Structures which were to be inundated by the reservoir were removed before the lake started to fill. The photo appears to show the destruction of one of the piers which supported the Great Northern bridge across the Columbia at Marcus, Washington.
Marcus (Wash.) -- Photographs. Marcus (Wash.) -- Photographs. Marcus (Wash.) -- Photographs. Marcus (Wash.) -- Photographs. Marcus (Wash.) Photographs.
Great Northern depot at Marcus before the town was removed to make way for the reservoir behind Grand Coulee Dam.