| Area | Ukiah |
| Topic | Tour: Russian River, Tributary Photos of York & Ackerman Creeks |
This photo shows the dry stream bed of Ackerman Creek looking downstream off the North State Street Bridge in Ukiah. In the middle of the channel is an Alaska steep pass which is to help adult steelhead over the log sill. The latter was likely placed here to prevent head cutting upstream in this tributary as a result of gravel mining in the mainstem Russian River below. Photo by Patrick Higgins. July 15, 2003.
This photo shows Ackerman Creek in north Ukiah at the same location as Picture #1 but looking upstream. The Highway 101 Bridge is barely visible upstream here. Photo by Patrick Higgins. July 15, 2003.
This is a closeup view of the stream bed of Ackerman Creek at the same location as Pictures 1-2 has mostly fine sediment and small gravel substrate. Photo by Patrick Higgins. July 15, 2003.
A fish ladder very similar to the one on Ackerman Creek (Picture #1) is barely visible here through the willows in the channel of Hensley Creek, shown here looking downstream off the North State Street Bridge. The Alaska Steep Pass is placed at a log sill below the bridge, again likely to prevent down-cutting triggered by gravel extraction downstream in the mainstem Russian. Photo by Patrick Higgins. July 15, 2003.
This photo was taken looking upstream on York Creek off North State Street in Ukiah. Highway 101 is clearly visible just upstream. The riparian here is fairly open and early seral stage. Particle size distribution of the stream bed is small (fines and small gravel). Photo by Patrick Higgins. July 15, 2003.
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