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	1.	No cover image available Recalling the 16th IGC, Washington by Nolan, Thomas Siegrist, Marie Material type: Article; Format: print Language: Eng In: Episodes 10(4), 1987, p. 329-331 : ill., tab. Availability: No items available.
	2.	No cover image available The Upper Ordovician and Silurian hanson creek formation of Central Nevada by Ross, Reuben Nolan, Thomas Harris, Anita Series: U. S. Geological survey professional paper, 1126-C Material type: Article; Format: print ; Literary form: Not fiction Language: Eng In: Shorter contributions to stratigraphy and structural geology, 1979 p. C1-C22 : ill., carte, tab. Availability: No items available.

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