Biblioteca SEGEMAR Koha

Vista normal Vista MARC Vista ISBD

Injury experience in the sand and gravel industry, 1975 U.S. Bureau of mines. Division of Mining Information Systems Health and Safety Analysis Center - Washington Department of interior 1978

Subjects--Topical Terms:
LESIONES EN LA MINA
MINA DE ARENA
MINA DE GRAVA

Universal Decimal Class. No.: 622.861