La Verdad sobre las minas del Telembí.
Contributors: Isaza, Restrepo & Cía.
Publisher: Tall. Gráf. Mundo al Día
Published: 1939
Place of publication: Bogotá
Language: spa
Number of pages: 280
Subjects: Mining law -- Colombia.; Concessions -- Colombia.
Notes: At head of title: Isaza, Restrepo & Cía.