Minerals Yearbook, 1882- - Washington, D.C. Government Printing Office 1935 - 88 ts, ilus., tbls. La Biblioteca tiene los Aņos: 1935, 1936, 1938-42, 1950-60, 1964, 1965, 1967-92 Subjects--Topical Terms: ANUARIOS MINEROSESTADISTICASMINERIA Subjects--Geographic Terms: ESTADOS UNIDOS Universal Decimal Class. No.: R/622:338(058)/E92