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	1.	Mineral resources of the Kotsina-Chitina region, Alaska, by Fred H. Moffit and A. G. Maddren. by Moffit, Fred H. (Fred Howard), 1874-1958? Maddren, A. G. (Alfred Geddes), 1875- [joint author.] Series: United States. Geological survey. Bulletin 374 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington, Govt. print. off., 1909 Availability: No items available. Add to cart (remove)
	2.	The Innoko gold-placer district, Alaska, with accounts of the central Kuskokwim Valley and the Ruby Creek and Gold Hill placers, by A. G. Maddren. by Maddren, A. G. (Alfred Geddes), 1875- Series: Geological Survey bulletin ; 410. Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington, Govt. Print. Off., 1910 Availability: No items available. Add to cart (remove)
	3.	The Koyukuk-Chandalar region, Alaska, by A.G. Maddren. by Maddren, A. G. (Alfred Geddes), 1875- Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington, Govt. Print. Off., 1913 Availability: No items available. Add to cart (remove)

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