Introduction to ''Aggregates 101'' : Pit Quarry
Jan 08, 2016· The Pit Quarry Operations Handbook is designed to provide an overview of the aggregates mining process and the business of running a crushedstone quarry or sandandgravel operation. This is basically "Aggregates 101," with several additional tips from industry experts. The first Handbook was published in 1907, nine years before Pit Quarry magazine first debuted.