Box 1
Contains 37 Results:
San Ramon Creek at San Ramon, December 12 1983
Photograph was taken 50m downstream from Crow Canyon Road looking downstream at 11:30 A.M. on a sunny day.
San Ramon Creek at San Ramon, December 12 1983
Photograph was taken 75 m downstream from Figure 1a, looking downstream.
San Ramon Creek at San Ramon
Photograph was taken where creek comes closest to Fountainhead Dr. where there is a cement path leading to several picnic tables. Aggradation of the creek has nearly covered the tables, and flood waters have transported several of the lower portions of the cement walk several meters. Chicken wire covering large rocks on the right bank is an attempt to prevent the creek from eroding the bank. Photograph was taken at the same time as Figure 1 looking downstream.
Tassajara Creek near Pleasanton, December 2, 1983
Photograph was taken 300m from Santa Rita overpass. Creek runs along highway 580 and turns to run under the highway at the point where the photograph was taken. Photograph taken looking upstream.
Tassajara Creek near Pleasanton, December 2, 1983
This photograph was taken 200m upstream from the figure 3, from the Pimlico Bridge. Here the stream makes a 90-degree turn from the cemented portion to an uncemented portion. Photograph taken looking upstream.
Arroyo Las Positas at El Charro Road, near Pleasanton, December 12, 1983
Photograph taken under El Charro Road bridge looking upstream. Although the stream was primarily untampered with, no point bars were noticed in the area. The velocity of the water was so low that the upstream direction had to be taken from the configuration of ripple structures under the bridge. The banks are composed of silt and clay. Photograph taken looking upstream.
Arroyo Mocho near Pleasanton, December 2, 1983
Photograph taken looking upstream from Santa Rita Road Bridge. Bedload was composed of silts and sand with sparse gravel clasts intermixed.
Arroyo de la Laguna, December 2, 1983
Photograph taken looking upstream from Bernal Bridge off of Highway 680. There was a construction site to the left of the photograph from which material was being dumped into the stream. Point bars were composed of sand and fine gravel.
San Ramon Creek at Walnut Creek, December 2, 1983
Photograph was taken looking upstream from the San Ramon Creek Bridge. No bed material was visible in the area.
Lagunitas Creek near Point Reyes Station, December 5, 1983
Photograph taken from bridge leading to the California Cooperative Creamery off Petaluma - Pt. Reyes Station road. Looking upstream large point bar primarily of gravel with some sand at the lower extent and present in the inlets is seen. It rained the weekend before the photograph was taken.