Drill-hole survey | Article about drill-hole survey by The Free Dictionary
drill-hole survey[′dril ‚hōl ‚sər‚vā]
References in periodicals archive
Details of Quality Control and drill-hole survey
methodology are reported in Northgate's April 10, 2006 news release that is filed on SEDAR (www.
We await drill-hole survey
data to confirm the accuracy of these locations and elevations.