7920

• UCREFRP Catalog Number: 7920
• Author: Van Steeter, M. M., J. Pitlick and B. Cress.
• Title: Aerial Photograph/GIS Analysis and Field Studies of the Grand Valley and Ruby-Horsethief Canyon of the Colorado River.
• USFW Year: 1995.
• USFW - Doc Type: \
• Copyright Material: NO

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I List of Figures
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Figure 1. Location map of the study area 3
I, Figure 2. Map of main channel, islands, and side channel/backwater area 4
I Figure 3. Changes in instream area, island, and side channel area 6
in the Grand Valley between 1937 and 1993
I Figure 4. Maps of historic channel change in the Grand Valley reach 8
I Figure 5. Maps of historic channel change in Ruby-Horsethief Canyon 9
Figure 6. Changes in instream area, island, and side channel area
I in Ruby-Horsethief Canyon between 1937 and 1993 10
Figure 7. Changes in instream area, island, and side channel area
I in Ruby- Horsethief Canyon between 1954 and 1968 12
Figure 8. Hydrograph of 1993 and 1994 at the Palisade and State Line gauges 16
I Figure 9. Channel cross-sections of Site 1. Cross-sections 1-3 are at the
upstream end and 4-6 are at the downstream end 19
I Figure 10. Channel cross-sections of Site 2. Cross-sections 1-4 are at the
upstream end, 5-7 are intermediate, and 8-10 are at the
I downstream end 21
Figure 11. Channel cross-sections of Site 3. Cross-sections 1a-1c are at
I the upstream end, 1 and 2 are intermediate, and 3-5 are at the
downstream end 25
I, Figure 12. Main channel cross-sections of the Palisade site 31
Figure 13. Main channel cross-sections of the Com Lake site 32
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Figure 14. Main channel cross-sections of the Redlands Parkway site 33
I Figure 15. Main channel cross-sections of site RM 162.4 34
I Figure 16. Main channel cross-sections of the Old Gauge site 35
Figure 17. Main channel cross-sections of the New Gauge site 36
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