You've got a super site down there! Those sycamores are VERY impressive, as well as another ~120 RI site for PA as well! Are all your 12x100 trees single stems? Great stuff.
If possible, I'd encourage you to try and verify the ID on the American elm. If it is an Ulmus americana, you've got a new PA height record.
You also have an identical PA height champ for sassafras at 100.5ft with one in Wintergreen Gorge behind PSU Behrend.
I've been extremely busy lately and haven't checked the ENTS BBS in awhile, so I'm afraid I missed your introduction. Can you please give me a brief look at your background and how you got interested in ENTS? I can be reached for a quicker response off-site at:firstname.lastname@example.org@state.pa.us
Looking forward to reading your future posts!
Dale J. Luthringer
Environmental Education Specialist
Cook Forest State Park
P.O. Box 120
Cooksburg, PA 16217