Title Record Date
Bull Run Dam 1 : needle valve spillway 09/22/1977
Bull Run Dam 1 : needle valve spillway 09/22/1977
Bull Run Dam 1 : needle valve spillway 09/22/1977
Bull Run Dam 1 : needle valve spillway 09/22/1977
Bull Run Dam 1 : needle valve spillway 09/22/1977
Bull Run Dam 1 : needle valve spillway 09/22/1977
Bull Run Dam 1 : needle valve spillway 09/22/1977
Bull Run Dam 1 : needle valve spillway 09/22/1977
Bull Run Dam 1 : needle valve spillway 09/22/1977
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 Bull Run Dam 1 : needle valve spillway 09/22/1977
JPG
 Bull Run Dam 1 : needle valve spillway 09/22/1977
JPG
 Bull Run Dam 1 : needle valve spillway 09/22/1977
JPG
 Bull Run Dam 1 : needle valve spillway 09/22/1977
Bull Run Dam 1 : needle valve spillway 09/22/1977
Bull Run Dam 1 : needle valve spillway 09/22/1977