2021-05-27_PERMIT FILE - C1981019 ‎(10)‎

• Permit No: C1981019
• IBM Index Class Name: Permit File
• Doc Date: 5/27/2021
• Doc Name: Geotechnical Stability Report For Highwall Mining At the Colowyo Coal Mine
• Section_Exhibit Name: Exhibit 23, Item 1
• Media Type: D
• Archive: No

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West Pit Southeast _ P -05 -07 "M -03 -0'
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South Taylor E Seam'
ST -07 -05 PST -01-06 Current South
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Legend
ST -08 -12 SST -06 -02 J� Surface Contours (CI =5.0')
ST -06 -04
ST -06 -13 (June 27, 2813)
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Drillhole
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227 -25 Colowyo [227-25-CAD Flgs 1- 25- FORMAT-ED,dwg Layout: F'. .- ocation Map]:ty /rj1(8 -12 -2013) CD
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Figure 1. Current South Taylor and West Pit Study Areas In Relation to Previous Highwall Mining Study Areas