There's hand hewn structural beams in the basement and square cut nails so I figure at least 120 yrs old. Records at court house were of no help. What helped the house withstand the elements for so long was the Chestnut frame and 4-5 layers of roofing shingles(ughh).
For the pond, I'd like to do a little fishing and entice some wildlife for viewing.
I'm thinking of HSB, bluegill, Walley(if we do the expansion) and some small mouths. Might spend this next year getting the minnows and shiners established for a food base as long as I can stay patient.