Report Number: 425 Middle Ramu Valley Survey (Upper Middle), 83pp. [Maps 425, $25A & 425B.] Includes map with scale 1:100,000 Adicionar à área de transferência AU PMB DOC 540-425j Item 1969 Parte de Land Use Reports Zijsvelt, M.F.W.
Report Number: 437B Middle Ramu Valley, Aiome Area, Land Use, 28pp. Includes map with scale 1"= 1 mile Adicionar à área de transferência AU PMB DOC 540-437B_a Item 1971-08-07 Parte de Land Use Reports Zijsvelt, M.F.W.