Northern Pacific Engineering Drawing: Shopmen's Service Building at Parkwater, Washington, prepared in 1928. Burlington Northern File Number 4796, Reference Number 10106.

Northern Pacific Engineering Drawing: Service Building for Carmen at Parkwater, Washington, prepared in 1953. Burlington Northern File Number 4713, Reference Number 10103, Sheet 002.

Northern Pacific Engineering Drawing: Service Building for Carmen at Parkwater, Washington, prepared in 1949. Burlington Northern File Number 4713, Reference Number 10108, Sheet 001.

Northern Pacific Engineering Drawing: Sanding Tower - Ogle Pre-Dried Sand Facility at Parkwater, Washington. Burlington Northern File Number 4717, Reference Number 101.

Northern Pacific Engineering Drawing: Sanding Tower - Ogle 5 Ton Diesel Sand Tower at Parkwater, Washington, prepared in 1960. Burlington Northern File Number 4717, Reference Number 10104.

Northern Pacific Engineering Drawing: Sanding Tower - Ogle 5 Ton Diesel Sand Tower at Parkwater, Washington, prepared in 1957. Burlington Northern File Number 4717, Reference Number 10110.

Northern Pacific Engineering Drawing: Sanding Tower - Ogle 5 Ton Diesel Sand Tower at Parkwater, Washington, prepared in 1957. Burlington Northern File Number 4717, Reference Number 10110.

Northern Pacific Engineering Drawing: Sanding Tower - Ogle 5 Ton Diesel Sand Tower at Parkwater, Washington, prepared in 1957. Burlington Northern File Number 4717, Reference Number 10110.

Northern Pacific Engineering Drawing: Sanding Tower - Ogle Auto Sand Handling at Parkwater, Washington, prepared in 1957. Burlington Northern File Number 4717, Reference Number 10112.

Northern Pacific Engineering Drawing: Sanding Tower - Ogle Auto Sand Handling at Parkwater, Washington, prepared in 1957. Burlington Northern File Number 4717, Reference Number 10112.