Great Northern Engineering Drawing: Wastewater Treatment Facility Vacuum Filters at Havre, Montana, prepared in 1979. Burlington Northern File Number 1411, Reference Number 10108, Sheet 001.

Great Northern Engineering Drawing: Wastewater Treatment Facility at Havre, Montana, prepared in 1979. Burlington Northern File Number 1411, Reference Number 10105, Sheet A-2.

Great Northern Engineering Drawing: Wastewater Treatment Facility at Havre, Montana, prepared in 1979. Burlington Northern File Number 1411, Reference Number 10104, Sheet N14.

Great Northern Engineering Drawing: Wastewater Treatment Facility at Havre, Montana, prepared in 1979. Burlington Northern File Number 1411, Reference Number 10102, Sheet E-2.

Great Northern Engineering Drawing: Wastewater Treatment Facility at Havre, Montana, prepared in 1979. Burlington Northern File Number 1411, Reference Number 10101, Sheet E-4.

Great Northern Engineering Drawing: Wastewater Treatment Facility at Havre, Montana, prepared in 1979. Burlington Northern File Number 1411, Reference Number 10105, Sheet E-6.

Great Northern Engineering Drawing: Wastewater Treatment Facility General Arrangement at Havre, Montana, prepared in 1979. Burlington Northern File Number 1411, Reference Number 10107, Sheet 002.

Great Northern Engineering Drawing: Wastewater Treatment Facility Foundation Layout at Havre, Montana, prepared in 1979. Burlington Northern File Number 1411, Reference Number 10107, Sheet 002.

Great Northern Engineering Drawing: Wastewater Treatment Facility Corrugated Plate Interceptor Oil Separator at Havre, Montana, prepared in 1979. Burlington Northern File Number 1411, Reference Number 10107, Sheet 002.

Great Northern Engineering Drawing: Wastewater Treatment Facility Rotary Electric Schematic at Havre, Montana, prepared in 1979. Burlington Northern File Number 1411, Reference Number 10108, Sheet 001.