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HYDRO20789
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HYDRO20789
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Entry Properties
Last modified
8/24/2016 8:42:39 PM
Creation date
11/20/2007 1:46:15 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980005
IBM Index Class Name
Hydrology
Doc Date
6/8/1992
Doc Name
ANNUAL EMBANKMENT INSPECTION SENECA II MINE STIPULATION 5 TO PN C-80-005
From
PEABODY COAL CO
To
MLRD
Permit Index Doc Type
PROF POND CERTIFICATIONS
Media Type
D
Archive
No
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pQ_4 <br />PEABODY COAL COMPANY <br />Wssts~n Dlvl~lon <br />iii iiiiiiiiiiiu iii <br />999 <br />June 2, 1992 <br />1300 South Yale <br />Fla9staH, Arizona 66001 <br />(602) 77x5253 <br />h,~ ~~~ ~ <br />~~ <br />UN 81982 <br />Ms. Susan Morrison <br />Colorado Mined Land <br />Reclamation Division <br />1313 Sherman Street <br />Mine <br />Re~i,,~».~ Lana <br />'^n n:. <br />,:~~ <br />Room 215 <br />Denver, Colorado 80203 <br />RE: Annual Embanlunent Inspection - Seneca II Mine <br />Stipulation 5 to Permit No. C-80-005 <br />Dear Ms. Morrison: <br />Stipulation 5 to Permit No. C-80-005 is as follows: <br />"The embankment must be inspected annually, or <br />within 10 days following any storm whose backwater <br />elevation exceeds the elevation of 6941.1 feet <br />above sea level (10-year, 24-hour maximum storm <br />event's projected backwater elevation), by a <br />qualified Geotechnical Engineer or Engineering <br />Geologist. A letter of certification containing <br />the results of the inspection must be submitted to <br />the Division within two weeks following the <br />inspection." <br />In accordance with this stipulation, I, Ronald <br />J. Gehrke, Colorado P.E. 19959, inspected the <br />subject embankment on May 27, 1992 and do herewith <br />submit my report of findings: <br />Chronology <br />A. July 14, 1981: F.M. Fox and Associates <br />submitted a report on their geotechnical <br />slope stability investigation of the <br />embankment. The report concluded that <br />the embankment was stable with a minimum <br />
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