Results: 1 - 4 of 4
Jul 31, 1993
Open File Report
… and extracting representative samples were explored. Recommended … of precious metals. Two hundred samples were extracted from the … In addition a limited number of samples were obtained to examine …
Jun 27, 2011
Open File Report
… and conductivity. We also took samples to determine major, minor …
Mar 26, 2012
Open File Report
… of northern Montana. The rock samples were collected during 2008 …
Dec 31, 1974
Earth Sciences Report
… one third to one half of the samples analyzed exceeded …