FIGURE 1.1 Modeling Domain, Project Areas, Population Centers, and Sensitive Receptors for the Montana and Wyoming Projects

-400 -300 -200 -100 0 100 200 300 400

LCP-X (km)

-300

-200

-100

0

100

200

300

400

LCP-

Y (k

m)

400

800

1200

1600

2000

2400

2800

3200

3600

Badlands WA

Rapid City

Wind Cave NP

Jewel Cave NM

Black Elk WAMt. Rushmore NM

Scottsbluff

Soldier Creek WA

Agate Fossil Beds NMFt. Laramie

NHS

Devils Tower NM

Sheridan

Gillette

Casper

Rock SpringsGreen RiverBrigham City

Logan

Idaho Falls

Rexburg

Bozeman

Butte

Helena

Great Falls

Billings

Dickenson

Cloud Peak WA

Crow IR NorthernCheyenne IR

Yellowstone NP

Teton WA

Grand Teton NP

North Absaroka WA

Washakie WA

Bridger WA Fitzpatrick WA

Popo Agie WA

BighornCanyon NRA

Red RockLakes WA

Gates of theMountains WA

Scapegoat WA

Ft. Peck IRFt. Belknap IR

U.L. Bend WA

Theodore Roosevelt NP (North Unit)

Theodore Roosevelt NP (South Unit)

Absaroka-Beartooth WA

Emerald LakeFlorence Lake

Ross Lake

Hobbs Lake

LowerSaddlebag Lake

Black Joe Lake Deep Lake Upper Frozen Lake

Stepping Stone Lake Twin Island Lake

Elev. (m)

Modeling Domain

Montana Project Area

Wyoming Project Area

FIGURE 2.1 Topography of the Modeling Domain, Population Centers, and Sensitive Receptors

-500 -400 -300 -200 -100 0 100 200 300 400 500

LCP-X (km)

-400

-300

-200

-100

0

100

200

300

400

LCP-

Y (k

m)

MM5 data

NWS

CASTNET

RAWS

AWDN

PRB Coal Mines

ND SO2 Sites

CALMET/CALPUFFdomain

FIGURE 4.1 Weather Stations with Surface Data

-500 -400 -300 -200 -100 0 100 200 300 400 500

LCP-X (km)

-400

-300

-200

-100

0

100

200

300

400

LCP

-Y (k

m)

Precipitation Sites

CALMET/CALPUFFdomain

FIGURE 4.2 Weather Stations with Precipitation Data

FIGURE 4.3 Annual Wind Roses at the 10-m Level in 1996 at Selected Weather Stations within the Modeling Domain

-400 -300 -200 -100 0 100 200 300 400

LCP-X (km)

-300

-200

-100

0

100

200

300

400

LCP-

Y (k

m)

Modeling Domain

Helena

Billings

Miles City

Sheridan

Lander Casper

Scottsbluff

Rapid City

-400 -300 -200 -100 0 100 200 300 400

LCP-X (km)

-300

-200

-100

0

100

200

300

400

LCP-

Y (k

m)

Badlands WA

Rapid City

Wind Cave NP

Jewel Cave NM

Black Elk WAMt. Rushmore NM

Scottsbluff

Soldier Creek WA

Agate Fossil Beds NMFt. Laramie

NHS

Devils Tower NM

Sheridan

Gillette

Casper

Rock SpringsGreen RiverBrigham City

Logan

Idaho Falls

Rexburg

Bozeman

Butte

Helena

Great Falls

Billings

Dickenson

Cloud Peak WA

Crow IR NorthernCheyenne IR

Yellowstone NP

Teton WA

Grand Teton NP

North Absaroka WA

Washakie WA

Bridger WA Fitzpatrick WA

Popo Agie WA

BighornCanyon NRA

Red RockLakes WA

Gates of theMountains WA

Scapegoat WA

Ft. Peck IRFt. Belknap IR

U.L. Bend WA

Theodore Roosevelt NP (North Unit)

Theodore Roosevelt NP (South Unit)

Absaroka-Beartooth WA

Emerald LakeFlorence Lake

Ross Lake

Hobbs Lake

LowerSaddlebag Lake

Black Joe Lake Deep Lake Upper Frozen Lake

Stepping Stone Lake Twin Island Lake

Modeling Domain

Montana Project Area

Wyoming Project Area

MT Near-Field Receptors

WY Near-Field Receptors

FIGURE 4.4 Near-Field and Far-Field Receptor Locations Selected for CALPUFF Modeling

-400 -300 -200 -100 0 100 200 300 400

LCP-X (km)

-300

-200

-100

0

100

200

300

400LC

P-Y

(km

)

Badlands WAWind Cave NP

Jewel Cave NM

Black Elk WAMt. Rushmore NM

Soldier Creek WA

Agate Fossil Beds NMFt. Laramie

NHS

Devils Tower NM

Cloud Peak WA

Crow IR Northern Cheyenne IR

Yellowstone NP

Teton WA

Grand Teton NP

North Absaroka WA

Washakie WA

Bridger WA Fitzpatrick WA

Popo Agie WA

BighornCanyon NRA

Red RockLakes WA

Gates of theMountains WA

Scapegoat WA

Ft. Peck IRFt. Belknap IR

U.L. Bend WA

Theodore Roosevelt NP (North Unit)

Theodore Roosevelt NP (South Unit)

Absaroka-Beartooth WA

Emerald LakeFlorence Lake

Ross Lake

Hobbs Lake

LowerSaddlebag Lake

Black Joe Lake Deep Lake Upper Frozen Lake

Stepping Stone Lake Twin Island Lake

Modeling Domain

Montana Project Area

Wyoming Project Area

Booster/Field Compressors

Recip/Sales Compressors

CBM Wells

Conv O&G Wells

FIGURE 4.5 Montana and Wyoming Project Emission Sources under Proposed Actions

-400 -300 -200 -100 0 100 200 300 400

LCP-X (km)

-300

-200

-100

0

100

200

300

400LC

P-Y

(km

)

Badlands WAWind Cave NP

Jewel Cave NM

Black Elk WAMt. Rushmore NM

Soldier Creek WA

Agate Fossil Beds NMFt. Laramie

NHS

Devils Tower NM

Cloud Peak WA

Crow IR NorthernCheyenne IR

Yellowstone NP

Teton WA

Grand Teton NP

North Absaroka WA

Washakie WA

Bridger WA Fitzpatrick WA

Popo Agie WA

BighornCanyon NRA

Red RockLakes WA

Gates of theMountains WA

Scapegoat WA

Ft. Peck IRFt. Belknap IR

U.L. Bend WA

Theodore Roosevelt NP (North Unit)

Theodore Roosevelt NP (South Unit)

Absaroka-Beartooth WA

Emerald LakeFlorence Lake

Ross Lake

Hobbs Lake

LowerSaddlebag Lake

Black Joe Lake Deep Lake Upper Frozen Lake

Stepping Stone Lake Twin Island Lake

Modeling Domain

Montana Project Area

Wyoming Project Area

New - Point/Area Sources

New - Line Sources

Coal Mine Sources

RFFA - Power Plant Sources

RFFA Sources on IR&FS Lands

Field Compressors

Sales Compressors

CBM Wells

Conv O&G Wells

FIGURE 4.6 Nonproject Emission Sources

0

1000

2000

3000

4000

5000

6000

7000

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Year

NOxPM10PM2.5SO2CO VOCs

FIGURE 4.7 Estimated Annual Criteria Pollutant and VOC Emissions from Montana CBM-Related Activities under the Preferred Alternative during the 20-Year Project Period

0

250

500

750

1000

1250

1500

1750

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Year

NOxPM10PM2.5SO2CO VOCs

FIGURE 4.8 Estimated Annual Criteria Pollutants and VOCs Emissions from Montana Conventional Oil- and Gas-Related Activities under the Proposed Action during the 20-Year Project Period

0

2500

5000

7500

10000

12500

15000

2002 2003 2004 2005 2006 2007 2008 2009 2010 2011

Year

NOx PM10 PM2.5 SO2 CO VOC

FIGURE 4.9 Estimated Annual Criteria Pollutant and VOC Emissions from Wyoming CBM-Related Activities under the Proposed Action during the 10-Year Project Period

0

1000

2000

3000

4000

5000

2002 2003 2004 2005 2006 2007 2008 2009 2010 2011

Year

NOx PM10 PM2.5 SO2 CO VOC

FIGURE 4.10 Estimated Annual Criteria Pollutant and VOC Emissions from Wyoming Conventional Oil- and Gas-Related Activities under the Proposed Action during the 10-Year Project Period