Visitors tour the new Los Osos sewage treatment plant as county officials held a grand opening of the facility on Friday.
Visitors tour the new Los Osos sewage treatment plant as county officials held a grand opening of the facility on Friday. Joe Johnston jjohnston@thetribunenews.com
Visitors tour the new Los Osos sewage treatment plant as county officials held a grand opening of the facility on Friday. Joe Johnston jjohnston@thetribunenews.com