1. Archean sequence of the southwestern Big Horn Mountains, Wyoming;Barker;Geol. Soc. Am., Abstr., with Progr.,1976
2. Archean trondhjemites of the southwestern Big Horn Mountains, Wyoming: a preliminary report;Barker,1979
3. Absolute age of early Precambrian rocks in the Bighorn Basin of Wyoming and Montana, and southwestern Manitoba;Gast;Am. Geophys. Union Trans.,1958
4. The geochemistry and evolution of Early Precambrian mantle;Hart;Contrib. Mineral. Petrol.,1977
5. Reconnaissance petrology of Precambrian rocks in the Big Horn Mountains, Wyoming;Heimlich;Contrib. Geol.,1969