSU Shrub Study - 2005 Report (pdf) CSU Shrub Study - 2008 Report (pdf) Cheatgrass Technical Bulletin (pdf) Cheatgrass Literature Review (pdf) Fertilizing Revegetated Disturbed Lands (pdf) Wildlife Colorado Parks and Wildlife Threatened and Endangered Species Lists USFWS Colorado Threatened and Endangered Species Lists Hydrology Groundwater Monitoring and Protection (pdf)Floodplain Protection Standards (pdf) Air Quality Air Quality Requirements for Surface Mining Operations (pdf)