Wilderman, Giles <br/><br/>
Exploration Drilling Techniques Used As A "field Determinator" And Data Gatherer In Mill And Plant Desing 

 -  SEGEMARCANADA  1973 
<br/><br/> The Canadian Mining And Metallurgical, Bulletin (december) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Perforaciones