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