Survey Title: Section of the Great Cavern of Eastwater.
Surveyor(s): Balch, H.E.
Year: 1902
Standard: ns
Grade: ng
Scale: 1"=154ft
Size: 5.7"x4.1"
References: Balch, H.E., Spelunca, Bul et mem de la Soc de Spel. 5(39)349 (1904)
Notes: Elevation
Additional Notes: Similar to elevation in Baker & Balch, Netherworld of Mendip, 1907