King, Trevor S.
Safety And Legislation / by T. S. King - London : Institute of Quarrying, 1991 - 205 pages .; table, illustrations .; 22 cm
Quarries and quarrying--United Kingdom
Safety And Legislation / by T. S. King - London : Institute of Quarrying, 1991 - 205 pages .; table, illustrations .; 22 cm
Quarries and quarrying--United Kingdom