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Figure 4 <br />Seismograph Report <br />Colowyo Coal Co. <br />DatefTlms Long at 16:01:01 October 17, 2003 <br />Trlgger3ource Geo:0.O8001Ns <br />Range Geo :1.25 iNe <br />Reeord Time 8.25 sec (Auto=88ec) at 1024 ape <br />Job Number. ' 1 . <br />Notes <br />Locetlon: Ok Ranch <br />Client: Colovryo Coal <br />User Neme: Colovryo Coal Co. <br />Generel: <br />Serial Number BC7467 V 4.374.36 MInIMBte Plua <br />Battery Level 8.9 Volts <br />Callbntlon April 17, 2003 by Instantel Inc. <br />Flle Name 14878T2H.TP0 <br />U3BM RI8507 And OSMRE <br />Poet Event Notes <br />~ pw n <br />npr~ <br />N <br />~ <br />~An~irq the ~ . <br />DletencehamfheBlet~~ ~"" <br /> - <br />Microphone Linear Weighting ~ ,~ <br />PSPL 108.8 d6(L) et 2.446 eec e <br />ZC Fnq 3.1 HZ > <br />Channel Test Passed (Freq = 20.1 HZ Amp =840 mv) <br />' Tnn Vert Long <br />PPV 0.0312 0.0406 0.0731 INe <br />ZC Freq 7.8 11 7.4 ~ Hz <br />Time (Rel. fb Trig) .0.155 -0.003 0:008 eec . <br />Psak Aculentlon 0.00994 0.00829 0.0116 g <br />Puk Dleplaeemen[ 0.00080 0.00085 0.00139 'in <br />Semoroheck Passed Passed Passed <br />Peak Vector Sum 0.0782 INe at 0.008 eec <br /> <br />MILL <br />Long <br />Vert <br />Tnn <br /> <br /> <br /> <br /> <br /> <br /> <br /> 1.0 20 3.0 4.0 6.0 6.0 7.0 8.0 9.0 <br />Time Seels: 0.50 •erJdN Amplitude Soale: Geo: 0.0200 INeldiv Mia: 0.00100 pel(L)/div <br />Tri98er" ~ - -~ - - <br />Printed: DenmMr 1, 200.1 (V4.37 -4.77) Famet Copyriphtetl 1996-ZD01 <br />2.05-34c <br /> <br />0.0 <br />O.D <br />0.0 <br />0.0 <br />Revision Date: 12/19/03 <br />Revision No.: MR-61 <br />Fnqueney (Hz) <br />Tian: + Vert: x Long: e <br />