Report on topographic mapping project for Cagayan Valley, the Republic of the Philippines (fourth year).
Contributors: Kokusai Kyōryoku Jigyōdan.
Publisher: Japan International Cooperation Agency
Published: 1982
Place of publication: [Tokyo]
Language: eng
Number of pages: 90
Subjects: Cagayan Valley Topographic Mapping Project.; Topographical surveying -- Philippines -- Cagayan River Valley (Luzon)
Notes: Cover title.
"March, 1982."
"No. 31. SDF J R 82-004."