Long Branch Project Site No. 11 Major Spillway

Photograph of a 17-inch pipe on the backside of Site No. 11 Long Breach Watershed Project discharging water from 14 days of periotic rainfall. The back of the photograph proclaims, "Pipe on backside of Site No. 11 Long Breach Watershed Project discharge under from the 17" pipe. From July 13 to 26, 16" of rain fell on this watershed and the water went around the emergency spillway on July 15 following 11" of the rain in 44 hours for about a 3 hour period. Everything worked perfectly and no damage to the bermudagrass cover in the waterway. About 100 to 150' of native grass above the permanent pool contour was damaged by standing water during the rain period."
Date: July 23, 1959
Creator: Chance, R. J.
System: The Gateway to Oklahoma History

Major Spillway

Photograph of a pipe on backside of Site No. 11 Long Branch Watershed Project discharging water from the 17" pipe. From July 13 to 26, 16" of rain fell on this watershed and the water went around the emergency spillway on July 15 following 11' of the rain in 44 hours for about a 3 hour period. Everything worked perfectly and no damage to the bermudagrass cover in the waterway. About 100 to 150' of nativegrass above the permanent pool contour was damaged by standing water during this rain period.
Date: July 23, 1959
Creator: Chance, R. J.
System: The Gateway to Oklahoma History