1. A walk to every block on the island of Manhattan (October 2011 - May 2012)
2. Walks following the routes of all the water tunnels in New York City. (June 2012 - )
3. Other explorations of water and cities (November 2014 - ) 4. Scientific devices
Monday, May 30, 2016
Green Bay Waster Water Treatment Plant, Wisconsin
The Waste Water Treatment Plant in Green Bay, last upgraded in the 1970s, now upgrading again to meet higher demand and newer federal treatment standards.