Results: 1 - 6 of 6
Dec 31, 1997
Open File Report
… targets. Bark, twig and stem samples from trembling aspen trees … Bark, twig and stem aspen samples yielded a significant … twig, and Cs and Nd from stem samples. Elements that are depleted …
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 …
Jan 31, 2005
Earth Sciences Report
… glacial drift. A total of 806 samples was collected during …
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 …