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HYDRO23787
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HYDRO23787
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Last modified
8/24/2016 8:44:08 PM
Creation date
11/20/2007 4:04:46 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981071
IBM Index Class Name
Hydrology
Doc Date
8/1/1997
Doc Name
1997 3RD QUARTER POND INSPECTION REPORT PN C-81-071
From
TWENTYMILE COAL CO
To
DMG
Permit Index Doc Type
SEDIMENT POND INSPECTIONS
Media Type
D
Archive
No
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<br /> <br />OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br />• <br />COLORADO YAMPACOALCOMPANY <br />MINE 1. MINE 2. ECKMAN PARK <br />fb1~~97 <br />POND H <br />RISER CREST = 6792.5; LOWEST HOLE = 6966.2 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ~ ~ ~iS~//o~E _ ~ 96(, ~$ <br />Sedimentlevel(% total storage) ~~ <br />Outnow(cfs>: o.a42~1/-..l~r-c.y - a.oc~og C•I'S <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments / <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />STRUCTURAL: <br />Burrows <br />Other <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Other <br />r/ <br />(/ <br /> <br />APPURTENANT STRUCTURES: <br />Defective Spillways / <br />Dewatering Device Clogged <br />Faulty Gates, Bafnes, Pumps <br />Other ~~ <br />ADDITIONAL COMMENTS: /"~~ <br />MAINTENANCE REQU <br />/S <br />I:/DOCUMENT/PON DINSP. DOC <br />
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