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	1.	The earth, past & present / Richard W. Ojakangas, David G. Darby by Ojakangas, Richard W Darby, David G, 1932- [jt. aut] Series: McGraw-Hill earth science paperback series Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: New York : McGraw-Hill, c1976 Availability: Items available for loan: National Library of India (1)Call number: E550 Oj1. Place hold Request article Save to lists
	2.	No cover image available Sedimentology and provenance of the Early Proterozoic Michigamme Formation and Goodrich Quartzite, northern Michigan : regional stratigraphic implications and suggested correlations / by Richard W. Ojakangas by Ojakangas, Richard W Series: U.S. Geological Survey bulletin ; 1904-R Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Washington, D.C. : U.S. G.P.O., 1994 Availability: Items available for loan: National Library of India (1)Call number: U.S. 551.71509774 Oj 1. Place hold Request article Save to lists

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