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<br />Page 2 <br />.~~~..G ' ~ Mr. kIardaway <br />October 31, 1979 <br />- (eg. plant frequency, density, cover, productivity and diversity) along with <br />a vegetation map. The autumn results of the study are now available and <br />forthcoming. :tacar is currently monitoring ground water and will monitor the <br />effluent from the sediment pond when it is completed. <br />The bond amount was determined by adding the backfilling equipment costa <br />(2 yard dragline, D-E loader, and a aheepafoot vibratory roller) and the <br />i.,•.~,~~;;:.aeedbed:preparatioa and revegetation costa. The company has committed to <br />achieving 85:C proctor density in compacting the highwall fill material. <br />''.~. It is unfortunate that it's not always possible to synchronize the timing of <br />-t <br />.`r . <br />Y;~..y , <br />~:~ . <br />,,• _, <br />?: <br />~, , <br />permit approvals between our offices given the proceedural constraints. I <br />believe the :iacar permit from your standpoint might well be disposed as n minor .. <br />revision to an approved permit. The important revisionr. are the subsidence <br />control plan, sediment control system and provisions showin;, compliance with <br />the interim regulatory program. <br />If there is any way I can help you prepare a response to the 14ncar application, <br />please let me Y.nov. Ilaturally the coripany gill not corm~mue raining before <br />receiving the Office of Surface Miniu~ approval. <br />Sincerely, ,,: <br />J. David Ilalia <br /> <br /> ... <br />