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Box 1

 Container

Contains 37 Results:

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

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

 File — Box: 1, Folder: 25
Scope and Contents

Photograph taken from under a footbridge during a light rain. Point bar seen on the right is composed of sand and pebbles ranging up to 100mm in diameter. As in figure 24, the creek's banks were covered with vegetation exception where cement existed. The highway can be seen in the upper left hand of the photograph.

Dates: 1983

Tulucay Creek at Napa, 150 feet downstream from bridge of state highways 12 and 29 in Napa, December 9, 1983

 File — Box: 1, Folder: 26
Scope and Contents Photograph was taken from the other side of a fence behind a parking lot. There was a light rain falling at the time. The gage station can been seen in the distance on the left bank in the upper right of the photograph. The area was experiencing some urbanization (the parking lot was fairly new) and the area containing the gage station was being used for cattle grazing. A good representation of bankfull could not be seen. The point bars were irregular and somewhat covered by vegetation....
Dates: December 9, 1983

Looking upstream from road bridge on state highways 12 and 29 in Napa of Tulucay Creek

 File — Box: 1, Folder: 27
Scope and Contents

In this photograph, which is about 170 feet upstream from the gage station, one can see the amount of urbanization going on. Housing projects, cement walls and rocks are artificially changing the roughness of the creek.

Dates: 1983

Millikin Creek near Napa at Hedgeside road bridge, during a light rain

 File — Box: 1, Folder: 28
Scope and Contents

In this photograph looking downstream, one can see the heavy forestation; low banks and roots exposed in a water covered bank. Point bars were composed of sand and gravel with clasts averaging about 60 mm and occasional clasts of 180mm. The gage station is on the other side of the bridge situated very close to it. The area is rural with little alteration of the creek.

Dates: 1983