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Supplementary Report 817 Device for measuring drill rod and drill hole orientations

Publication Year

1984

Document Status

Current

Abstract

Looks at the Drill Orientation Device (DOD), which has been designed to allow simple and quick measurement of drill rod and drill hole orientations at a level of accuracy consistent with field requirements.

Publisher Information

Transport Research Laboratory

The Transport Research Laboratory (TRL) is an internationally recognised organisation providing research, consultancy, testing and certification for all aspects of transport.

Crowthorne House
Nine Mile Ride
Wokingham
TRL
UK

Website: http://www.trl.co.uk/
Email: enquiries@trl.co.uk
Tel: 01344 773131