View down Lower Marble Canyon below Lees Ferry, showing a well-developed flood-line community. Grand Canyon National Park, Mohave County, Arizona. 1923.

Album caption and index card: The Lower Marble Canyon ends at about kilometer 414.3 and the steep walls of the Inner Gorge give way to less steep talus slopes. In this veiw, looking down the canyon of the Colorado River 437.6 kilometers below Lees Ferry, the flood-line community is well developed above the conspicuous highwater line. The Middle Cambrian Bright Angel Shale is at river level. Typical Mohave Desertscrub species of the foreground include ocotillo, white bursage, and agave. The flood-line community includes western honey mesquite and catclaw. (Altitude 282 meters). Grand Canyon National Park. Mohave County, Arizona. October 13, 1923. (Photo no. 747 by E.C. LaRue). Portion published as Figure 72A in U.S. Geological Survey. [...]