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Figure 1. Location map of the existing Glacier Northwest DuPont mine site, proposed mine expansionarea, and limit of surface water effects due to aquifer drawdown, Dupont, Washington.
Center Drive
N
Map s
ourc
e: M
apte
ch
US
GS
(1994)
Topogra
phic
Series
TM
R
55
06
-01
-05
/rtb
/HE
C-R
/02
-02
40
3-0
00
-05
2-0
01
/Te
ch
Re
po
rt
SequalitchewLake
Pug
et S
ound
Ft. L
ew
is D
ivers
ion
Can
al
0 1000 2000 Feet
Approximate scale
Existing mineprocessing plant
Active mine site
NisquallyDelta
Fort LewisLandfill No. 5
Limit of surface water effectsdue to aquifer drawdown
Du
Po
nt-S
teila
co
oo
m R
d
West
EastEdmondMarsh
railroad grade
Wetland 1D
Former site of DuPontWork Explosions Facility
BrackishMarsh
Proposed mineexpansion area
BellMarsh
Kettle Wetlandand buffer
miles
ProjectArea
CANADA
VancouverIsland
Bellingham
Everett
Seattle
Tacoma
OlympiaMt.
Rainier
Washington
Columbia River
Oregon
N0 50PACIFIC
OCEAN
Barge loadingfacility