Survey Title: (Plan and elevation of Pen Park Hole)
Surveyor(s): Collins, Captain
Year: 1682
Standard: ns
Grade: ng
Scale: 1"=96ft
Size: 2.9"x2.8"
References: Lowthorp, J., Phil. Trans. and Collections, abridged, 2, 72-73
Notes: Based on Trans. Roy. Soc., 1682