2010-12-14_GENERAL DOCUMENTS - C1994082

• Permit No: C1994082
• IBM Index Class Name: General Documents
• Doc Date: 12/14/2010
• Doc Name: Proposed Decision & Findings of Compliance for RN3
• Permit Index Doc Type: Findings
• Email Name: SLB
• Email Name: SB1
• Media Type: D
• Archive: No

TABLE OF CONTENTS
Introduction ..................................................................................................................................... 1
Proposed Decision .......................................................................................................................... 2
Summarv ........................................................................................................................................ 9
The Review Process .................................................................................................................... 9
Description of the Environment .................................................................................................. 9
Geology and Topography ........................................................................................................ 9
Surface Water ........................................................................................................................ 11
Ground Water ........................................................................................................................ 12
Climate .................................................................................................................................. 13
Vegetation ............................................................................................................................. 14
Soils 14
Land Use ............................................................................................................................... 14
Wildlife ................................................................................................................................. 14
Description of the Operation and Reclamation Plans .............................................................. 15
Findings of the Colorado Division of Minerals and Geology .................................................. 17
Explanation of Findings ............................................................................................................ 17
SECTION A .............................................................................................................................. 17
Findings Required by Rule 2.07.6(2) .................................................................................... 17
SECTION B .............................................................................................................................. 21
1. Roads - Rule 4.03 ....................................................................................................... 21
II. Support Facilities - Rule 4.04 .................................................................................... 21
III. Hydrologic Balance - Rule 4.05 ................................................................................. 22
IV. Topsoil ........................................................................................................................29
V. Sealing of Drilled Holes and Underground Openings ............................................... 30
VI. Use of Explosives ...................................................................................................... 30
VII. Backfilling and Grading ............................................................................................. 31
VIII. Revegetation .............................................................................................................. 32
IX. Protection of Fish, Wildlife and Related Environmental Values ............................... 36
X. Operations on Alluvial Valley Floors ......................................................................... 37
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