Colorado River, Grand Canyon, River Mile 65.5, Palisades Creek, Across Canyon View from River Left, 1991

February 6, 1991: Colorado River, Grand Canyon, River Mile 65.5, Palisades Creek, across canyon view from river left. Lava Canyon Rapid has changed considerably, owing to one or more debris flows over the past century from both sides of the river. The sandbars have decreased considerably, especially in the right foreground but also in the heavily used Lava Canyon camp across the river, and riparian vegetation, including non-native tamarisk, grows on both sides of the channel. Trails created by river runners extend from the Lava Canyon Camp, and another trail, part of the Beamer Trail, weaves through the mesquites in the foreground, many of which persist. Stake no. s1434a in the Southwest Repeat Photography Collection. Photo credit: Robert H. Webb.