Add to ORKGPhotograph of a view looking up a concrete spillway and across the spillway crest showing the rocky point in the background--which affects the entrance condition. OK-8439
Photograph of a diagram showing a section of a typical floodwater retarding structure
Photograph of a waterway. A newly constructed waterway for a terrace diagonal along the roadside. Th...
Photograph of a diagram showing a section of a typical floodwater retarding structure
Photograph of a shaping area for a concrete chute spillway to stop overfall. OK-3080-
Photograph of a concrete chute spillway in place. Grassed waterway shaped above chute. OK-3080-15
Photograph of principal spillway discharging with lake above approximately 4 feet in flood stage. OK...
Photograph of erosion on the east end of the dam and east bank of the site, looking north from the e...
Photograph of washed out pond dam due to improper spillway construction and heavy rain. OK-4503-11
Photograph of a floodwater retarding structure. Water discharging through 30-inch diameter principal...
Photograph of a drop structure. Looking down a gully before shaping for a drop structure. OK-4922-2
Photograph of an area above erosion control dam. A follow-up of OK-1584-6. OK-1584-6
Photograph looking south along the face of a dam. Kay wall for support of riprap being constructed. ...
Photograph of a floodwater detention structure, Cobb Creek, Site # 2. Looking down on the cente line...
Photograph of a floodwater retarding structure. The water is discharging through a 30-inch diameter ...
Photograph of a floodwater detention structure, Cobb Creek, Site # 2. Looking down on the cente line...
Photograph of a diagram showing a section of a typical floodwater retarding structure
Photograph of a waterway. A newly constructed waterway for a terrace diagonal along the roadside. Th...
Photograph of a diagram showing a section of a typical floodwater retarding structure
Photograph of a shaping area for a concrete chute spillway to stop overfall. OK-3080-
Photograph of a concrete chute spillway in place. Grassed waterway shaped above chute. OK-3080-15
Photograph of principal spillway discharging with lake above approximately 4 feet in flood stage. OK...
Photograph of erosion on the east end of the dam and east bank of the site, looking north from the e...
Photograph of washed out pond dam due to improper spillway construction and heavy rain. OK-4503-11
Photograph of a floodwater retarding structure. Water discharging through 30-inch diameter principal...
Photograph of a drop structure. Looking down a gully before shaping for a drop structure. OK-4922-2
Photograph of an area above erosion control dam. A follow-up of OK-1584-6. OK-1584-6
Photograph looking south along the face of a dam. Kay wall for support of riprap being constructed. ...
Photograph of a floodwater detention structure, Cobb Creek, Site # 2. Looking down on the cente line...
Photograph of a floodwater retarding structure. The water is discharging through a 30-inch diameter ...
Photograph of a floodwater detention structure, Cobb Creek, Site # 2. Looking down on the cente line...
Photograph of a diagram showing a section of a typical floodwater retarding structure
Photograph of a waterway. A newly constructed waterway for a terrace diagonal along the roadside. Th...
Photograph of a diagram showing a section of a typical floodwater retarding structure