US Army Corps of Engineers, Lake Oologah water release channel during water release in winter, January, sign warning of Danger, riprap along water in channel to prevent erosion.

US Army Corps of Engineers, Lake Oologah water release channel during water release in winter, January, sign warning of Danger, riprap along water in channel to prevent erosion.

Photo by mj99

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Stock photo: US Army Corps of Engineers, Lake Oologah water release channel during water release in winter, January, sign warning of Danger, riprap along water in channel to prevent erosion. was taken by mj99 .