Burlington Northern Engineering Drawing: Wastewater Treatment Facility at Interbay, Minnesota, prepared in 1978. Burlington Northern File Number 1208, Reference Number 10112.

Burlington Northern Engineering Drawing: Wastewater Treatment Facility at Interbay, Minnesota, prepared in 1978. Burlington Northern File Number 1208, Reference Number 10112.

Burlington Northern Engineering Drawing: Wastewater Treatment Facility at Interbay, Minnesota, prepared in 1978. Burlington Northern File Number 1208, Reference Number 10110.

Burlington Northern Engineering Drawing: Wastewater Treatment Facility at Interbay, Minnesota, prepared in 1978. Burlington Northern File Number 1208, Reference Number 10110.