Search Results       Your search for [subject]Quarries and quarrying--Congresses returned 1 record.           Opencast mining, quarrying and alluvial mining; proceedings of symposium organized by the Institution in co-operation with Institution of Mining Engineers and Institute of Quarrying, held from 16th-19th November, 1964 _ [London Institution of Mining and Metallurgy, London, 1965]. by Symposium on Opencast Mining, Quarrying and Alluvial Mining, London, 1964.; Subject: Quarries and quarrying--Congresses; Strip-mining--Congresses.          Add to Book Cart Relevance: 24.04%