GENERAL33145

• Permit No: C1981021
• IBM Index Class Name: General Documents
• Doc Date: 8/4/1998
• Doc Name: PROPOSED DECISION & FINDINGS OF COMPLIANCE FOR RN4
• Permit Index Doc Type: FINDINGS
• Media Type: D
• Archive: No

Table of Contents
Page
Introduction ..................................................................1
Proposed Decision ............................................................2
Summary -The Review Process . .................................... ............. 3
Description of the Environment . ................................... ............. 3
Topography .............................................. .............3
Climatology .............................................. .............3
Geology ................................................. .............4
Soils ................................................... ..............7
Vegetation ............................................... .............7
Description of the Hydrologic Environment .......................... .............. 7
Surface Water ............................................ ..............7
Alluvial Valley Floors ..................................... ..............7
Groundwater ............................................ ..............8
Description of the Operations and Reclamation Plan ................... ............. 10
Findings of the Colorado Division of Minerals and Geology ............. ............. 12
Section A -Rule 2.07.6 ......................................... ............. 12
Section B -Rule 4 ............................................. .............15
I. Roads ............................................ .............15
II. Support Facilities ................................... .............16
III. Hydrologic Balance ................................. .............16
A. Surface Water ................................ .............17
B. Groundwater ................................ .............18
C. Surface and Groundwater Monitoring ............. ............. 18
D. Permanent Gully ............................. .............19
E. Water Rights ................................ .............19
F. Probable Hydrologic Consequences of Mining
on Surface Water ............................. .............19
G. Probable Hydrologic Consequences of Mining
on Groundwater .............................. .............20
H. Cumulative Hydrologic Impacts Study ............ ............. 21
N. Topsoil ........................................... .............21
V. Sealing of Drilled Holes and Underground Openings ....... ............. 22
VI. Use of Explosives .................................. .............22