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USDA County Default Universal Transverse Mercator (UTM) Zones

Montana map showing which counties are in each of the 3 UTM zones.

Zone 11 Counties

Flathead
Lake
Lincoln		 Mineral
Missoula		 Ravalli
Sanders

Zone 12 Counties

Beaverhead
Blaine
Broadwater
Carbon
Cascade
Chouteau
Deer Lodge
Fergus		 Gallatin
Glacier
Golden Valley
Granite
Hill
Jefferson
Judith Basin
Lewis and Clark		 Liberty
Madison
Meagher
Musselshell
Park
Petroleum
Pondera
Powell		 Silver Bow
Stillwater
Sweet Grass
Teton
Toole
Wheatland
Yellowstone

Zone 13 Counties

Big Horn
Carter
Custer
Daniels
Dawson
Fallon		 Garfield
McCone
Phillips
Powder River
Prairie
Richland		 Roosevelt
Rosebud
Sheridan
Treasure
Valley
Wibaux

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