Great Northern Engineering Drawing: Wastewater Treatment Facility General Arrangement at Havre, Montana, prepared in 1978. Burlington Northern File Number 1411, Reference Number 10107, Sheet 001.

Great Northern Engineering Drawing: Wastewater Treatment Facility Shaft Assembly at Havre, Montana, prepared in 1978. Burlington Northern File Number 1411, Reference Number 10106, Sheet 001.

Great Northern Engineering Drawing: Wastewater Treatment Facility at Havre, Montana, prepared in 1978. Burlington Northern File Number 1411, Reference Number 10111, Sheet G-8.

Great Northern Engineering Drawing: Wastewater Treatment Facility at Havre, Montana, prepared in 1978. Burlington Northern File Number 1411, Reference Number 10110, Sheet M-2.

Great Northern Engineering Drawing: Wastewater Treatment Facility at Havre, Montana, prepared in 1979. Burlington Northern File Number 1411, Reference Number 10104, Sheet G-5.

Great Northern Engineering Drawing: Wastewater Treatment Facility at Havre, Montana, prepared in 1979. Burlington Northern File Number 1411, Reference Number 10104, Sheet G-6.

Great Northern Engineering Drawing: Wastewater Treatment Facility at Havre, Montana, prepared in 1979. Burlington Northern File Number 1411, Reference Number 10102, Sheet A-6.

Great Northern Engineering Drawing: Wastewater Treatment Facility at Havre, Montana, prepared in 1979. Burlington Northern File Number 1411, Reference Number 10105, Sheet N15.

Great Northern Engineering Drawing: Wastewater Treatment Facility at Havre, Montana, prepared in 1979. Burlington Northern File Number 1411, Reference Number 10102, Sheet EN9.

Great Northern Engineering Drawing: Wastewater Treatment Facility at Havre, Montana, prepared in 1979. Burlington Northern File Number 1411, Reference Number 10101, Sheet E-1.