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Box 1

 Container

Contains 37 Results:

Arroyo Corte Madera del Presidio at Mill Valley, December 7, 1983

 File — Box: 1, Folder: 15
Scope and Contents

Photograph taken from the Lagoma street bridge. The bridge from which figure 14 was taken can be seen in the distance. Here existed the only point bar in the area such as it was. The point bar is not very well defined and contains gravels of various sizes, including chunks of asphalt.

Dates: December 7, 1983

Corte Madera Creek at Ross, December 7, 1983

 File — Box: 1, Folder: 16
Scope and Contents

Photograph taken from the lowest extent of the point bar across from the gage station. Here the bar is composed of fine gravels and sand. This bar is one of the larger bars seen for a creek of this size, possibly due to the greater rainfall experienced by the area. Photograph taken looking upstream.

Dates: December 7, 1983

Corte Madera Creek at Ross, December 7, 1983

 File — Box: 1, Folder: 17
Scope and Contents

This photograph was taken 45m upstream from Figure 16 showing the upper extent of the point bar. Here medium size gravels predominate with no sand present on the surface. Photograph taken looking downstream.

Dates: December 7, 1983

Wildcat Creek at Vale Road Bridge, Richmond, December 7, 1983

 File — Box: 1, Folder: 18
Scope and Contents

Photograph taken while it was raining. The photograph was taken from under the bridge and shows the garbage thrown into the creek. The point bar is covered with plants, mostly grasses, and is composed mostly of medium sized gravels. Under the bridge there is a point bar on the opposite side of the creek composed of silty sand with some small pebbles. Photograph taken looking downstream.

Dates: December 7, 1983

Wildcat Creek at Vale Road, Richmond, December 7, 1983

 File — Box: 1, Folder: 19
Scope and Contents

Photograph taken from under the bridge looking upstream.

Dates: December 7, 1983

Walnut Creek at Concord, at Bancroft overpass, December 9, 1983

 File — Box: 1, Folder: 20
Scope and Contents

Photograph taken looking downstream from bridge. The creek is beginning to flood due to the rain that was fairly heavy at the time of the photograph. Breaking anti-dune waves caused by the low roughness due to the smoothness of the cement. The creek is higher than usual due to the rain.

Dates: December 9, 1983

Walnut Creek at Concord, downstream from Bancroft Overpass, December 9, 1983

 File — Box: 1, Folder: 21
Scope and Contents

Photograph was taken 100m from the bridge in the rain. The photograph was taken at the spillway seen in figure 20, and shows the extent of the unnatural creek bed. In the foreground a point bar can be seen which the water is beginning to cover. The whole area was well fenced in so no close examination of the bedform could be made, but the gravel looked coarse.

Dates: December 9, 1983

Arroyo Del Hambre at Martinez at D Street Bridge, December 9, 1983

 File — Box: 1, Folder: 22
Scope and Contents

Photograph taken between showers. Stream was in flood so no bedforms could be seen. Photograph taken from the bridge looking upstream.

Dates: December 9, 1983

Arroyo del Hambre at Martinez at D Street Bridge, December 9, 1983

 File — Box: 1, Folder: 23
Scope and Contents

Photograph taken between showers. The photograph was taken from the bridge looking downstream. The banks steepen and the streams narrows here as compared to the upstream geometry. The banks are composed of partially consolidated silty clay and, in places, cement.

Dates: December 9, 1983

Napa Creek at Napa, 150 feet upstream from bridge on state highway 29

 File — Box: 1, Folder: 24
Scope and Contents

Photograph taken from under a footbridge behind a church. A light rain was falling at the time the photograph was taken. The gage station is about fifteen feet into this photograph.

Dates: 1983