9462

• UCREFRP Catalog Number: 9462
• Author: Mueller, G. A. and P. C. Marsh.
• Title: Lost, A Desert River and Its Native Fishes
• USFW Year: 2002.
• USFW - Doc Type: A Historical Perspective of the Lower Colorado River.
• Copyright Material: NO

Figures (continued)

Page

21. The location where the Colorado River broke through its levee in 1905, AHS 62340. Courtesy of
the Arizona Historical Society, Yuma ........................................................................................................ 20
22. Horse and mule-drawn scrapers help dig the All-American Canal in 1935, P2l2-303-269A.
Courtesy ofthe Bureau of Reclamation, Boulder City, Nevada ................................................................ 21
23. The dredge Colorado straightened 30 miles of the Colorado River near Needles, California. Here
the dredge is tied at Needles in 1949, P423-3000-1808A. Courtesy of the Bureau of Reclamation,

Boulder City, Nevada ................................................................................................................................. 21

24. A diagram of the source and fate of the Colorado River (Harris, 1998) ................................................... 24
25. Location of major dams in the Lower Colorado River Basin .................................................................... 26
26. Theodore Roosevelt Dam, P0025-330-011951. Courtesy of the Bureau of Reclamation, Boulder

City, Nevada ..................................... ............... .................................... .................... ....... ........... ....... ..........26

27. Laguna Dam was built in 1909 and Was the first man-made structure to span the Colorado River,
P45-300-4374. Courtesy of the Bureau of Reclamation, Boulder City, Nevada ....................................... 26
28. Photograph of Boulder Dam, 5119 A. Courtesy of the Bureau of Reclamation, Boulder City,

Nevada...... ................... .... ............ ..... ......... ......... .......... ... ..... ... ...... .... ............ ... .... ............. .... .......... ... ........ 27

29. Parker Dam. Courtesy of the Bureau of Reclamation, Boulder City, Nevada........................................... 27
30. Imperial Dam, P212-3000-3890-1A. Courtesy of the Bureau of Reclamation, Boulder City, Nevada ....27
31. Morales Dam diverts the remaining waters of the Colorado River to Mexicali Valley (1973).
Courtesy of the Bureau of Reclamation, Boulder City, Nevada ................................................................ 28
32. Davis Dam. Courtesy of the Bureau of Reclamation, Boulder City, Nevada ............................................ 28
33. Aerial photographs of the Colorado River channel just downstream of Needles, California taken
in 1938 and 2000. 1938 photograph courtesy of the Bureau of Reclamation, Boulder City, Nevada ...... 30
34. The Colorado River of today is often viewed asa series of "Buckets, pipes, and faucets." Courtesy
of the Dinosaur Nature Association, Vernal, Utah, and High Country News ............................................ 31
35. Comparative photographs of the Colorado River just upstream of Boulder Canyon prior to, and
after being inundated by Lake Mead (1926-2001). 1926 photograph courtesy of the Bureau of
Reclamation, Boulder City, Nevada ........................................................................................................... 33
36. Comparative photographs (1908 and 2001) taken of the Colorado River at Needles, California.
1908 photograph courtesy of the Mohave County Historical Society.......................................................'34
37. Metropolitan Water District's pumping plant on Lake Havasu ................................................................. 35
38. Colorado River water is lifted nearly 800 feet by the Lake Havasu Pumping Plant located on
Lake Havasu near the confluence of the Bill Williams River .................................................................... 35
39. Comparative (1877-2001) photographs of Fort Yuma taken from the Arizona shoreline looking
west (note Fort Yuma located on the top of the hill). 1877 photograph courtesy of the Arizona

Historical Society, Yuma ............................................................................................................................ 36

40. Comparison of average monthly flows of the Colorado River at Yuma prior to 1904-1934
construction of Boulder Dam and current river flows (1972-2000) .........................................................36
41. Aerial view of the Salt River floodplain near Phoenix, Arizona. Photograph by Michael Collier ........... 38
42. Aerial view of the Gila River floodplain near Growler, Arizona. Photograph by Michael Collier .......... 39
43. Razorback sucker. Courtesy of the Arizona Game and Fish Department.................................................. 42
44. Large numbers of razorback suckers congregate along the shoreline of Lake Mohave in late

winter to spawn ........................................................................................................................................... 42

45. Flannelmouth sucker. Courtesy of the Arizona Game and Fish Department ............................................ 43
46. Bonytail. Courtesy of the Arizona Game and Fish Department ................................................................43
47. Humpback chub. Courtesy of the Arizona Game and Fish Department.................................................... 44
48. Roundtail chub. Courtesy of the Arizona Game and Fish Department .....................................................44
49. Colorado pikeminnow. Courtesy of the Arizona Game and Fish Department .......................................... 44
50. Mule with two large Colorado pikeminnow taken from the Salt River, Arizona. Courtesy ofW.L.

Minckley ...... .... ......... ......... ................. .................. ....... ....... ...... ...................... ..... ...... ...... ... ........ ................ 45

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