Papua New Guinea Cave Exploration Group (PNGCEG)Bourke, Mike2019-01-312019-01-3119741973-19820310-3773http://hdl.handle.net/1885/15548332 pagesapplication/pdfen-AUAuthor/s retain copyrighthttps://creativecommons.org/licenses/by/4.0/Papua New Guinea Cave Exploration Group.Caves -- Papua New Guinea -- Periodicals.Speleology -- Periodicals.Caves.Speleology.Papua New Guinea.Southern Highlands, Gulf, Milne BayNiugini Caver (Vol. 2, No. 1 (Jan 1974) pp. 137-158)Niugini Caver: Newsletter of the Papua New Guinea Cave Exploration GroupCreative Commons Attribution 4.0 International (CC BY 4.0) licence