another area where rainfall in ravines changed streams is DWGNRA. conashaugh creek ripped its banks out and now runs underground - under rocks really - for a few tenths of a mile.
Conashaugh creek is about 7.5 mi south of milford PA in the DWGNRA. First stream south of raymondskill creek. map below, The little road on the north side of the creek was open to the creek last year. Above that zimmerman road was closed. The underground stream area is maybe half a mile or so north of the point where that little road meets the stream...