Northern Pacific Engineering Drawing: Changes Account Abandonment of Power Plant at Parkwater, Washington, prepared in 1961. Burlington Northern File Number 4715, Reference Number 10107, Sheet 006.

Northern Pacific Engineering Drawing: Chemical Storage and Equipment Building at Parkwater, Washington, prepared in 1954. Burlington Northern File Number 4716, Reference Number 10105, Sheet 002.

Northern Pacific Engineering Drawing: Chemical Storage and Equipment Building at Parkwater, Washington, prepared in 1954. Burlington Northern File Number 4716, Reference Number 10106, Sheet 003.

Northern Pacific Engineering Drawing: Chemical Storage and Equipment Building at Parkwater, Washington, undated. Burlington Northern File Number 4716, Reference Number 101, Sheet 001.

Northern Pacific Engineering Drawing: Diesel Fueling and Sanding Facilities at Parkwater, Washington, prepared in 1941. Burlington Northern File Number 1531, Reference Number 10110, Sheet 002.

Northern Pacific Engineering Drawing: Diesel Fueling and Sanding Facilities at Parkwater, Washington, prepared in 1947. Burlington Northern File Number 1531, Reference Number 10105, Sheet 001.

Northern Pacific Engineering Drawing: Diesel Fueling and Sanding Facilities at Parkwater, Washington, prepared in 1949. Burlington Northern File Number 1531-M1, Reference Number 10107, Sheet 001.

Northern Pacific Engineering Drawing: Diesel Fueling and Sanding Facilities at Parkwater, Washington, prepared in 1955. Burlington Northern File Number 1531, Reference Number 10112, Sheet 005.

Northern Pacific Engineering Drawing: Diesel Fueling and Sanding Facilities at Parkwater, Washington, prepared in 1955. Burlington Northern File Number 1531-M7, Reference Number 10106.

Northern Pacific Engineering Drawing: Diesel Fueling and Sanding Facilities at Parkwater, Washington, prepared in 1955. Burlington Northern File Number 1531-M4, Reference Number 10112, Sheet 004.