Survey Title: Sketch of east and west section of Pen Park Hole
Standard: ns
Grade: ng
Scale: nts
Size: 4.8"x4.7"
References: Reproduced from Catcott, G.S., A descriptive account of a Descent made into Penparke-Hole, 1792, frontis
Notes: Brit Cav 11,23 (1943)