2023-01-05_PERMIT FILE - C1981019A ‎(14)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 1/5/2023
• Doc Name: Tables
• Section_Exhibit Name: Volume 15 Tables
• Media Type: D
• Archive: Yes

Table 2.04.6-6 Overburden Drillhole Summary
Drill Hole
Number
Section
Location
of Drill
Hole
Mining Area
Total Drill
Hole Depth (ft)
Thickness
of Coal (ft)
Thickness of
Overburden (ft)
Thickness of
Unsuitable
Overburden (ft)
Unsuitable
Overburden (%)
Unsuitable Constituents
C-04-04
1 34
Collom Lite
774.5
111.2
663.3
233.65
35.23%
pH, EC, SAT, SAR, Se
C-04-14
35
Collom Lite
450.3
96.0
354.3
95.15
26.86%
SAT, SAT, Se
C-04-25
2
Collom Lite
760.7
121.0
639.7
199
31.11%
pH, SAT, SAR, Se, Mo
C-04-36
1
Collom Lite
750.8
140.2
610.6
168.95
27.67%
pH, SAT, SAR, Se, ABP
C-05-26
11
Collom Lite
658.0
104.5
553.5
325.8
58.86%
pH, SAT, SAR
C-05-32
12
Collom Lite
1 818.2
158
660.7
315.95
47.82%
pH, SAT, SAR, Se
Total
1
1 4212.5
730.51
3482.11
1338.5
38.44%
pH, EC, SAT, SAR, Se, Mo, ABP
I Section Location: Section of drill hole location, T3N, R94W, 6PM
Unsuitable = One or more parameters in the marginal or unsuitable range as defined in (WDEQ-LQD),
Guideline No. 1, Topsoil and Overburden, Table I-4 (August, 1994). (Table 2.04.6-5)