Apuntes sobre la geología de los alrededores de Huschón
By: por Otto A. Welter
Series: Peru. [Instituto geológico] Boletín -- 6; Boletín (Instituto Geológico del Perú) -- 6.
Published: 1946
Place of publication: Lima
Language: spa
Subjects: Geology
Notes: Plate and folded profile each accompanied by transparent leaf with outline drawing.