The Vigil Network Site Index: Last Day Gully

General Information

Site Name: Last Day Gully
Location: Hudson, Wyoming USA
Principal Investigator: William W. Emmett
Address: U.S.G.S. Denver, Colorado USA
Date of Site Establishment and/or Field Measurements: 08/1962, 06/1963, 07/1965, 06/1966, 09/1967, 06/1968
Original Date of Submission to the Vigil Network: 01 November 1968
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Location at Lower End of Basin

Latitude: 42°55'33" N
Longitude: 108°34'19" W
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Purposes

(ranked in order of importance)

1. Channel Change
2. Erosion
3. Sedimentation
4. Mass Movement
5. Vegetation

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Site Information

Annual precipitation:250 mm
Elevation: 1570 m
Relief: 43 m
Drainage area: 0.22 km²
Vegetation: Sagebrush and Grasses
Bench marks: 34
Photography: Ground and low-altitude aerial.
U.S.G.S. 7.5 minute maps: Hudson, WY
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Hillslopes

Erosion stakes: 2
Mass-movement pins: 2
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Stream Channels

Channel cross sections: 16
Scour chains: 3
Bed profile: 1
Headcut retreat: 5
Discharge
Crest-stage gage: 1
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Vegetation

Quadrats: 1
Grasses 1
Shrubs 1
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Miscellaneous

Particle size
Stream bed: 3
Other: Planimetric planetable map
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Links to Data Files

• Report
• Supplemental Report
• Planimetric Map of Site (35 KB)
• Part of Hudson, WY, 1:24,000 USGS Topographic Map (80 KB)
• Part of Lander, WY, 1:250,000 USGS Topographic Map (88 KB)
• Explanation of Column Headings in Tables
• Table 1 - Cross-Section Information
• Table 2 - Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station -(0+85)
• Table 2A - Continuation of Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station -(0+85)
• Table 3 - Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station 0+00
• Table 3A - Continuation of Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station 0+00
• Table 4 - Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station 3+00
• Table 4A - Continuation of Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station 3+00
• Table 5 - Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station 6+00
• Table 5A - Continuation of Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station 6+00
• Table 6 - Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station 9+00
• Table 6A - Continuation of Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station 9+00
• Table 7 - Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station 12+00
• Table 7A - Continuation of Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station 12+00
• Table 8 - Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station 15+00
• Table 8A - Continuation of Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station 15+00
• Table 9 - Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station 18+00
• Table 9A - Continuation of Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station 18+00
• Table 10 - Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station 21+00
• Table 10A - Continuation of Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station 21+00
• Table 11 - Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station 24+00
• Table 11A - Continuation of Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station 24+00
• Table 12 - Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station 27+00
• Table 12A - Continuation of Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station 27+00
• Table 13 - Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station 30+00
• Table 13A - Continuation of Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station 30+00
• Table 14 - Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station 33+00
• Table 14A - Continuation of Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station 33+00
• Table 15 - Cross-Sectional Survey of Ground-Surface Elevation and Erosion, in Feet, Station A-B
• Table 15A - Continuation of Cross-Sectional Survey of Erosion, in Feet, Station A-B
• Table 16 - Cross-Sectional Survey of Ground-Surface Elevation and Erosion, in Feet, Station E-D
• Table 16A - Continuation of Cross-Sectional Survey of Erosion, in Feet, Station E-D
• Table 17 - Cross-Sectional Survey of Ground-Surface Elevation, in Feet, Station C-B
• Table 18 - Long Profile of Channel Bed Elevation, in Feet, Survey of August 7, 1962
• Table 19 - Mass Movement Data
• Table 20 - Channel Scour and Fill Indicated by Scour Chains
• Table 21 - Crest Stage Gage Record of High Water marks, Station 1+55
• Table 22 - Sediment Size Distribution
• Table 23 - Vegetation Description, Quadrat at BM-A
• Table 24 - Location of Channel Headcuts

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For information on how to obtain USGS topographic maps of this study site, please visit the USGS National Mapping Information Page at http://mapping.usgs.gov.

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