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• 0 <br />e0 <br />Division of Minerals and Geology SHB AGRA Project E92.7075 <br />'s Acid Potential of 4th Ridge Shale April 8, 1994 <br />=-' Dowe Flats Project Page (2) <br />Based on these results the potential for any acid generation from exposed 4th Ridge is low and no <br />remediation plan or revision to the reclamation plan is necessary. <br />Should you have any questions please do not hesitate to call. <br />Respectfully submitted, <br />SHB AGRA, Inc. <br />L <br />Glenn Ruckhaus, P.G. <br />Geologist <br />Rev 4us Dona PP. EE., EGG <br />Vice Presient <br />cc: Rob Helmick - Boulder County <br />/AZ <br />AGRA <br />Earth & Environmental Group