Hillhead 2012
19 - 21 June 2012
International live demonstration show for the quarrying, recycling and heavy construction industries at Hillhead Quarry, Buxton, UK.
pop-drilling
[img_assist|nid=11994|title=|desc=|link=none|align=right|width=70|height=100]The breaking of large boulders (‘pops’) by drilling holes for small explosive charges.
The monthly journal for the quarry products industry.