Great Northern Blueprint Number 1016-27-1, map of Washington Electric Encroachment on Great Northern Property, Rock Island to Wennatchee, 1930. Other subject categories: Map

Great Northern Blueprint Number 1016-27-3, map of Washington Electric Encroachment on Great Northern Property, Rock Island to Wennatchee, 1930. Other subject categories: Map

Great Northern Blueprint Number 1016-27-1, map of Washington Electric Encroachment on Great Northern Property, Rock Island to Wennatchee, 1930. Other subject categories: Map

Great Northern Blueprint Number 1016-27-4, map of Washington Electric Encroachment on Great Northern Property, Rock Island to Wennatchee, 1930. Other subject categories: Map

Great Northern Blueprint Number 1332-11, map of Located Line South on Columbia River from Rock Island to Mouth of Wenatchee River, 1892. Other subject categories: Right of Way and Track Map

Smaller copies of West Bar, Washington, Rock Island, Washington and other quadrangle, undated. Other subject categories: Map