PERMFILE134368

• Permit No: C1981022
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: Water Communication Potential from Overlying Workings /Abel, 1992
• Section_Exhibit Name: Exhibit 2.04-E4 Part 6
• Media Type: D
• Archive: No

Sanborn Creek Project Paqe 6 August 21, 1992
• Figure 1. Chimney collapse height calculation method.
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