Big_Tunnel + Limestone + Acid_Rain =:= Oh_Shit
Ever hear of something called The Delaware Aqueduct ? Yeah, I guessed not. Its an 85 mile long set of three tunnels in New York connecting the Rondout Reservoir in Ulster county, through the West Branch Reservoir in Putnam county, and ending up in the Hillview reservoir in Yonkers. Or, for those of you who aren't from New York (or the U.S.), it basically takes water from a reservoir on that side of the Hudson river, and brings it over to New York city, which is on this side of the Hudson river. See, the thing is, there is this area called The Catskill/Delaware Watershed , which gets a lot of rain. A ton of rain. So much rain that, well, its got more water than you can shake many sticks at. As a result, in the early 20th century, they started building reservoirs there to collect water for New York City which uses that self-same ton of water for all sorts of water-y purposes. Technically, there are three reservoirs there at Neversink , Ashokan , ...