2022-11-17_REVISION - M1998105 ‎(2)‎

• Permit No: M1998105
• IBM Index Class Name: Revision
• Doc Date: 11/17/2022
• Doc Name: Adequacy Review Response #2
• From: Lewicki & Associates/Grand Junction Pipe & Supply Co.
• To: DRMS
• Type & Sequence: AM1
• Email Name: RDZ
• Email Name: MAC
• Media Type: M
• Archive: No

LEGEND
BOUNDARIES
State or territorial --
O County or equivalent - -
Incorporated city or equivalent ---------
BUILDINGS AND RELATED STRUCTURES
Building •
Well(other than water) O Well Name
Fence
LAND SURVEYS
- " . . ��
Public Land Survey System
. . . ' _ Range or Township line
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Range or Township labels R1 E T2N
Section line
— — _ Section numbers 1-36
- - - Mining claim or property boundary
—— MIN. 12.5' FROM POWERLINES —_ ROADS AND RELATED FEATURES
.. _ —�
= Highway
Light duty road,gravel
paved
Unimproved r
\_ _ INFLOW/OUTFLOW STRUCTURE
\ SEE DETAILS I LS 1 &2 . . . .-. . . _ . . Gate o n road oad --------------------------------
\,4ss� N. GUNNISON RIVER
4g4p,\ ` �` - - - - - - - - - - - - - - - - - - -- - - -- - _ - - - Railroad
\ = \ RIVERS, LAKES,SHORELINES,AND CANALS
{ RELIEF DITCH �-
Perennial stream/ditch
BROAD AX DITCH . . . . . . .
\ ` Perennial river
MIN. 15 FROM DITCH
Perennial lake/ and
p
' - Waterwell O Well Name
Drainage Directions NNW
POST MINE LAND USE: RECLAIMED LAKE0 Drainage Basin
GROUNDWATER LAKE �ggo \\ 0.97 acres - - `� Floodp ain&Floodway — — —— —
12.5 acres
BERMS FLATTENED 496� 496` . . 0 \ \ DRAINAGE BASINS
494
Basin
Basin
4960' �, — �_ Destination
- ---'' TOTAL DISTURBED AREA - - - - - - - - - - - - - - - - - - - - - - 62.6 HO
10' MAINTAINED ON EACH ---- --- - -- ---- — --
�4g50 __----- _____------- ____-- ------ RECLAIMED LAKE �.,_ 110.6 acres
SIDE OF ACCESS ROAD ! — --- - 14.6 acres Area Composite
----------------------------495Q-------- --- --------------------- I,. . . . . . (acres) Curve Number
--- ---- -------------------- --- CULVERT
----- - =
VEGETATION
SO Agricultural Fields
I T,
FEED LOTS
SITE ACCESS t Rangeland
10,
— Woodlands&Trees
4gy0
POST MINE LAND USE:
GROUNDWATER LAKE ', I Wetlands(NWI 1983) :-:-...
MIN. 30' FROM ------------
13.9 acres ADJACENT PROPERTIES
95p _ TRANSMISSION LINES AND PIPELINES
Power transmission line; pole;tower 0 le le le 0
3 1 Power transmission line, buried
39.2 7940 n Telephone/data line,above ground --------
POSTMINE LAND USE: ' 1
\ I Telephone/data line, buried --
I TOTAL NEW GROUNDWATER EXPOSURE: GROUNDWATER LAKE Pipeline(non-water),above ground
49E _ 58.7 acres 22.6 acres Pipeline(non-water), buried
TOTAL GROUNDWATER EXPOSURE:
______ - 1� MINING BOUNDARIES
------- ----- ------------=--------- --- a
--- , ' 74 3 acres l
---------- ----- '
- - 1 ' RMS Permit Boundary
CULVERT ( D
CULVERT Disturbed Area
CO-65 \
'/ ; ; BASELINE CONTOURS
- - \ MIN. 30' FROM EXISTING POND Well 1092 1 Index
CULVERT \ i Approximate of indefinite
62.6 80 Intermediate
OWe 6594 Approximate of indefinite
,
Supplementary
SECONDARY PROPERTY ACCESS RECLAMATION CONTOURS
NOT USED FOR MINING TRAFFIC ; 4960'
Index
CULVERT Approximate of indefinite
! - P Intermediate
RELIEF DITCH a
/ 49 0,- Approximate of indefinite
MIN. 15' FROM DITCH �r Dump
PERMIT AND AFFECTED AREA: CULVERT -
---------
--------------------- ---------------------------------- - -
-----------------
---------------1-- _ STOCKPILED MATERIAL USED IN RECLAMATION
_
- 4970' ALL SLOPES RECLAIMED TO 3H:1 V
ENTIRE SITE GRADED, TOPSOILED, AND VEGETATED
POST MINE LAND USE; DETAIL 1 -INFLOW/OUTFLOW STRUCTURE DETAIL 2-INFLOW/OUTFLOW STRUCTURE
F-1 Reclamation Plan GROUNDWATER LAKE INSTALLATION DETAILS INSTALLATION DETAILS
9.7 acres T eft.Min.Freeboard V MAX. FROM HIGHWATER LEVEL
Delta • j TO CHANNEL BOTTOM
DRMS Permit Number:M-1998-105 Elam Construction 9 1 100 ft. O INFLOW/OUTFLOW STRUCTURE:
Mine Entry Location: Latitude:38.76815 Longitude:-107.99419 _4970'`-` 12" 2.50 D50 ACCORDING TO DETAIL 1 TYPICAL
State:Co County:Delta Nearest Town:Delta — -- - 4980'_ - ,. O O O RIVER HIGHWATER LEVEL
Section:10 Township:15S Range:95W PM:6th
S.:
Major Watershed: Gunnison River MSHA ID:N/A
Map Scale:1":200' : 2n "...•,': •;y :: V+. - ,
0 200 400 Trapezoidal Channel
Equal Side Slopes
Channel Lining:Rock Rip-Rap 10'WIDE
Riprap Size Gradation (D50 = 9") 5' MIN. MAINTENANCE TRAIL 5' MIN.
Map Georeferencing Information: Datum:NAD83 Projection:CO CENTRAL 4990'
Typical Stone Dimension Percent Smaller Layer Thickness � LINE ACCORDING TO DETAIL 1
Survey Source:Drone Dram by:SAC Date:09/13/22 - H b
Imagery Source:Google Checked by:BEL Date:09/13/22 -- 9.. 100
Survey Date:11/18/21 Approved by:BEL Date:09/13/22 L 9�� 50 18" GROUPITSITED
E SLOPE
< � 5" 0 GROUTED BOULDERS(36"MIN. DIA.)
Imagery Date:--- EXTENDED TO BEDROCK
O Bedding
pRP� ��tr'�N 3"sieve 100-90 12"
File Name:Delta Paving 221118 '' 3/4"sieve 90-20
NOTE: INFLOW/OUTFLOW STRUCTURE DESIGN BASED ON MILE HIGH DRAINAGE DISTRICT
#4 sieve 20-0 12" GUI DANCE I N TECHNICAL RE VIEW GUIDELINES FOR GRAVEL MINING& WATER STORAGEACTIV1T/ES WITHIN OR AD✓ACENT
#200 sieve 3-0 TO 100-YEAR FLOODPLAINS(SECTION 2.4.5-SIDE CHANNEL SPILLWAY,-FIGURE 2.8-RIPRAP SPILLWAY STABILIZATION)
-O?�4/18/22p: __ _ NOTES:
�0�;•., INSTALL LINING FROM 5'BELOW HIGH WATER THALWEG INFLOW/OUTFLOW STRUCTURES WILL BE BUILT DURING FINAL RECLAMATION IF THE HIGHWALL CREST IS WITHIN 400'OF
3375 West Powers Circle j 303)-346-5196 � [e-mail] �•,••••••••••�
THE RIVER BANK.
9 Littleton,CO USA 80123 SCOW_