15 años de producción petrolera en el Ecuador, 1925-1939.
Contributors: Coloma Silva, Enrique.
Publisher: República del Ecuador, Ministerio de Minas
Published: 1940
Place of publication: Quito
Language: spa
Number of pages: 236
Subjects: Petroleum industry and trade -- Ecuador.
Other titles: Quince años de producción petrolera en el Ecuador, 1925-1939
Notes: Cover title.
At head of title: Enrique Coloma Silva, director general de minería y petróleos.