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HYDRO21428
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HYDRO21428
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Last modified
8/24/2016 8:42:54 PM
Creation date
11/20/2007 2:19:02 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1984062
IBM Index Class Name
Hydrology
Doc Date
5/1/1996
Doc Name
1996 1ST QTR POND INSPECTION REPORT PN C-84-062
From
TWENTYMILE COAL CO
To
DMG
Permit Index Doc Type
SEDIMENT POND INSPECTIONS
Media Type
D
Archive
No
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f <br />OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br />COLORADO YAMPA COAL COMPANY <br />MINE 3 <br />3 /30 /96 <br />EMERGENCY SPILLWAY = 6674.2 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ~6 7 Z <br />Sediment level (% total storage) /B`~ ~F~or~ <br />Outflow (cis): ~oNE <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br /> k $r1o~J COJ6~F~ <br />Rills & Gullies on Embankments <br />Inadequate Vegetation <br />Outlet Channel Erosion Y <br />Burrows _~ <br />Other <br />STRUCTURAL: <br />S <br />~°~ ~ cJ ~~~ <br />Differential Settling , <br />x <br />Cracks or Slides _~ <br />Seepage ( <br />Other ~ <br />APPURTENANT STRUCTURES; <br />Defective Spillways ~ <br />Dewatering Device Clogged <br />Faulty Cates, Baffles, Pumps ~ <br />Other _,~ <br />ADDITIONAL COMMENTS: ~ "~~~ <br />MAINTENANCE REQUIRED: ~'~E <br />1: DOCUEMNT/PON DIN SP. DOC <br />
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