Small lock and lock.
This area is just down river from where they plan to locate the Russell Biomass plant.
Some of the numbers
840 tractor trailer loads a week
remove up to 800,000 gallons of water a day from the river
Return 100,000 gallons of warm, polluted water to the river
1600 tons of air pollutants daily
600 feet from homes and 1600 feet from a school
What do you think this area will be like then?
I can remember back 45 to 50 years ago when you could tell what type of paper they were making by the color of the river!
You can follow the trail to the river after you find the cache.