Papua New Guinea Cave Exploration Group (PNGCEG)Bourke, Mike2019-01-312019-01-3119761973-19820310-3773http://hdl.handle.net/1885/15549142 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.Western, highlands, Chimbu, New Ireland, Manus, MorobeNiugini Caver (Vol. 4, No. 1 (Mar 1976) pp. 1-42)Niugini Caver: Newsletter of the Papua New Guinea Cave Exploration GroupCreative Commons Attribution 4.0 International (CC BY 4.0) licence