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<br />• <br />• <br />Geosonics Inc. <br />REPORT <br />TO <br />GREG I.EWIC3(I ADD AS90CIA'1FS <br />1645 Oourt Place <br />Spite 309 <br />Denver, CO 80202 <br />DATE <br />July 3, 1969 <br />SUBJECT <br />VIBRATION STUDY: Determination of Vibration <br />Limits for Blasting near an Operating Pipeline <br />at the Rimrock Mine -July 3, 1989 <br />COPY NUMBER ~ <br />