PERMFILE46057

• Permit No: C1981010
• IBM Index Class Name: Permit File
• Doc Date: 3/13/1992
• Section_Exhibit Name: Appendix W 1991 Report Letter & TOC
• Media Type: D
• Archive: No

s
TR9PPER MINING INC.
March 11, 1992
CERTIFIED #P568141859
Mr. Kent Gorham
Colorado Mined Land Reclamation Division
215 Centennial Bldg.
1313 Sherman St '
Denver, CO 80203
Dear Kent
Subjecu Technical Revision 62 (TR~2). 1991 Annual Report, Appendix W, Sections 1-7
Trapper Mine's Annual Report for 1991 is composed of seven sections. Section 1.0 reports 1991 reclama-
tion activity as specified in Section 2.04.13 of the Colorado Mined Land Reclamation Board Regulations for
Coal Mining. All appropriate maps are enclosed.
Section 2.0 is the Annual Hydrology Report and is composed of nine subsections. Subsection 29 is a pro-
posal to modify Trapper's groundwater sampling frequency.
2.1 Climatological Data
2.2 Pit Dewatering and Consumptive Water Use for 1991
2.3 Mining Advancement and Ash Disposal
2.4 Monitoring Pbintc
2.5 Hydrological Data (Hydro-Engineering Inc report)
26 Hydrological Trends
2.7 Spoil Spring Sampling
2.8 Monitoring We11 Abandonment
2.9 Proposed Hydrological Monitoring Frequenry Reductions for 1992
Section 3.0 is a report on Trapper's drainageway reconswction efforts 1987-91. It consists of a narrative
segment desrnbing our reconstruction methods and results as well as a map showing the ]orations of our
drainageway reconstruction efforts minewide. In 1991, approximately 6,500 feet of drainage reconsWCtion
was performed',in Johnson and East Buzzard Gulches. Peak flow data from the 10-year, 24-hour parsha0
flume located in.Coyote drainage are included.
Section 4.0 is the recontoured spoil sampling section. This section includes site specific spoil analysis data
and a map showing spoil texture and sample identifica[ion numbers Cor Ashmore pit only.
Section 5:0 is a narrative and map showing topsoil stockpiles constructed in 1991 and proposed 1992 topsoil
stockpile locations. Additionally, the map has been updated to show all existing topsoil stockpiles minewide.
with appropriate identification numbers. The narrative and accompanying table describes topsoil stockpile
locations, size and approximate volumes. Included is a single topsoil pile constructed in early 1992 and
located north of the Middle Ashmore pi[ hautroad ramp #1.
Section 6.0 titled Livestock Ponds is a map, narrative and revised table showing the actual locations of ponds
constructed in 1991 and proposed locations for ponds which may be constructed in 1992 Appropriate cor-
respondence (Qualified Impoundment Inspector) verifying pond conswction standards and specifications is
enclosed.- '
P.0. Box 187
Craig, Colorado 81626
[phone]