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<br />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 />20 15-Aug "G.S." 11:15 Gatling Strike Gs4 P/LL2/ramp Parting 210 17 ]6,250 880 10,913 0.00688 19 113.0 0.0126 Davis #1
<br />20 15-Aug "G.S." 11:15 Gatling Strike Gs4 P/LL2/ramp Parting 210 17 16,250 880 4,526 0.02000 24 121.0 0.0514 Coy #2
<br />
<br />21 18-Aug "Z" 12:25 "Z" CS Q seam Coal 219 5.5 1,332 165 9,328 0.00438 12 102.0 0.0042 Davis #I
<br />21 18-Aug"Z" 12:25 "Z" CS Q seam Coal 219 5.5 1,332 165 5,793 0.00500 8.4 108.0 0.0091 Coy #2
<br />22 20-Aug "G.S." 15:13 Gatling Strike Gs4 P/LL Ramp Parting 177 44 97,533 3,819 10,110 0.03000 l2 109.0 0.0459 Davis #1
<br />22 20-Aug "G.S." 15:13 Gatling Strike Gs4 P/LL Ramp Parting 177 44 97,533 3,819 4,244 0.05190 18 118.0 0.1842 Coy #2
<br />23 21-Aug "Z" 17:30 "Z" Signature Test OB 1 60 1,200 1,200 9,937 0.03310 10 100.0 0.0187 Davis #1
<br />23 21-Aug "Z" 17:30 "Z" Signature Test OB 1 60 1,200 1,200 6,441 0.01880 >l00 I I5.0 0.0374 Coy #2
<br />24 22-Aug "Flint" 9:12 Flintlock F10 M8 OB(CaSt) 120 68 160,410 5,220 9,762 0.04190 5 110.0 0.0624 Davis #1
<br />24 22-Aug"Flint" 9:12 Flintlock F]OM8 OB(cast) ]20 68 160,410 5,220 9,394 0.02880 13 102.0 0.0663 Coy#2
<br />
<br />25 27-Aug "Z" 14:50 "Z" Zs6 P/Ll&Presp OB(cast) 282 70 411,759 6,900 9,472 0.03310 8 117.0 0.0818 Davis #1
<br />25 27-Aug "Z" 14:50 "Z" Zs6 P/Ll&Presp OB(cast) 282 70 411,759 6,900 5,593 0.03690 2.8 116.0 0.1901 Coy #2
<br />26 28-Aug "Flint" 15:01 Flintlock F10 P/Q3 Parting 113 30 45,700 2,360 13,743 0.00563 4.4 110.0 0.0191 Davis #1
<br />26 28-Aug "Flint" 15:01 Flintlock F10 P/Q3 Parting 113 30 45,700 2,360 14,098 0.00375 4.3 106.0 0.0184 NE Cor #3
<br />
<br />27 4-Sep "G.S." 19:04 Gatling Strike Gs4 Redrills Parting 209 23 64,139 1,006 10,270 0.01750 14 112.0 0.0154 Davis #1
<br />27 4-Sep "G.S." 19:04 Gatling Strike Gs4 Redrills Parting 209 23 64,139 1,006 5,988 0.02000 26 114.0 0.0365 NE Cor #3
<br />28 8-Sep "Z" 15:20 "Z" C12Sc I seam Coal 454 6 2,774 122 10,409 0.00750 11 121.0 0.0028 Davis #1
<br />28 8-Sep"Z" 15:20 "Z" C12ScIseam Coal 454 6 2,774 122 9,324 *** *** *** 0.0033 NE Cor#3
<br />' • Instruments were no[ set up in time for Ute blazt.
<br />;' Instruments m[emal memory waz full.
<br />•• Corruption of instruments internal memory.
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