Did you find any of the old (circa 1940) signs in the sag between Bald Knob and Crosby?
There are a couple at the trail junction that joins the route over Bald Knob with the route that parallels Wise Brook (that leads to the south, just east of Bald Knob).
Neat stuff...I think that the signs are courtesy of the folks at Camp Mowglis, back from the days when the camp maintained that trail.