Report on geological survey of northeastern Luzon
Subtitle: consolidated report.
Contributors: Kinzoku Kōgyō Jigyōdan.; Kokusai Kyōryoku Jigyōdan.; Philippines. Bureau of Mines.
Publisher: Metal Mining Agency; Japan International Cooperation Agency, Government of Japan
Published: 1977
Place of publication: [Tokyo]
Language: eng
Number of pages: 106
Subjects: Geology -- Philippines -- Luzon.; Prospecting -- Philippines -- Luzon.
Notes: At head of title: Republic of the Philippines, Department of Natural Resources, Bureau of Mines.
"Dec. 1977."
Seven plates on folded leaves in pocket.