Hillhead 2012
19 - 21 June 2012
International live demonstration show for the quarrying, recycling and heavy construction industries at Hillhead Quarry, Buxton, UK.
boning rod
A T-shaped staff used with other similar staffs to furnish a line of sight whereby, from two given points, other points at the same level or on the same gradient can be established.
The monthly journal for the quarry products industry.