https://geoscan.nrcan.gc.ca/starweb/geoscan/servlet.starweb?path=geoscan/fullf.web&search1=R=325570
Canada Department of Mines and Technical Surveys, 1987
Diamond drilling techniques have not been useful in providing representative, undisturbed samples of geotechnical material. Often, core recovery is very low...
Rapport
Texte intégral en ligne