2008-01-16_APPLICATION CORRESPONDENCE - C2008086 ‎(2)‎

• Permit No: C2008086
• IBM Index Class Name: Application Correspondence
• Doc Date: 1/16/2008
• Doc Name: Preliminary Draft Environmental Impact Statement/Subsidence Figures 1 to 15
• Media Type: D
• Archive: No

70
so

t
50
.~
._
~ 40
0
o Subsidence(%)=+8.469+11.95 In ~L,Y,~(~rj~
v
~ 30 r2=0.949 SyX=4.77%
L.max = 4.788x1051 Y- R
20 Y =Density (PCF)
R =Extraction Ratio
• H =Mining Height (ft)
10 W =Pillar Width (ft)
D = De th (ft)
~0 20 40 60 80 100
Lmmc(H/~1