El sudor del sol
Subtitle: historia de la minería orense
By: Clodoveo Astudillo S.
Series: Ediciones La Tierra -- 38; Ediciones La Tierra (Series) -- 38
Publisher: Ediciones La Tierra
Published: 2007
Place of publication: Ecuador]
Language: spa
Number of pages: 191
ISBN-13: 9789978320365
Subjects: Mineral industries; History
Notes: Includes bibliographical references (p. 155-158).