USGS logo - link to U.S. Geological Survey Home Page

125 years of science for America

U.S. Department of the Interior
U.S. Geological Survey

Water-Surface Elevation Data and
Flood and Floodway Boundaries
for the Upper Yellowstone River, Montana

In cooperation with the
Montana Department of Transportation
Montana Department of Natural Resources and Conservation
Park Conservation District
U.S. Army Corps of Engineers

Scientific Investigations Map 2868

ONLINE ONLY

By Charles Parrett, Stephen R. Holnbeck, and Katherine J. Chase

The full report is available in Adobe Acrobat® Portable Document Format (PDF).  You will need Adobe Acrobat Reader®, version 5 or higher, to view or print the PDF documents.  If you do not already have this free viewing software or need to upgrade your version, download Adobe Acrobat Reader®.  The PDF files are large, and may take a long time to download.  If you have trouble downloading the files, you may request a copy of the report on CD from the USGS, Montana District or by calling 1-406-457-5900.

 

  • View or download Sheet 1 of the report (39,246 kb PDF)
  • View or download Sheet 2 of the report (20,695 kb PDF)
  • View or download Sheet 3 of the report (13,443 kb PDF)
  • View or download Sheet 4 of the report (20,049 kb PDF)
  • View or download Sheet 5 of the report (20,193 kb PDF)

Contents of Sheet 1

  • Introduction
  • Study area description
  • Methods of analysis
    • Hydrologic analysis
    • Hydraulic analysis
  • Water-surface elevation data
  • Flood boundaries
  • Floodway boundaries
  • Figure 1.  Map showing location of the upper Yellowstone River area, Montana
  • Figures 2-5.  Graphs showing:
    • 2.    Cross section 71, which is typical of a location in the lower study reach with multiple channels and a wide flood plain
    • 3.    Cross section 90, which is typical of a location in the lower study reach where the channel is incised and the flood plain is narrow
    • 4.    Cross section 149, which is typical of a location in the upper study reach with a bridge and pier
    • 5.    Streambed and flood profiles for selected reaches of the Upper Yellowstone River, Montana
  • Table 1.    Largest recorded annual peak discharges for the Yellowstone River at Corwin Springs and near Livingston, Montana, 1890-2001
  • Table 2.    Drainage-area and flood-frequency data for selected stream reaches on the upper Yellowstone River, Montana
  • Map Segment 1.    Flood and floodway boundaries from Carter Bridge to about 0.5 mile upstream from Pine Creek
  • Map Segment 2.    Flood and floodway boundaries from about 0.5 mile upstream from Pine Creek Bridge to about 0.5 mile downstream from Mill Creek

Contents of Sheet 2

  • Summary 
  • References cited
  • Conversion factors, datum, and acronyms
  • Water-surface elevation data
  • Figure 6.    Schematic diagram showing hypothetical cross section with floodway and water-surface elevations for the 100-year flood discharge with and without encroachment in the flood fringe
  • Table 3.    Streambed and water-surface elevation data for the more-detailed, lower study reach of the upper Yellowstone River from Carter Bridge to Point of Rocks bridge, Montana
  • Table 4.    Streambed and water-surface elevation data for the less-detailed, upper study reach of the upper Yellowstone River from Point of Rocks bridge to Gardiner, Montana
  • Map Segment 3.    Flood and floodway boundaries from about 0.5 mile downstream from Mill Creek to about 0.5 mile upstream from Emigrant Creek

Contents of Sheet 3

  • Table 5.    Floodway data for the more-detailed, lower study reach of the upper Yellowstone River from Carter Bridge to Point of Rocks bridge, Montana
  • Map Segment 4.    Flood and floodway boundaries from about 0.5 mile upstream from Emigrant Creek to about 0.1 mile upstream from Point of Rocks bridge

Contents of Sheet 4

  • Map Segment 5.    Flood boundaries from about 0.1 mile upstream from Point of Rocks bridge to about 0.5 mile downstream from Tom Miner bridge
  • Map Segment 6.    Flood boundaries from about 0.5 mile downstream from Tom Miner bridge to about 1 mile downstream from Mol Heron Creek

Contents of Sheet 5

  • Map Segment 7.    Flood boundaries from about 1 mile downstream from Mol Heron Creek to about 2.5 miles upstream from Corwin Springs
  • Map Segment 8.    Flood boundaries from about 2.5 miles upstream from Corwin Springs to Gardiner

 

 




FirstGov button  Take Pride in America button