Survey Details - Longwood Swallet (Charterhouse-on-Mendip)

Survey Title: Longwood Swallet
Surveyor(s): Stride bros
Year: 1946
Standard: ns
Grade: ng
Scale: 1"=90ft
Size: 6"x3.9"
References: BSA Cav Sci 1(2)57 (1947)
Notes: Redrawn, based on that produced in UBSS Proc 5(3)183