Survey Title: Plan et coupe de Lamb Lair Cavern
Surveyor(s): Balch, H.E.
Year: 1904
Standard: ns
Grade: ng
Scale: 1"=110ft
Size: 5.6"x5.3"
References: Spelunca, Bull et Mem de la Soc de Spel 5(39)361 (1904)
Notes: Enlarged plan and elevation of that published in Netherworld of Mendip, p.117