Las cuencas mineras leonesas (aproximación a su estudio geográfico)
By: Tomás Cortizo Alvarez.
Publisher: Institución Fray Bernardino de Sahagún de la Excma. Diputación Provincial
Published: 1977
Place of publication: León
Language: spa
Number of pages: 107
Subjects: Coal mines and mining -- Spain -- León (Province) -- History.
Notes: Bibliography: p. 103-107.