(Oak Grove or Children's, 25', 1967, 07-02-c) across Porter Brook at Oak Grove Nature Center SE of Manchester, Manchester Township, Hartford County, CT. CT83 N. 0.1 miles from jct with I384 exit 3 just S. of Manchester, E. on CT534 (Charter Oak St.) 0.8 miles, N. on Autum St. 150’, NE on Oak Grove St. to the Nature Center on the E. side of the road. (N41 45.959 W72 30.022) Photo by Dan Brock 4-29-01.