Survey Title: Survey of Lamb Leer Cavern. After McMurtrie 1880 and Balch 1904, resurveyed by...
Surveyor(s): Duck, J.W. and Sharpe, E.W.
Year: 1937
Standard: ns
Grade: ng
Scale: 1"=96ft
Size: 8"x6.2"
References: BSA Cav Cav 1(2)71 (1938)
Notes: Seemingly same as MNRC Report (30)48 but shows more detail.