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TRAPPER MINE
<br />COMBINED DATA
<br />CRAIG, COLORADO
<br />JULY 10, 2003 THROUGH OCTOBER 14, 2003
<br />BLAST# DATE TIME PIT BLAST
<br />TYPE MATERIAL NUMBER
<br />OF HOLES AVG
<br />DEPTH TOTAL
<br />POUNDS POUNDS/
<br />DELAY DISTANCE
<br />(Ft) PPV
<br />(in/sec) FREQ
<br />(Hz) AIR
<br />(dB) EST-PPV
<br />(in/sec) LOCATION
<br />1 10-Jul "Flint" 12:43 Flintlock FIO MS OB(cast) 177 93 369,276 8,490 11,432 * * * 0.0715 Davis #1
<br />1 10-Jul "Flint" 12:43 Flintlock FIO MS OB(cast) 177 93 369,276 8,490 9,949 * * * 0.0893 Coy #2
<br />2 11-Jul "Z" 17:43 "Z" Zs5 P/Ql Parting 145 34 68,640 1,200 9,078 0.02500 16 106.0 0.0216 Davis #1
<br />2 11-Jul"Z" 17:43 "Z" Zs5 P/Ql Parting 145 34 68,640 1,200 5,349 0.03000 16 88.0 0.0504 Coy #2
<br />
<br />3 IS-Jul "Z" 18:05 "Z" Zs5 P/Q2 Parting 153 35 85,020 2,800 9,418 ** ** ** 0.0401 Davis #1
<br />3 15-Jul"Z" 18:05 "Z" Zs5 P/Q2 Parting 153 35 85,020 2,800 5,962 0.03000 - 90.7 0.0834 Coy #2
<br />4 18-Jul"Z" 8:45 "Z" Zs5 P/Q3 Parting 273 36 139,600 2,680 9,498 ** ** ** 0.0382 Davis #1
<br />4 18-Jul"Z" 8:45 "Z" Zs5 P/Q3 Parting 273 36 139,600 2,680 6,460 0.01000 - 90.7 0.0708 Coy #2
<br />
<br />5 21-Jul"Z" 10:07 "Z" CS Q seam Coal 130 6 794 104 9,294 ** ** **
<br />0.0029
<br />Davis #1
<br />5 21-Jul"Z" 10:07 "Z" CS Q seam Coal 130 6 794 104 5,551 0.00500 - 106.3 0.0067 Coy #2
<br />6 21-Jul"Z" 15:22 "Z" Zs5 P/Q Ramp Parting 36 30 13,600 1,220 9,603 ** ** ** 0.0200 Davis #1
<br />6 21-Jul "Z" 15:22 "Z" Zs5 P/Q Ramp Parting 36 30 13,600 1,220 7,189 0.00500 - 122.7 0.0318 Coy #2
<br />7 22-Jul"Ash" 11:04 Ashmore C43 H Seam Coal 228 6 1,375 140 10,590 ** ** ** 0.0030 Davis #1
<br />7 22-Jul "Ash" (1:04 Ashmore C43 H Seam Coal 228 6 1,375 140 3,792 0.01500 - 120.2 0.0157 Coy #2
<br />8 24-Jul "Z" 14:22 "Z" CS Q seam Coal 200 6.5 1,222 177 9,459 ** ** ** 0.0044 Davis #1
<br />8 24-Jul"Z" 14:22 "Z" CS Q seam Coal 200 6.5 1,222 177 6,195 0.00500 - 106.6 0.0086 Coy #2
<br />9 24-Jul "Flint" 19:42 Flintlock F10 M6 OB(cast) 230 85 405,060 8,700 10,837 ** ** ** 0.0794 Davis #1
<br />9 24-Jul "Flint" 19:42 Flintlock F10 M6 OB(cast) 230 85 405,060 8,700 9,747 0.00500 - 97.6 0.0941 Coy #2
<br />10 30-Jul"G.D." 14:02 Gatling Dip C3 H seam Coal 156 5.5 953 953 12,116 0.00438 4.8 107.0 0.0113 Davis #1
<br />ll
<br />• Instruments were not set up in time for the blest.
<br />•' Instnunents intemel memory was full.
<br />"' Corzup[ion of inslmments in[emal memory.
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