project location demonstration project mining area county
TRANSCRIPT
_̂
120759E
24 August 2020
Figure 1General Site Location
C. Hafdahl
State Disposal System Permit ApplicationPrairie River Minerals LLC
Coleraine, Minnesota (Itasca County)Date Drawn:
NTS Project #:
Drawn By:
Legend
_̂ Project Location
Demonstration Project Mining Area
County Boundary
www.netechnical.com
1 Inch = 225,000 Feet
Ü0 210,000 420,000105,000
Feet
GRAND RAPIDS
COLERAINE
NASHWAUK
DEER RIVERPrairie River Minerals LLC
Demonstration Project Location
USTH 169
Arbo
Rd
CSAH 61
T-95 MNTH
38
T-1069
Prairie Lake Rd
M-48
T-876
CR-44
0
27th
AVE N
E
2nd St
M-68 W Wyss Rd
Ceme
tery R
D
Delmar RD
4th St3rd St
9th St NWMidway Pit Haul Rd
20th St NW
Pear
Lake
Rd
Ryderberg Rd
S Shoal Lake Rd
7th AV
E NE
2nd A
ve
Corey Ave
T-112
Eagle View RD
Blue Bill Bay Rd
Baich Rd
1st St
T-877
Pine R
idge R
d
Midw
ay RD
T-432
5
Wabana
Rd
Bay R
d
Lake Dr
M-35
3rd Av
e NW
T-4100
Cole Ave
T-409
9
County Road 440
Congdon Ave
Prairie DrCr
estw
ood D
r
9th St NE
Curle
y Ave
5th Av
e
M-32
Lakeview Blvd
7th Av
e NE
1st A
ve
Audrey La
8th AV
E NE
Oak B
end R
d
Pine T
ree La
Powe
ll Ave
11th
Ave N
E
16th St NW
N 4th
Ave
Fourteenth St
Roosevelt Ave
9th St W
Green Way
Johnsons Trailways
Soldi
ers La
Davidson Ave
Lorane Dr
Birch La N
Jesse Mine Rd
Legion La
Knollwood Dr
Strad
er Dr
M-1
Isak St
Susanna La
McGuire La
N Milla
rd Po
int Rd
Prairie Lake Tr
17th ST NW
Beverly DR
Prair
ie La
ke R
d
USTH 169
Prair
ie La
ke R
d
USTH 169
CSAH 61
20th St NW
USTH 169
USTH 169
220759E
24 August 2020
Figure 2Site Vicinity Map
C. Hafdahl
State Disposal System Permit ApplicationPrairie River Minerals LLC
Coleraine, Minnesota (Itasca County)Date Drawn:
NTS Project #:
Drawn By:
LegendDemonstration Project Mining Area
Mesabi Trail
www.netechnical.com
1 Inch = 3,000 Feet
Ü0 3,000 6,0001,500
Feet
Notes:- Basemap was provided by MinnesotaGeospatial Commons.
!(
!>
!>
Jessie #2 Pit
Jessie Mine Pit
West Hill Mine Pit
Canisteo Mine Pit Complex
Jessie Mine Stockpile
Jessie #2 Mine Stockpile
Buckeye Mine Stockpile
Product Loadout Area
CSAH 61Mesabi Trail
USTH 169
USTH 169
20759E
24 August 2020C. Hafdahl
State Disposal System Permit ApplicationPrairie River Minerals LLC
Coleraine, Minnesota (Itasca County)Date Drawn:
NTS Project #:
Drawn By:
Legend!> Proposed Monitoring Station
!( Pump Location
Overhead Powerline
Gate
Conveyor
Plant Area Road Edge
Pipe Route
Proposed Berm
Stockpile Feed Haul Road
Crude Ore Stockpile
Stacker
Stormwater Retention Pond
Infiltration Basin
2020 Waste Management Area(WMA)
Product Loadout Area
Plant Area
Stockpile
Sloped Portion of 2020 WMA
Contour Interval (10 fT)
County Highway 61
US Highway 169
Mesabi Trail
www.netechnical.com
1 Inch = 1,100 Feet
Ü0 1,100 2,200550
Feet
Notes:- Waste Management Area is approximately 5.1 acres.- Basemap was provided by MN Geospatial ImageServices. Itasa County, 2018.- Stockpile locations were drawn using MN Atlas and MNTopo for reference.- Figures depicted are approximations.
Figure 3Demonstration Project Layout
3
0 125 250 375
Feet
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,
,
,,
,
!>
!>
2020 WMA
Crude OreStockpile
Plant Site
Haul Road Haul Road
1310' Toe Elevation
1370
' Cres
t Elev
ation
Parking Lot
Driveway
Lump Ore Stacker
Sinter Feed StackerWaste Stacker
Hopper
FeederFeed Conveyor
150'
40' Conveyor
250' Conveyor
30' C
onve
yor
1320
1360
1330
1350
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132013
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1340
1340137
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1390
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1350
WS-001
WS-002
!?
!?
!?
Product Loadout Area
2020 WMA
Crude OreStockpile
Plant AreaLump Ore Stacker
Sinter Feed StackerWast
e Stac
ker
Parking Lot
Haul RoadHaul Road
Hopper
FeederFeed Conveyor
150'
40' Conveyor
250' Conveyor
30' C
onve
yor
WS-002
WS-001
GW-01
GW-03
GW-02
CSAH 61Mesabi Trail
20759E
24 August 2020C. Hafdahl
State Disposal System Permit ApplicationPrairie River Minerals LLC
Coleraine, Minnesota (Itasca County)Date Drawn:
NTS Project #:
Drawn By:
Legend!> Proposed Monitoring Station
!?Proposed Groundwater MonitoringLocation
Overhead Powerline
Plant Area Road Edge
, Conveyor
Gate
Proposed Berm
Pipe Route
Stockpile Feed Haul Road
Crude Ore Stockpile
Stormwater Retention Pond
Infiltration Basin
2020 Waste Management Area(WMA)
Product Loadout Area
Plant Area
Stacker
County Highway 61
Mesabi Trail
www.netechnical.com
1 Inch = 250 Feet
Ü0 250 500125
Feet
Notes:- Basemap was provided by MN Geospatial ImageServices. Itasa County, 2018.- Stockpile locations were drawn using MN Atlas and MNTopo for reference.- Figures depicted are approximations.
Figure 4Proposed Groundwater
Monitoring System
4
WATER SOURCES
West Hill
Mine Pit Proposed Limit: 78
MGY
WATER USE AND MANAGEMENT
Process Water
Storage
Dust control
Moisture in
Rejects/Waste
(100 gpm Average)
Infiltration
System (No Surface Discharge)
Water Reclaim
Processes (Thickener)
Moisture in
Products
Make-Up Water
for Process
Site Stormwater and Waste
Management Area
Northeast Technical Services
www.netechnical.com
218.741.4290
526 Chestnut Street
Virginia, MN 55792
Figure 5 Proposed Water Balance
PRM Demonstration Project
State Disposal System Permit Application
Prairie River Minerals LLC
Coleraine, Minnesota (Itasca County)
Date Drawn:
Drawn By:
NTS Project Number:
18 August 2020
C. Hafdahl
20759E
Notes:
- Moisture content in products is estimated at 5% and rejects/waste moisture content is estimated at 11%.
Evaporation
Losses
Jessie #2 Mine
Pit Permitted Maximum:
8 MGY
(25 gpm Average)
100-150 gpm (125 gpm Average)
2200 gpm Recirculation
100-150 gpm (125 gpm Average)
Plant Processes
Crushing Grinding Sorting
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!>
!>
!(2020 WMA
Crude OreStockpile
Plant Site
Product Loadout Area
Lump Ore Stacker
Sinter Feed StackerWaste Stacker
Parking Lot
Haul RoadHaul Road
Hopper
Feeder WS-002
WS-001
1350
1360
1340
1370
1380
13901400
1330
1320
1310
1300
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1290
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140013
70
1380
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1310
CSAH 61
Mesabi Trail
20759E
24 August 2020C. Hafdahl
State Disposal System Permit ApplicationPrairie River Minerals LLC
Coleraine, Minnesota (Itasca County)Date Drawn:
NTS Project #:
Drawn By:
Legend!( Pump Location
!> Proposed Monitoring Station
,
Approximate Surface Water Flow
,
Approximate Run-on Flow
,
Approximate Runoff Flow
Plant Area Road Edge
, Conveyor
Gate
Pipe Route
Stockpile Feed Haul Road
County Highway 61
Mesabi Trail
Proposed Berm
Infiltration Basin
Product Loadout Area
2020 Waste Management Area(WMA)
Plant Site
Crude Ore Stockpile
Stacker
Stormwater Retention Pond
Contour Interval (2 ft)
Contour Interval (10 ft)
www.netechnical.com
1 Inch = 275 Feet
Ü0 280 560140
Feet
Notes:-Contours and Hillshade were provided by MNGeospatial Commons-Figures depicted are approximations.
Figure 6aPlant Site and Waste
Management Area Contours
6a
!>
!>
2020 WMA
Product Loadout Area
Hopper
Feeder
Haul Road
Haul Road
Parking Lot
Waste Stacker
Sinter Feed Stacker
Lump Ore StackerPlant Area
Crude OreStockpile
WS-002
WS-001
CSAH 61
Mesabi Trail
20759E
24 August 2020C. Hafdahl
State Disposal System Permit ApplicationPrairie River Minerals LLC
Coleraine, Minnesota (Itasca County)Date Drawn:
NTS Project #:
Drawn By:
Legend!> Proposed Monitoring Station
Pipe Route
Stockpile Feed Haul Road
Overhead Powerline
Plant Area Road Edge
, Conveyor
Gate
County Highway 61
Mesabi Trail
Proposed Berm
Infiltration Basin
Product Loadout Area
2020 Waste Management Area(WMA)
Plant Site
Stacker
Crude Ore Stockpile
Stormwater Retention Pond
www.netechnical.com
1 Inch = 300 Feet
Ü0 310 620155
Feet
Notes:-Background aerial imagery was provided by MNGeoWMS, Itasca 2018-Contours were provided by MN GeospatialCommons-Figures depicted are approximations.
Figure 6bPlant Site and Waste
Management Area Aerial
6b
!>
!>
!(
Prairie
River
1254 FT
Jessie #2 Mine Pit1296 FT
Jessie Mine Pit1264 FT
GreenwayMine Pit1260 FT
Lind Mine Pit1264 FT
West Hill Mine Pit1280 FT
Canisteo Mine Pit Complex1318 FT
Lower Prairie Lake1290 FT
Jessie Mine Stockpile
Jessie #2 Mine Stockpile
Buckeye Mine Stockpile
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CSAH 61
Mesabi Trail
USTH 169
USTH 169
Mesabi Trail
20759E
24 August 2020C. Hafdahl
State Disposal System Permit ApplicationPrairie River Minerals LLC
Coleraine, Minnesota (Itasca County)Date Drawn:
NTS Project #:
Drawn By:
Legend!( Pump Location
!> Proposed Monitoring Station
Estimated Groundwater FlowDirection
Overhead Powerline
Plant Area Road Edge
Gate
Pipe Route
Stockpile Feed Haul Road
County Highway 61
US Highway 169
Mesabi Trail
Proposed Berm
Infiltration Basin
Product Loadout Area
2020 Waste Management Area(WMA)
Plant Site
Stockpile
Crude Ore Stockpile
Stormwater Retention Pond
Stacker
Contour Interval (2 ft)
Contour Interval (10 ft)
www.netechnical.com
1 Inch = 1,050 Feet
Ü0 1,000 2,000500
Feet
Notes:-Contours and Hillshade were provided by MNGeospatial Commons-Figures depicted are approximations.
Figure 6cEstimated Groundwater
Flow Direction
6c