2010-12-21_REPORT - M1977004

• Permit No: M1977004
• IBM Index Class Name: REPORT
• Doc Date: 12/21/2010
• Doc Name: 2010 annual geotechnical report
• From: Home Stake
• To: DRMS
• Email Name: RCO
• Media Type: D
• Archive: No

Homas[aka 2010 Geotechnical Observations
Pitch Ra ia.r,ati- Projaat Indian Creek and Tie Camp Creek Waste Rock Dumps
T.ei.1: Ptsoh Pr -J.« - D.pth ro W.>:.r i. W..r. R-k Dump Piaz=m.r.rs {r»• w.ow yw...,a ...r.u .r.oi... (bgs)}

Nor No. No. N.. N.r N.r No.
N.r C.....ra C.....r.a C.......a C.....r.a D..r.., «, C.i.»r.a C...»...? C...»r.a C...»r.a
N.e
N.r N.. N.r N.r N.r C.....rw N-
N- C.....ea C.....rw C.u..r.a C.11-r.a " C.11-r.a C.11-r.a C..I..r.a
N.r N.r N.r N.r N.r N.. N.r
N.r C.ii-a C.ii..r.a C...»r.a C.....r.a " C.11-..a C.....r.a C.11-r.a C...»r.a
N.r N.r N.r N.r N.r N.r N-
N- C.....r.a /?
W....r.a C.11..t C.o..»ba " C...»ba C.....r.a , C.u»r a C...»r.a
5114110 201.90 251.30 223.25 188.00 219.85 189.00 169.00
6111110 201.90 245.50 221.50 188.00 215.50 42.90 167.17
717110 201.86 251.68 225.72 188.00 220.45 188.70 168.15
813110 201.90 252.28 226.52 188.10 220.54 63.42 168.15
913110 201.90 252.29 226.95 188.10 222.71 188.80 168.00
1011110 201.85 252.29 226.95 188.10 222.71 188.82 168.57
1111110 201.88 252.27 227.76 188.20 225.48 169.65 168.88
1216110 201.88 252.34 228.10 188.40 224.20 188.90 168.86
A,....9. a.pr., 201.88 251.24 225.84 188.23 221.43 188.84 168.35
2010 M...........
D,--..a.i 0.05 6.84 6.60 WA 0.40 9.98 0.30 1.83
Data points in red font appear to be outliers due to sediment and corrosion built up in casing and not included in the
average depth and maximum differential.
Homestake Pitch Reclamation Project Page 4
2010 Annual Geotechnical Report December 20, 2010
M-1977-004HR 2010AnnualGeotechnicalReportText_Final.doc