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	1.	No cover image available High-extraction magnetic filtration : a new beneficiation process for industrial minerals by Murray, Haydn Symposium on industrial minerals of the upper Midwest ( 10 april 1980 : Bloomington) Material type: Article; Format: print Language: Eng In: Geological Society of America bulletin 92(9), part I, 1981, p. 614-620: : ill., graph., tab., rés.(Angl) Availability: No items available.
	2.	No cover image available Geology of the Iron Dyke Mine and surrounding Permian Hunsaker Creek Formation by Bussey, Steven LeAnderson, james Series: U. S. Geological survey professional paper, 1439 Material type: Article; Format: print ; Literary form: Not fiction Language: Eng In: Geology of the Blue Mountains region of Oregon, Idaho, and Washington : stratigraphy, physiography, and mineral resources of the Blue mountains region p. 151-181 : ill., carte, graph., tab. Availability: No items available.

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