Papua New Guinea Cave Exploration Group (PNGCEG)Bourke, Mike2019-01-312019-01-3119761973-19820310-3773http://hdl.handle.net/1885/15549242 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.British Speleological Expedition, New Ireland, East New Britain, West Sepik, ChimbuNiugini Caver (Vol. 4, No. 2 (Jun 1976) pp. 43-84)Niugini Caver: Newsletter of the Papua New Guinea Cave Exploration GroupCreative Commons Attribution 4.0 International (CC BY 4.0) licence