Great Northern Engineering Drawing: Salt Unloader at Havre, Montana, prepared in 1963. Burlington Northern File Number 3A-600-35, Reference Number 10110.

Great Northern Engineering Drawing: Sand House and Bin at Havre, Montana, prepared in 1945. Burlington Northern File Number 9256-1, Reference Number 10112.

Great Northern Engineering Drawing: Search and Load Test Building at Havre, Montana, prepared in 1971. Burlington Northern File Number 9800, Reference Number 10107, Sheet R2.

Great Northern Engineering Drawing: Search and Load Test Building at Havre, Montana, prepared in 1971. Burlington Northern File Number 9800, Reference Number 10109, Sheet E1.

Great Northern Engineering Drawing: Search and Load Test Building at Havre, Montana, prepared in 1971. Burlington Northern File Number 9800, Reference Number 10109, Sheet F1.

Great Northern Engineering Drawing: Search and Load Test Building at Havre, Montana, prepared in 1971. Burlington Northern File Number 9800, Reference Number 10109, Sheet P1.

Great Northern Engineering Drawing: Search and Load Test Building at Havre, Montana, prepared in 1971. Burlington Northern File Number 98, Reference Number 10111, Sheet 001.

Great Northern Engineering Drawing: Search and Load Test Building at Havre, Montana, prepared in 1971. Burlington Northern File Number 9800-2, Reference Number 10110, Sheet 002.

Great Northern Engineering Drawing: Search and Load Test Building at Havre, Montana, prepared in 1971. Burlington Northern File Number 9800, Reference Number 10107, Sheet R1.

Great Northern Engineering Drawing: Search and Load Test Building at Havre, Montana, prepared in 1971. Burlington Northern File Number 9800-6, Reference Number 10107, Sheet 006.