Accuracy in estimating metal content and tonnage of an ore body from diamond-drill-hole data

Author:	Koch, George S.,
Additional Authors:	Link, Richard F.,
Year:	1964
Document Type:	BMRA
Issuing Agency:	Bureau of Mines,
SUDOC:	I 28.23:6380
Series:	Report of investigations / Bureau of Mines ;
Report Number:	6380
Subjects:	Boring
	Rock-drills
	Ores--Sampling and estimation
	Diamond drilling
Links:	https://hdl.handle.net/2027/mdp.39015078469254
	no.6361-6380 1964