00788nam0-2200277---450-99000981327040332120140122100110.0000981327FED01000981327(Aleph)000981327FED0100098132720140122d1934----km-y0itay50------baengUSa-------001yyPractical mine development and equipmentby Lucien EatonNew York ; LondonMc Graw Hill Book Company1934VIII,405 p.ill.24 cmEaton,Lucien521895ITUNINARICAUNIMARCBK990009813270403321Q 2/2685DINGEDINGEPractical mine development and equipment837909UNINA