TY - BOOK AU - UNITED STATES DEPARTMENT OF THE INTERIOR TI - MINERALS YEARBOOK 1936 T2 - 0 U1 - 050.547 PY - 1936/// CY - WASHINGTON-USA PB - U.S.GOVERNM.PRINT.OFFICE KW - OBRAS GENERALES N1 - ESTADISTICA-PRODUCCION DE MINERALES/ILUSTRACIONES-MAPAS ER -