Thank you. Living much closer to Zoar, Erik has put in a lot of work the past couple of years. He definitely out-paced me in our two days together.
Other than the canyon rims and some of the slope area, we made no ventures into new territory on this visit. Before I figured I'd explored about 1/3 of Zoar's forest area, but now I'd say it's more like 20%. I made a crude map using Google earth to show what progress we've made so far, but I'm having difficulty uploading it, so I'll give a rough description of what's left to look at. The Main branch has been covered around the first bend west of Point Peter to Knife Edge terrace, plus Erik has looked at some forest upstream from there. Roughly half of the Main branch remains unexplored beyond what Tom Diggins researched about a decade ago, including the forested slopes and rim. The South branch has been explored about a mile upstream from the confluence; this is just terraces, lower slopes, and none of the rims. Beyond the abandoned bridge on what was Forty Rd., as far as I know, the rims and slopes have never been carefully looked at and the terraces have seen no measuring since Diggins. Supposedly much of the South branch is privately held, as well, making access difficult.
The discovery of a tall White pine makes me pretty certain that others exist like it, and the same goes for Erik's slope-dwelling 130'+ Hemlock. I do not think Zoar holds a taller Tulip, Sycamore, Bitternut, Red oak, or Cottonwood, but the rest of the top ten is vulnerable. A taller White ash, White pine, and Hemlock is very likely. I believe the Skinny Dip Tulip is continuing to grow, albeit at a slow rate, and still would not be surprised if a Sycamore catches it eventually. The tallest Skinny Dip Red oak I believe is a foot or two taller than I could measure with the laser, and should be a threat to exceed 150' in the next decade or so, if that's possible. We'll have to wait and see.
"There is nothing in the world to equal the forest as nature made it. The finest formal forest, the most magnificent artificially grown woods, cannot compare with the grandeur of primeval woodland." Bob Marshall, Recreational Limitations to Silviculture in the Adirondacks