Montana Channel Migration Zones - Data, Maps, and Reports

Upper Missouri Headwaters

• GIS Database   - contains Beaverhead, Big Hole, East Gallatin, Gallatin, Jefferson, Madison, Ruby, Clear Creek (Ruby)

Beaverhead River (2017)

• Project Report
• PDF Map 1 (tiled lower river)
• PDF Map 2 (tiled upper river) 
• PDF Map 3 (11*17"  combined map pages)  
• Web Map
• 1955 and 1979 historic photos available by contacting  geoinfo@mt.gov  

Big Hole River (2005)

• Project Report
• PDF Map 1 (lower river tiled)
• PDF Map 2 (upper river tiled)
• PDF Map 3 (11*17" combined map pages)
• Web Map
• 1955 and 1979 historic photos available by contacting  geoinfo@mt.gov  

Bighorn River (2021)

• Project Report
• PDF Map
• Web Map
• GIS Database
• 1956 and 1979 historic photos available by contacting  geoinfo@mt.gov  

Clark Fork - Bitterroot to Huson (2009)

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

Clark Fork - Plains Area (2014)

• Project Report
• Web Map
• PDF Map
• GIS Database

Deep Creek (2016)

• Project Report 
• PDF Map 1 (tiled) 
• PDF Map 2  (11by17" combined map pages)   
• GIS Database
• Web Map
• 1947 and 1980 historic photos available by contacting  geoinfo@mt.gov  

East Gallatin River (2017)

• Project Report
• PDF Map 1 (tiled) 
• ​ PDF Map 2  (11 by 17" combined map pages) 
• Web Map
• 1965 and 1979-1980 historic photos available by contacting  geoinfo@mt.gov  

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 Database and Field Photos
• 1956 and 1978 historic photos available by contacting  geoinfo@mt.gov  

Gallatin River (2017)

• Project Report 
• PDF Map 1 (tiled)
• PDF Map 2 (11 by 17" combined map pages)     
• Web Map
• 1965 and 1979-1980 historic photos available by contacting  geoinfo@mt.gov  

Jefferson River (2017)

• Project Report 
• PDF Map 1  (lower river tiled) 
• PDF Map 2   (upper river tiled)   
• PDF Map 3 (11 by 17" combined map pages)
• Web Map
• 1955 and 1979-1980 historic photos available by contacting  geoinfo@mt.gov  

Madison River (2017)

• Project Report 
• PDF Map 1 (lower river tiled)
• PDF Map 2 (upper river tiled) 
• PDF Map 3 (11 by 17" combined map pages)
• Web Map
• 1955-1965 and 1979-1980 historic photos available by contacting  geoinfo@mt.gov  

Musselshell River - Roundup

• GIS Database
• Web Map
• 1953 and 1979 historic photos available by contacting  geoinfo@mt.gov  

Prickly Pear and Lower Tenmile Creeks (2011)

• Project Report
• Web Map
• PDF Map
• GIS Database and Field Photos
• 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 Database
• 1957 and 1977 historic photos available by contacting  geoinfo@mt.gov  

Yellowstone River (2009)

• Project  Report
• Web Map
• PDF Maps
• Channel Migration Zone GIS Database
• Historic Banks GIS Database
• Historic photos available through the  Yellowstone Corridor Clearinghouse

Montana CMZ Projects Interactive Map

View larger map