This web was first found about three weeks prior to the photo and has been spreading slowly. It's out on a point by the lake, probably less than 50 yards from the water. It continues along the park's nature trail for some 200 yards!
They are cannibals...Feeding down there must be really good if they aren’t eating each other.
Looks like fall webworms gone beserk, they’ve been very prolific this year in N. Texas.