Clark, H. C. Jr., 1967, Variation of Remanent Magnetic Properties Related to the Differentiation of the Mary's Peak Sill, Oregon, (abs): Trans. Am. Geophys. Union, v. 48, p. 79.

Clark, H. C. Jr., 1959, Remanent Magnetism, Cooling history, and Paleomagnetic Record of the Mary's Peak Sill, Oregon: Journal of Geophysical Research, V. 74, ff. l, pp. 3143-3160.

Clark, H. C. Jr., and Hickcox, A. E., 1970, Remanent magnetic stabillty and cooling history of the Mary's Peak Sill, Oregon (Abs.): Bull. Geol. Soc. Am., V 2, p. 276.

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