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USGS NRP Tucson: Sediment Impacts from Disturbed and Undisturbed Lands

The Vigil Network: Tongue River

The Vigil Network: Tongue River
Site Summary

General Information

Site Name: Tongue River, Montana
Location: Tongue River, Montana USA
Principal Investigator: Donald Pape
Address: D'Appolonia Engineers, Englewood, Colorado
Date of Site Establishment and/or Field Measurements: June 1979 and April 1980
Original Date of Submission to the Vigil Network: 18 December 1980

Location at Lower End of Basin

Latitude: 45°23'16" N
Longitude: 106°27'00" W


(ranked in order of importance)

  1. Erosion
  2. Sedimentation
  3. Channel Change

Site Information

Annual precipitation: 305 mm
Elevation: 910 m
Relief: 360 m
Drainage area: 120 km2
Geology: Ft. Union Formation
U.S.G.S. 7.5 minute maps: Birney Day School, MT; Green Creek, MT; Ashland, MT

Stream Channels

Channel cross sections: 79
Bed Profile: 5
Other: 7 Gully Cross Sections


Soil Moisture: Y
Particle Size:
Streambed: 54
Bank: 46

For information on how to obtain USGS topographic maps of this study site, please visit the USGS Maps, Imagery and Publicatinos page at http://www.usgs.gov/pubprod/.

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Page Last Modified: 15 January 2013