TY - BOOK AU - Weber,B. ED - Geological Survey of Papua New Guinea. TI - Sources of roadmaking and concrete aggregate in the Eastern Highlands District T2 - Note on investigation PY - 1971/// CY - [Port Moresby] PB - Geological Survey KW - Aggregates (Building materials) KW - Papua New Guinea KW - Eastern Highlands Province KW - Road materials N1 - Investigation no. 71437 ER -