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	1.	No cover image available A sillimanite gneiss dome in the Yukon crystalline terrane, east-central Alaska petrography and garnet-biotite geothermometry by Cynthia Dusel-Bacon and Helen L. Foster. by Dusel-Bacon, Cynthia \| Foster, Helen Laura, 1919-. Series: Geological Survey professional paper \| Shorter contributions to general geologyMaterial type: Text; Format: print ; Literary form: Not fiction ; Audience: Specialized; Publication details: Washington U.S. G.P.O. 1983Availability: No items available : Place hold Log in to add tags Add to cart (remove)
	2.	No cover image available The Alaska Mineral Resource Assessment Program : background information to accompany folio of geologic and mineral resource maps of the Circle quadrangle, Alaska / by H.L. Foster ... [et al.]. by Foster, Helen Laura, 1919-. Series: U.S. Geological Survey circular ; 986 ; 986Material type: Set Publication details: [Reston, Va.] : U.S. Geological Survey, 1987Availability: No items available : Log in to add tags Add to cart (remove)

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