República de Colombia--informe preliminar sobre el estudio del plan de exploración y explotación de las zonas carboníferas.
Contributors: Kokusai Kyōryoku Jigyōdan.
Publisher: Japan International Cooperation Agency
Published: 1976
Place of publication: Tokyo, Japon
Language: spa
Number of pages: 153
Subjects: Coal mines and mining -- Colombia.; Prospecting -- Colombia.
Notes: Folded leaves of plates in pockets.