This file is generated by troggle on Oct. 11, 2023, 3:34 p.m. UTC using the form documented at handbook/survey/ententry.html
False The upper entrance (41b) is in a large rift about 30m to the east of the lower (41a) which is a strongly outward-draughting tube in a shattered gully. P Number painted in red S 1623.p41b p41b2 is the easting/northing as found here 1623/41b.htm