GENERAL33552

• Permit No: C1981010
• IBM Index Class Name: General Documents
• Doc Date: 3/11/2004
• Doc Name: Blasting Study
• From: Trapper Mining Inc.
• To: DMG
• Permit Index Doc Type: Blasting
• Media Type: D
• Archive: No

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TRAPPER MINE
COMBINED DATA
CRAIG, COLORADO
JULY 10, 2003 THROUGH OCTOBER 14, 2003

BLAST #
DATE
TIME
PIT BLAST

TYPE
MATERIAL NUMBER

OF HOLES AVG

DEPTH TQTAI.

POUNDS PQiiNi1S /

DELAY i11STAlV('F.
- -
(Ft) PPV

(in/sec) FRFQ

(Hz) AiR

(dB) F$T-PPV
-
(in/sec)
LOCA'T'ION
29 9-Sep "Flint" 11:25 Flintlock Ramp 5 Reshoot OB 44 23 11,954 543 9,724 0.00625 IS 105.0 0.0103 Davis #1
29 9-Sep "Flint" 11:25 Flintlock Ramp 5 Reshoot OB 44 23 11,954 543 13,234 *** *** *** 0.0063 NE Cor #3
30 12-Sep "Flint" 14:43 Flintlock Ramp 5 Reshoot OB 28 11 1,898 136 9,986 0.00438 13 122.0 0.0033 Davis #1
30 12-Sep "Flint" 14:43 Flintlock Ramp 5 Reshoot OB 28 I1 1,898 136 13,222 ««s s«« «s« 0.0021 NE Cor #3
31 12-Sep "Z" 16:56 "Z" Zs6 P/L2&Presp OB(cast) 226 60 297,311 '.5,309 9,771 0.02130 9.5 128.0 0.0631 Davis #1
31 12-Sep"Z" 16:56 "Z" Zs6P/L2&Presp OB(cast) 226 60 297,311 5,309 9,798 *** *** *** 0.0629 NECor#3

32 15-Sep "G.S." 16:25 Gatling Strike Gs4 P/LL2 Parting 133 10 6,788 154 10,998 0.00563 23 119.0 0.0031 Davis #1
32 IS-Sep"G.S." 16:25 Gatling Strike Gs4P/LL2 Parting 133 10 6,788 154 5,676 *** *** *** 0.0089 NECor#3
33 17-Sep "G.S." 15:05 Gatling Strike Gs4 P/LL3 Parting 254 11 13,474 212 11,007 0.00500 11 114.0 0.0040 Davis #I
33 17-Sep "G.S." 15:05 Gatling SVike Gs4 P/LL3 Parting 254 ] ] 13,474 212 5,7] ] *** *** *** 0.0113 NE Cor #3
34 18-Sep"Flint" 16:21 Flintlock F10 P/Q7 Parting 182 22 52,890 1,162 11,594 0.00813 7.8 108.0 0.0142 Davis #1
34 18-Sep"Flint" 16:21 Flintlock F10 P/Q7 Parting 182 22 52,890 1,162 13,464 *** *** *** 0.0112 NECor#3

35 22-Sep "G.S." 16:45 Gatling Strike Gs4 East Ramp Parting 63 28 18,073 574 10,865 0.03310 16 111.0 0.0090 Davis #1
35 22-Sep"G.S." 16:45 Gatling Strike Gs4 East Ramp Parting 63 28 18,073 574 5,143 *** *** *** 0.0297 NECor#3
36 24-Sep "G.S." 18:10 Gatling Strike Gs4 P/LL4 Parting 298 17 45,558 612 10,866 0.01250 9.3 113.0 0.0095 Davis #1
36 24-Sep "G.S." 18:10 Gatling Strike Gs4 P/LL4 Parting 298 17 45,558 612 6,136 *** *** *** 0.0236 AIE Cor #3
37 25-Sep "Z" 17:32 "Z" Zs6 P/M] Parting 430 20 72,750 674 9,416 0.00500 15 108.0 0.0128 Davis #1
37 25-Sep"Z" 17:32 "Z" Zs6 P/Ml Parting 430 20 72,750 674 8,662 *** *** *** 0.0147 NECor#3
38 26-Sep "G.S." 12:10 Gatling Strike Gs4 East Ramp Parting 123 22 30,563 493 10,899 0.00875 20 111.0 0.0079 Davis #1
• Inshuments were not set up in time for the blss[.
•• Instruments intemnl memory wu full.
•^ Conuption of instruments intemel memory.