Hartley Nature Center is an independent, non-profit, environmental education organization located in the beautiful 660-acre Hartley Park in Duluth, Minnesota www.hartleynature.org
Hartley Nature Center's mission is to inspire lifelong connections with nature through education, play, and exploration.
Twitter-
http://twitter.com/HartleyNature
Picasa Web Albums-
http://picasaweb.google.com/hartleynaturecenter