Northern Pacific Engineering Drawing: Sand Facilities at Centralia, Washington, prepared in 1957. Burlington Northern File Number 5081, Reference Number 10105.

Northern Pacific Engineering Drawing: Sand Facilities Dust Arresting Vent at Centralia, Washington, prepared in 1957. Burlington Northern File Number 5071-5081, Reference Number 10103.

Northern Pacific Engineering Drawing: Sand Facilities at Centralia, Washington, prepared in 1957. Burlington Northern File Number 5081, Reference Number 10105.

Northern Pacific Engineering Drawing: Sand Facilities at Centralia, Washington, prepared in 1957. Burlington Northern File Number 5081, Reference Number 10105.

Northern Pacific Engineering Drawing: Sand Facilities Sand Dispensing Silo at Centralia, Washington, prepared in 1957. Burlington Northern File Number 7750, Reference Number 10103.

Northern Pacific Engineering Drawing: Sand Facilities Steel Details at Centralia, Washington, prepared in 1957. Burlington Northern File Number 7751, Reference Number 10103.

Northern Pacific Engineering Drawing: Sand Facilities Sand Dispensing Silo at Centralia, Washington, prepared in 1957. Burlington Northern File Number 7752-E, Reference Number 10104.

Northern Pacific Engineering Drawing: Sand Facilities at Centralia, Washington, prepared in 1958. Burlington Northern File Number 5081-1, Reference Number 10105, Sheet 001.

Northern Pacific Engineering Drawing: Sand Facilities at Centralia, Washington, prepared in 1958. Burlington Northern File Number 5081-2, Reference Number 10105, Sheet 002.

Northern Pacific Engineering Drawing: Sand Facilities Dry Sand Elevation Tank at Centralia, Washington. Burlington Northern File Number 5071-5081, Reference Number 101.