Results: 1 - 4 of 4
Dec 01, 1971
Open File Report
… only widely spaced joint sets; d) have little or no surface … rocks available. … Godfrey, J.D. … Godfrey, J.D. (1971): …
Jul 31, 1972
Open File Report
… for cutting and polishing. … Godfrey, J.D. … Godfrey, J.D. (1972): Fort …
Apr 30, 1993
Open File Report
… is essentially unchanged. … Godfrey, J.D. … Hamilton, W.N. … MacDonald, …
Jun 30, 1986
Open File Report
… and zirconium. … Edwards, W.A.D. … Hamilton, W.N. … Godfrey, J.D. … MacDonald, D.E. … Wilson, …