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	1.	No cover image available Stratigraphy of upper Paleozoic volcanic rocks and regional unconformities in part of the northern Sierra terrane, California by Harwood, David Material type: Article; Format: print Language: Eng In: Geological Society of America bulletin 94(3), 1983, p. 413-422: : cartes, tab. Availability: No items available.
	2.	No cover image available Geology of Mount Murphy volcano : an 8-m.y history of interaction between a rift volcano and the West Antarctic ice sheet by LeMasurier, Wesley Harwood, David Rex, David Material type: Article; Format: print Language: Eng In: Geological Society of America bulletin 106(2), 1994, p. 265-280: : ill., carte, tab., rés.(Angl) Availability: No items available.

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