This file is generated by troggle on Sept. 26, 2023, 5:56 p.m. UTC using the form documented at handbook/survey/ententry.html
False 1626-2018-pw-03 Entrance in the East wall of a large depression (which has 2018-th-02 at its south end), roughly 10m deep. 100m N-S, 10-30m E-W. ? R