J. Stephen Conn:
Grand Coulee Dam
J. Stephen Conn:
Franklin D. Roosevelt Lake above Grand Coulee Dam
J. Stephen Conn:
Franklin D. Roosevelt Lake
J. Stephen Conn:
Grand Coulee Dam
J. Stephen Conn:
Grand Coulee Dam Visitors Center
J. Stephen Conn:
Grand Coulee Dam
J. Stephen Conn:
Grand Coulee Dam Plaqaue
J. Stephen Conn:
Grand Coulee Dam
J. Stephen Conn:
Grand Coulee Dam & Interpretive Sign
J. Stephen Conn:
Above Grand Coulee Dam