Montana Channel Migration Zones - Data, Maps, and Reports

Upper Missouri Headwaters: Beaverhead, Big Hole, East Gallatin, Gallatin, Jefferson, Madison, Lower Ruby, Clear Creek (Ruby)

• GIS File Geodatabase 
• GIS Shapefiles

Beaverhead River (2017)

• Project Report
• PDF Map 1 (tiled lower river)
• PDF Map 2 (tiled upper river) 
• PDF Map 3 (11x17 combined map pages)  
• Web Map
• 1955 and 1979 Historic Photos

Big Hole River (2005)

• Project Report
• PDF Map 1 (lower river tiled)
• PDF Map 2 (upper river tiled)
• PDF Map 3 (11x17 combined map pages)
• Web Map
• 1955 and 1979 Historic Photos 

Bighorn River (2021)

• Project Report
• PDF Map
• Web Map
• GIS File Geodatabase
• GIS Shapefiles
• 1956 and 1979 Historic Photos 

Clark Fork - Bitterroot to Huson (2009)

• Project Report
• Web Map
• PDF Map
• GIS File Geodatabase and Field Photos
• GIS Shapefiles
• 1955 and 1972 historic photos available by contacting  geoinfo@mt.gov  

Clark Fork - Plains Area (2014)

• Project Report
• Web Map
• PDF Map
• GIS File Geodatabase
• GIS Shapefiles

Clark Fork and Bitterroot Rivers - Missoula County (2021)

• Project Report
• Web Map
• Layer Package
• GIS File Geodatabase
• GIS Shapefiles

Deep Creek (2016)

• Project Report 
• PDF Map 1 (tiled) 
• PDF Map 2 (11x17 combined map pages)   
• GIS File Geodatabase
• GIS Shapefiles
• Web Map
• 1947 and 1980 Historic Photos  

East Gallatin River (2017)

• Project Report
• PDF Map 1 (tiled) 
• ​ PDF Map 2 (11x17 combined map pages) 
• Web Map
• 1965 and 1979-1980 Historic Photos

Flathead River - Old Steel Bridge to Flathead Lake (2010)

• Project Report
• Web Map
• PDF Map 1 (tiled CMZ)
• PDF Map 2 (single layout, CMZ only)
• PDF Map 3 (single layout, complete CMZ)
• GIS File Geodatabase and Field Photos
• GIS Shapefiles
• 1956 and 1978 historic photos available by contacting  geoinfo@mt.gov  

Gallatin River (2017)

• Project Report 
• PDF Map 1 (tiled)
• PDF Map 2 (11x17 combined map pages)     
• Web Map
• 1965 and 1979-1980 Historic Photos  

Jefferson River (2017)

• Project Report 
• PDF Map 1 (lower river tiled) 
• PDF Map 2 (upper river tiled)   
• PDF Map 3 (11x17 combined map pages)
• Web Map
• 1955 and 1979-1980 Historic Photos

Madison River (2017)

• Project Report 
• PDF Map 1 (lower river tiled)
• PDF Map 2 (upper river tiled) 
• PDF Map 3 (11x17 combined map pages)
• Web Map
• 1955-1965 and 1979-1980 Historic Photos

Musselshell River - Roundup

• GIS Database
• GIS Shapefiles
• Web Map
• 1953 and 1979 Historic Photos

Prickly Pear and Lower Tenmile Creeks (2011)

• Project Report
• Web Map
• PDF Map
• GIS File Geodatabase and Field Photos
• GIS Shapefiles
• 1955 historic photos available by contacting  geoinfo@mt.gov  

Lower Ruby River (2010 with 2017 update)

• Project Report
• PDF Map
• Field Photos
• Web Map
• 1955 historic photos available by contacting  geoinfo@mt.gov  

Ruby - Clear Creek (2017)

• Project Report 
• PDF Map 1 (lower) 
• PDF Map 2 (upper) 
• Web Map

Sun River (2020)

• Project Report
• PDF Map
• Web Map
• GIS File Geodatabase
• GIS Shapefiles
• 1957 and 1977 Historic Photos

Yellowstone River

• Project Report (2009)
• Project Report (Park County update 2024)
• Web Map
• PDF Maps
  • Custer
  • Dawson
  • Park (2024) (48x32); Park Map Book (11x17)
  • Prairie
  • Richland
  • Rosebud
  • Stillwater
  • Sweet Grass
  • Treasure
  • Yellowstone
• GIS File Geodatabase
• Shapefiles
• ArcGIS Pro Map Project
• Historic photos available through the  Yellowstone Corridor Clearinghouse

Montana CMZ Projects Interactive Map

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