2021-05-14_PERMIT FILE - C1981010

• Permit No: C1981010
• IBM Index Class Name: Permit File
• Doc Date: 5/14/2021
• Doc Name: Appendix W 2020 Report Section 1.0
• Type & Sequence: TR127
• Section_Exhibit Name: Appendix W 2020 Annual Reclamation Report Section 1.0
• Media Type: D
• Archive: No

Table 3.1. Drainage Reconstruction Summary for Trapper Mine (2020)
(No Draiange Reconstruction in 2020)
Drainage Model Inputs
Drainage Designation (Map 1)
Total Acreage
Average Curve Number
Average Slope
Total Storage Needed, ac-ft.
Capacity of Check Dam(s), ac-ft.
Capacity of Dozer Basin(s), ac-ft.
Dozer Basins Constructed
Check Dams Constructed
Required Number of Check Dams
Total Storage Completed, ac-ft.
BDN/GCR 3/21
M:\ANNUAL REPORTS\DRMS20RPT\20RECtab3-1