Survey Title: Cow Hole, Mendip Surveyor(s): Harris, Wyndham Year: 1936 Standard: ns Grade: ng Scale: 1"=50ft Size: 5.3"x3.5" References: Balch, H.E., Mendip, its Swallet Caves and Rock Shelters, 2nd Ed. (1948), p.53 Notes: Elevation only