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u •- <br />Memo to Matt Hayes <br />Blue Ribbon NOV C-89-008 Abatement Plan <br />page 2 <br />piezometer open to the upper soil zone from 2 feet through 8 feet in depth. <br />In this way the two Piezometers, should provide monitoring of fluid levels in <br />the two isolated horizons. <br />With this one amendment, I recommend your acceptance of Mr. Stover's proposal <br />for repair of the 1989 surficial slump at Blue Ribbon mine bench. In my <br />opinion, this submittal would then satisfy the geotechnical requirements for <br />abatement of NOV C-89-008, issued to 61ue Ribbon Coal Company. <br />cc: Sue Mowry <br />