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IndusWal Seismology, Inc.~~- <br />Southwestern Portland Cement Company <br />Lyons Quarry <br />Shot Na. 1879 <br />Date: February 8, 1993 Time: 10:.3{7 AM kanges: 1 Mb 1 In~`.~ec I.O.: 120 <br />Ar10~~S15 R~SU~tS ---------------------- <br />i;hannel: Acoustic Radial Vertical irans5aerse <br />Peak Amplitude: U.31 hob 123.8 dB 0.07 In~Sec [7.07 In~Sec 0.10 In~~Sec <br />f-requency: ?.U H~ 17.9 Hz 25.0 H~ 8.~3 Hz' <br />-- --- Seismogram -- ---------------- <br />[7ota Scale: Acoustic = 0.10 f~Ib~Div Seismic = ~J.020 IPS~Div Time 5rale = U,1{i sec f'Di~i <br />Acoustic =~-~--~-------,,, ~~,-~---- -~-~--------- - - -------- <br />Radial _ -~~~ ~~+~-~~+~~- <br />Transverse ~ • ---"~ ;~~~===Y-~-w-~--„~-~-.,~ <br />IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII <br />