The author(s) of GMC Data Report 457 are: De Benedetti, J.J., Rose, Robert, Abrahamson, D.W., and Amoco Oil Co.. The quadrangle(s) in which data can be found: Ambler River, Baird Mountains, De Long Mountains, Howard Pass, Hughes, Misheguk Mountain, Noatak, Point Hope, Selawik, Shungnak, Survey Pass. Reports of this series contain analytical and interpretive data resulting from testing by third parties on material borrowed from sample materials housed at the Alaska Geologic Materials Center. These reports are produced by the third party agency or company that conducted the sampling and analysis. The reports have not undergone technical peer review and should not be used or cited as reviewed data.