1. Barksdale, J. D. , 1975. Geology of the Methow Valley, Okanogan County, Washington, Washington Division of Geology and Earth Resources Bulletin, No. 68.
2. Bazard, D. R. , 1987. Paleomagnetism of the Late Cretaceous Ventura Member of the Midnight Peak Formation, Methow-Pasayten belt, north-central Washington, MS thesis, Western Washington University, Bellingham.
3. Paleomagnetism of the Methow region, north-central Washington: structural application of paleomagnetic data in a complexly deformed, variably remagnetized terrane;Bazard;Can. J. Earth Sci.,1990
4. Paleomagnetic record of plate-margin processes along the western edge of North America;Beck;J. geophys. Res.,1980