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

Survey Title: Longwood Swallet
Surveyor(s): Stride bros
Year: 1946
Standard: ns
Grade: ng
Scale: 1"=120ft
Size: 5.5"x4"
References: Brit Cav 16,93 (1947)
Notes: Same as that produced in UBSS Proc 5(3)183)