|
r�l
<br />TEMPORARY IMPOUNDMENT #1
<br />DAM CROSS SECTION
<br />SCALE 111 = 101
<br />ELEVATION
<br />12 CREST OF DAM Elev. 8265
<br />I
<br />8288 - MAX WATER LEVEL EMERGENCY SPILLWAY Elev. 8262.5
<br />8266 - :6.0 lev. 8262
<br />8264 I
<br />ACRE -FT RIP -RAP at EMERGENCY
<br />-
<br />- - - -- SPILLWAY
<br />8262
<br />8260 - r--2- 2
<br />8258
<br />8256
<br />8254
<br />BASE OF DAM Elev. 8254
<br />FUTURE MINING AREA
<br />TO NORTHWEST
<br />TEMPORARY IMPOUNDMENT #1
<br />EMERGENCY SPILLWAY
<br />SCALE 1 11 = 51
<br />- - - -12i I
<br />I L
<br />3 I
<br />I•� 3'-s -I
<br />IN -MINE DRAINAGE DITCH SECTION (MIN)
<br />SCALE I"= 21
<br />6'
<br />Freeboard III
<br />III-
<br />1.5'
<br />1 -111=
<br />e
<br />R 78 `A/ TRADED AREA
<br />78 TRADED
<br />HAUL ROAD DELETED
<br />-- , TO WALDEN (.2 acres
<br />IN
<br />1
<br />\ ♦ ; \\ I .- ter. _... -`` :, ... � \� �- .,L.. ,� , � �P ..•. •,r
<br />♦ x V' PROBABLE FUTURE COAL
<br />�
<br />V '♦ , V�\ CRUSHING, STOCKPILING, _ / � �� ' '• �" '� � i l; I I I � � Old� 1
<br />\♦ '� \ �\ OFFICE AND SHOP FACILI-TIES
<br />IOR- / ice/ \ \ � ♦ .. � ', I I � � ' /1 � - �/�� /// �'
<br />\ \ ♦ ♦ 1
<br />T \ ( - r
<br />TIP
<br />8 TOPSOIL \\ \ \ ♦\ \ \\ - \y\oo
<br />I y \ STOCKPILE \\ \ \ \ /,-
<br />N \\ \ \ 50 ft DISTURBED/
<br />x/ \ \\ \ • PHASE \ , AREA BOUNDARY )`
<br />\ \ \ \ AROUND PIT LMIT
<br />� \ \ \♦ (IZS Acres), �.�; \\ �-' p` �
<br />CHANNEL CROSS SECTIONS \\ u .L '� �" / I r- PRESENT PERMIT
<br />IN PROPOSED MINE AREA \ \ ♦ 1
<br />\' \ : • � .._ ---�< �� � � - "' .., BOUNDARY
<br />♦ r • r
<br />PIT
<br />LIMIT \ ♦ 0 or ' �' -
<br />I ♦ r , 4 /
<br />\ 30 Ir
<br />2 e ♦ 8 1
<br />6310 �1 1
<br />OO ■c ♦ 8380
<br />\\ ; ; ; I I t j
<br />BIG ' r 6380
<br />2A
<br />SAGEBRUS H
<br />REFERENCE 1 50 • - -.
<br />1 AREA " >q 83
<br />1 , A©
<br />0.
<br />J mil_
<br />2B
<br />0
<br />MAIN CHANNEL I YY r li ,
<br />_ ..
<br />ECOLOGICAL °" HASE
<br />r
<br />r % /
<br />r
<br />/j
<br />I
<br />PHAS 5
<br />X
<br />o
<br />(11.0 Acres) OVERBURDEN
<br />STOCKPILE
<br />i
<br />CRUSHED
<br />COAL to
<br />1 r 6
<br />/ STORAGE
<br />% AO i
<br />RUCK DUMP
<br />RUSHER PHASE 0 /
<br />k �
<br />(15A Acres) 1
<br />5 0 1
<br />2
<br />JB %r _ /SUMP) /
<br />OFFICE
<br />S o!f �/ TOPSOIL
<br />SHOP
<br />0 - ♦ _ --
<br />CH / -- ;
<br />0
<br />It
<br />\ it - -�- �0
<br />� � 1 , r
<br />PHASE 060 T J
<br />rJ
<br />1 (8.0 Acres) , p
<br />. � 9l5
<br />� IN -M /NE v
<br />D/ TCH
<br />\\ PIT SUMP /%
<br />BOUNDARY OF 0ti
<br />DISTURBED AREA
<br />POND 2 !
<br />POND 3
<br />1• II' --a- I 0- I ,� \ ,i ". TOPSOIL i m CUB
<br />iI
<br />STUDY AREA W 832 1 ° x ,
<br />I , I ��, \ �, STOCKPILE_ i WILLOWS 8
<br />I , 15.8 Acres) 1 _ PIT i
<br />4 x w I 1 �g310 300 ,I` ��, \LIMIT A i R��:.:. WILLOWS -�
<br />I I 1
<br />0300 ,, e, .%�.��, \ t POND - ACTIVE STREAM
<br />1
<br />3 I �M<. 4_ --
<br />O . I - 8210 '• __ .� ,. \\ � : � le.. V) , % CHANNEL
<br />3 ,
<br />• 20' -I I ' _ r 8260 T" . \ % DaP
<br />ix, i UNNAMED . ALLUVIUM
<br />SOIL UNITS `. 6 i i Q' I 8250 - \ '7001- TON
<br />JA
<br />I \pr t5 \ °° i �♦ FORK \
<br />PHASE
<br />X
<br />e♦ �0� ,c � \ I
<br />z a ze x
<br />If�15 ~1
<br />Ages)
<br />PHASE
<br />4 1 cec WC 11 i� --,.
<br />I
<br />° (11.9 Acres) / x / FEDERAL COAL LEASE BOUNDARY
<br />O / \ \\ , • i a s ♦♦ ✓ / �% # C -30168
<br />1 ' - 1
<br />I• 3' -I I i \ `•���' ZQ hO ° '.p -� IDn v• /% �% `�\ er
<br />ft
<br />ftftft
<br />5C 10
<br />szee x x
<br />6 � TEMBbRARY
<br />I IWO&NOMENT
<br />13' -I #/ � ^ ( ALKALI
<br />1 TO M B T R 78 `.'
<br />HORIZONTAL AND VERTICAL ,l I � •• -� :iJ rei OIL WELL BLM SURFACE SAGEBRUSH 8 1�
<br />2 SCALES "=10' ,t•'•� Y ' I ' RIGHT -OF -WAY
<br />REFERENCE
<br />BOUNDARY AREA
<br />10 5 0 10 / E A
<br />FEET
<br />1
<br />LEGEND
<br />NOTE: All sections look upstream. \ ��'
<br />1
<br />�I 4' I� + \' BSBt; - / -i DITCH / BERM TO SEDIMENT POND
<br />No recognizable channel exists upstream of �' -` -��J / � DIVERSION DITCH
<br />1 section no.7 in proposed mining area. / - ----- �f ,
<br />�1 o'i ��' ' -► FREE FLOW OF DIVERTED WATER
<br />POST- RECLAMATION DRAINAGE
<br />\ �/� ' q.-••-�. -. -;�: PEAK WATER LEVEL IN POND
<br />THIS DRAWING WAS PREPARED UNDER MY \ / i �� CULVERT
<br />SUPERVISION AND IS AN ACCURATE REPRESENTATION
<br />------ - - - - -- PIT LIMIT
<br />OF PLANNED RECLAMATION AT THE CANADIAN
<br />_8280- POST- RECLAMATION CONTOUR (10'interval)
<br />STRIP MINE AS SPECIFIED BY THE SURFACE
<br />-X-X- FENCE
<br />MINING CONTROL AND RECLAMATION ACT OF 1977. CHANNEL CROSS SECTION LOCATION
<br />AREAS OF PROBABLE SUBIRRIGATION
<br />SEAL
<br />Max R. Lawton
<br />Colorado Registration No. 17731
<br />//'ORIGINAL M a T ROAD
<br />RYAN PARK SOIL UNIT I
<br />ACTIVE STREAM CHANNEL-,
<br />RIV
<br />0
<br />cy
<br />30092
<br />C
<br />FEDERAL COAL! LEASEJBOUNDARY
<br /># C -27931 //
<br />pal AS MAPPED
<br />' ON EXHIBIT C -2.
<br />MONITOR
<br />WELL 2 (ALLUVIAL)
<br />WEIR I /
<br />RECEIVED
<br />.iUL I t` 1982
<br />MINED LAND REC' 0..716.ATION
<br />Colo. Dept. of Natural Resources
<br />ADDENDUM I
<br />WYOMING FUEL COMPANY
<br />CANADIAN STRIP MINE
<br />Jackson County, Colorado
<br />N -
<br />POND I
<br />IDENTIFICATION
<br />VICINITY
<br />E
<br />DESCRIPTION
<br />BY
<br />I DATE
<br />REV
<br />DESCRIPTION
<br />BY
<br />DATE
<br />DAM
<br />CROSS SECTION
<br />Dam Uross Sections on
<br />MRL
<br />7/29/81
<br />SCALE 111= 101
<br />POND I
<br />NOTES
<br />MINING
<br />AND RECLAMATION SCHEDULE
<br />54
<br />10'(rnin.)�{
<br />EMERGENCY SPILLWAY
<br />BASE OF DAMS CLEARED OF TOPSOIL AND ORGANIC MATTER
<br />YEAR
<br />MINING
<br />MINING
<br />PHASE *
<br />UNRECLAIMED
<br />x_
<br />FEET
<br />I�-
<br />I
<br />I" = 5'
<br />AND SCARIFIED PRIOR TO CONSTRUCTION
<br />ENDING
<br />PHASE
<br />STARTED
<br />PHASE
<br />COMPLETED
<br />RECLAIMED
<br />ACRES
<br />x-
<br />01r H
<br />M /N�
<br />ADJUSTABLE WEIR (8205 to 8207 Elev )
<br />SCALE
<br />1
<br />FACE OF DAMS AND SURROUNDING DISTURBED AREAS
<br />1979
<br />S
<br />$
<br />I
<br />62.4
<br />CREST OF DAM Elev. 8209
<br />_
<br />( Construct at 8209.5 for settling)
<br />WILL BE STABILIZED WITH A VEGETATIVE COVER
<br />1980
<br />_v
<br />IQ
<br />II
<br />64.7
<br />PHASE
<br />MAXIMUM WATER
<br />LEVEL
<br />I
<br />12
<br />T
<br />I
<br />ELEVATION
<br />MAX. SEDIMENT
<br />DAM VOLUME 20 ACRE -FT EMERGENCY SPILLWAY Elev. 8208
<br />DAMS CONSTRUCTED OF COHESIVE MATERIAL SELECTED
<br />1981
<br />$
<br />y,yI
<br />III
<br />68.1
<br />8210 -_
<br />Elev. 8205
<br />Ill =Ill: 1 1.0
<br />FROM MINE SPOIL AND SUBSOIL IN DAM AREA
<br />8250 (9.3 Acres)
<br />s20s -
<br />14.5 ACRE -FT
<br />-- 2
<br />1982
<br />yII
<br />yII
<br />-
<br />822
<br />8206 -
<br />-- --
<br />EMERGENCY SPILLWAYS CONSTRUCTED IN IN -PLACE
<br />1983
<br />=1
<br />vM
<br />:Z (P),
<br />81.1
<br />8z04 -
<br />MATERIAL AND RIP - RAPPED FOR STABILIZATION
<br />8202 -
<br />RIP -RAP
<br />RIP -RAP
<br />1984
<br />Ig
<br />IX
<br />YiI
<br />84.8
<br />AO
<br />, x
<br />e2fl0 -
<br />,
<br />1985
<br />-
<br />-
<br />yIII
<br />69.0
<br />EPOWER
<br />82
<br />1
<br />8198 -
<br />PHASE
<br />'
<br />-11 -11 °II - =1 =
<br />tl -
<br />18 -DIA. CULVERT
<br />BASE OF DAM Elev. 8198
<br />1986
<br />-
<br />-
<br />S,Ig,g,%I
<br />0
<br />LINE
<br />TOPSOIL
<br />POND l
<br />y(P)
<br />230
<br />8
<br />1
<br />60% OF MAX.
<br />* GRADED, TOPSOILED,
<br />SEEDED, MULCHED
<br />�..-- °---- ---- ------
<br />41
<br />SEDIMENTION
<br />ELEV.
<br />�
<br />;
<br />1
<br />POND 4
<br />'
<br />,.
<br />' "�
<br />PHASE
<br />1
<br />DAM
<br />CROSS SECTION
<br />x
<br />(6.3 Acres)
<br />o
<br />SCALE la = 101
<br />( TOPSOILS \
<br />1 ro
<br />o 0
<br />MAX WATER LEVEL
<br />POND 4
<br />Elev. 8227
<br />DIVERSION DITCH D SECTION (MIN)
<br />N
<br />3.75 ACRE -FT
<br />18,
<br />EMERGENCY SPILLWAY
<br />" '
<br />w
<br />1
<br />ELEVATION
<br />GATE
<br />I
<br />CREST OF DAM Elev. 8230.5
<br />„ ,
<br />I
<br />-
<br />SCALE I - 2
<br />---------- + - - -
<br />-- - - -- x
<br />8232 -
<br />/ADJUSTABLE
<br />MAX. SEDIMENT
<br />Elev.
<br />with opening assembly
<br />EMERGENCY SPILLWAY Elev. 8227.5
<br />SCALE = 5
<br />- - - - -- -------- - - -
<br />- --
<br />EXPLOSIVES
<br />i
<br />8230 ezze -_
<br />1.25 ACRE -FT
<br />_-
<br />II'
<br />-6,
<br />?® STORAGE -.- TRADEDEDREA
<br />8226
<br />I.0 Freeboard
<br />- - - -_
<br />i-
<br />-'79 )
<br />_
<br />ezza -_
<br />-
<br />- - -
<br />2
<br />-11
<br />2
<br />III=
<br />PHASE
<br />(.2 acres
<br />8222 -_
<br />RIP -RAP-
<br />1
<br />2
<br />III=
<br />_
<br />8220 -
<br />8218 -
<br />RIP -RAP
<br />3
<br />1.5' =1
<br />=L
<br />111 =111
<br />( 8.5 Acres)
<br />r
<br />OVERBURDEN
<br />STOCKPILE
<br />8216 -
<br />/60
<br />III -111^
<br />111 °Ill- II =1t1=
<br />%
<br />x
<br />8214 -
<br />% OF MAX.
<br />BASE OF DAM Elev. 8217
<br />SEDIMENTION ELEV.
<br />PNASF
<br />TEMPORARY IMPOUNDMENT #1
<br />DAM CROSS SECTION
<br />SCALE 111 = 101
<br />ELEVATION
<br />12 CREST OF DAM Elev. 8265
<br />I
<br />8288 - MAX WATER LEVEL EMERGENCY SPILLWAY Elev. 8262.5
<br />8266 - :6.0 lev. 8262
<br />8264 I
<br />ACRE -FT RIP -RAP at EMERGENCY
<br />-
<br />- - - -- SPILLWAY
<br />8262
<br />8260 - r--2- 2
<br />8258
<br />8256
<br />8254
<br />BASE OF DAM Elev. 8254
<br />FUTURE MINING AREA
<br />TO NORTHWEST
<br />TEMPORARY IMPOUNDMENT #1
<br />EMERGENCY SPILLWAY
<br />SCALE 1 11 = 51
<br />- - - -12i I
<br />I L
<br />3 I
<br />I•� 3'-s -I
<br />IN -MINE DRAINAGE DITCH SECTION (MIN)
<br />SCALE I"= 21
<br />6'
<br />Freeboard III
<br />III-
<br />1.5'
<br />1 -111=
<br />e
<br />R 78 `A/ TRADED AREA
<br />78 TRADED
<br />HAUL ROAD DELETED
<br />-- , TO WALDEN (.2 acres
<br />IN
<br />1
<br />\ ♦ ; \\ I .- ter. _... -`` :, ... � \� �- .,L.. ,� , � �P ..•. •,r
<br />♦ x V' PROBABLE FUTURE COAL
<br />�
<br />V '♦ , V�\ CRUSHING, STOCKPILING, _ / � �� ' '• �" '� � i l; I I I � � Old� 1
<br />\♦ '� \ �\ OFFICE AND SHOP FACILI-TIES
<br />IOR- / ice/ \ \ � ♦ .. � ', I I � � ' /1 � - �/�� /// �'
<br />\ \ ♦ ♦ 1
<br />T \ ( - r
<br />TIP
<br />8 TOPSOIL \\ \ \ ♦\ \ \\ - \y\oo
<br />I y \ STOCKPILE \\ \ \ \ /,-
<br />N \\ \ \ 50 ft DISTURBED/
<br />x/ \ \\ \ • PHASE \ , AREA BOUNDARY )`
<br />\ \ \ \ AROUND PIT LMIT
<br />� \ \ \♦ (IZS Acres), �.�; \\ �-' p` �
<br />CHANNEL CROSS SECTIONS \\ u .L '� �" / I r- PRESENT PERMIT
<br />IN PROPOSED MINE AREA \ \ ♦ 1
<br />\' \ : • � .._ ---�< �� � � - "' .., BOUNDARY
<br />♦ r • r
<br />PIT
<br />LIMIT \ ♦ 0 or ' �' -
<br />I ♦ r , 4 /
<br />\ 30 Ir
<br />2 e ♦ 8 1
<br />6310 �1 1
<br />OO ■c ♦ 8380
<br />\\ ; ; ; I I t j
<br />BIG ' r 6380
<br />2A
<br />SAGEBRUS H
<br />REFERENCE 1 50 • - -.
<br />1 AREA " >q 83
<br />1 , A©
<br />0.
<br />J mil_
<br />2B
<br />0
<br />MAIN CHANNEL I YY r li ,
<br />_ ..
<br />ECOLOGICAL °" HASE
<br />r
<br />r % /
<br />r
<br />/j
<br />I
<br />PHAS 5
<br />X
<br />o
<br />(11.0 Acres) OVERBURDEN
<br />STOCKPILE
<br />i
<br />CRUSHED
<br />COAL to
<br />1 r 6
<br />/ STORAGE
<br />% AO i
<br />RUCK DUMP
<br />RUSHER PHASE 0 /
<br />k �
<br />(15A Acres) 1
<br />5 0 1
<br />2
<br />JB %r _ /SUMP) /
<br />OFFICE
<br />S o!f �/ TOPSOIL
<br />SHOP
<br />0 - ♦ _ --
<br />CH / -- ;
<br />0
<br />It
<br />\ it - -�- �0
<br />� � 1 , r
<br />PHASE 060 T J
<br />rJ
<br />1 (8.0 Acres) , p
<br />. � 9l5
<br />� IN -M /NE v
<br />D/ TCH
<br />\\ PIT SUMP /%
<br />BOUNDARY OF 0ti
<br />DISTURBED AREA
<br />POND 2 !
<br />POND 3
<br />1• II' --a- I 0- I ,� \ ,i ". TOPSOIL i m CUB
<br />iI
<br />STUDY AREA W 832 1 ° x ,
<br />I , I ��, \ �, STOCKPILE_ i WILLOWS 8
<br />I , 15.8 Acres) 1 _ PIT i
<br />4 x w I 1 �g310 300 ,I` ��, \LIMIT A i R��:.:. WILLOWS -�
<br />I I 1
<br />0300 ,, e, .%�.��, \ t POND - ACTIVE STREAM
<br />1
<br />3 I �M<. 4_ --
<br />O . I - 8210 '• __ .� ,. \\ � : � le.. V) , % CHANNEL
<br />3 ,
<br />• 20' -I I ' _ r 8260 T" . \ % DaP
<br />ix, i UNNAMED . ALLUVIUM
<br />SOIL UNITS `. 6 i i Q' I 8250 - \ '7001- TON
<br />JA
<br />I \pr t5 \ °° i �♦ FORK \
<br />PHASE
<br />X
<br />e♦ �0� ,c � \ I
<br />z a ze x
<br />If�15 ~1
<br />Ages)
<br />PHASE
<br />4 1 cec WC 11 i� --,.
<br />I
<br />° (11.9 Acres) / x / FEDERAL COAL LEASE BOUNDARY
<br />O / \ \\ , • i a s ♦♦ ✓ / �% # C -30168
<br />1 ' - 1
<br />I• 3' -I I i \ `•���' ZQ hO ° '.p -� IDn v• /% �% `�\ er
<br />ft
<br />ftftft
<br />5C 10
<br />szee x x
<br />6 � TEMBbRARY
<br />I IWO&NOMENT
<br />13' -I #/ � ^ ( ALKALI
<br />1 TO M B T R 78 `.'
<br />HORIZONTAL AND VERTICAL ,l I � •• -� :iJ rei OIL WELL BLM SURFACE SAGEBRUSH 8 1�
<br />2 SCALES "=10' ,t•'•� Y ' I ' RIGHT -OF -WAY
<br />REFERENCE
<br />BOUNDARY AREA
<br />10 5 0 10 / E A
<br />FEET
<br />1
<br />LEGEND
<br />NOTE: All sections look upstream. \ ��'
<br />1
<br />�I 4' I� + \' BSBt; - / -i DITCH / BERM TO SEDIMENT POND
<br />No recognizable channel exists upstream of �' -` -��J / � DIVERSION DITCH
<br />1 section no.7 in proposed mining area. / - ----- �f ,
<br />�1 o'i ��' ' -► FREE FLOW OF DIVERTED WATER
<br />POST- RECLAMATION DRAINAGE
<br />\ �/� ' q.-••-�. -. -;�: PEAK WATER LEVEL IN POND
<br />THIS DRAWING WAS PREPARED UNDER MY \ / i �� CULVERT
<br />SUPERVISION AND IS AN ACCURATE REPRESENTATION
<br />------ - - - - -- PIT LIMIT
<br />OF PLANNED RECLAMATION AT THE CANADIAN
<br />_8280- POST- RECLAMATION CONTOUR (10'interval)
<br />STRIP MINE AS SPECIFIED BY THE SURFACE
<br />-X-X- FENCE
<br />MINING CONTROL AND RECLAMATION ACT OF 1977. CHANNEL CROSS SECTION LOCATION
<br />AREAS OF PROBABLE SUBIRRIGATION
<br />SEAL
<br />Max R. Lawton
<br />Colorado Registration No. 17731
<br />//'ORIGINAL M a T ROAD
<br />RYAN PARK SOIL UNIT I
<br />ACTIVE STREAM CHANNEL-,
<br />RIV
<br />0
<br />cy
<br />30092
<br />C
<br />FEDERAL COAL! LEASEJBOUNDARY
<br /># C -27931 //
<br />pal AS MAPPED
<br />' ON EXHIBIT C -2.
<br />MONITOR
<br />WELL 2 (ALLUVIAL)
<br />WEIR I /
<br />RECEIVED
<br />.iUL I t` 1982
<br />MINED LAND REC' 0..716.ATION
<br />Colo. Dept. of Natural Resources
<br />ADDENDUM I
<br />WYOMING FUEL COMPANY
<br />CANADIAN STRIP MINE
<br />Jackson County, Colorado
<br />N -
<br />LUVIAL VALLEY FLOOR
<br />= IN THE PIT #2
<br />IDENTIFICATION
<br />VICINITY
<br />E
<br />DESCRIPTION
<br />BY
<br />I DATE
<br />REV
<br />DESCRIPTION
<br />BY
<br />DATE
<br />1
<br />Dam Uross Sections on
<br />MRL
<br />7/29/81
<br />SCALE 12400
<br />I" =200'
<br />200 100 0 200 400
<br />600
<br />81- 2056 -034
<br />WO NO
<br />FIGURE
<br />FEET
<br />DRAWN BY: C J Loos I PREPARED BY: M J Minkel
<br />I DATE July 29,1981
<br />3
<br />11111111111111111111111 mil Mill Mu nM
<br />
|