Search U.S. government technical reports digitized or harvested by TRAIL.
Use of the churn drill at lime-plant quarries
Rock loading at lime-plant quarries
Quarry problems from the engineer's viewpoint
Drilling and broaching in slate quarries
Study of quarry costs :trap rock, sandstone, granite
The Wire Saw in slate quarrying
Earth vibrations caused by quarry blasting :progress report 1
Primary crushing :progress report no. 3
Prevention of premature shots during springing of deep drill holes in quarries and open-pit workings
Photographic observation of quarry blasting
Vibrations from instantaneous and millisecond-delayed quarry blasts
In situ rock temperature :stress investigations in rock quarries
Large-scale testing of the ripper fragmentation system