00960cam a2200265 a 4500 gs 68000271 DLC 20260227111423.0 700413s1968 dcuab b 00010 eng c gs 68000271 //r905 U.S. Geological Survey Library DLC DLC n-us-ak QE75 .C5 no. 570 TN24.A4 M46 Copy 2. 557.3/08 s Miller, Thomas P., 1938- Suggested areas for prospecting in the central Koyukuk River region, Alaska, by Thomas P. Miller and Oscar J. Ferrians, Jr. Washington, U.S. Dept. of the Interior, 1968. iii, 12 p. illus., maps. 26 cm. Geological Survey circular 570 Bibliography: p. 12. Ore deposits Alaska Koyukuk River Watershed. Ferrians, Oscar J. (Oscar John), 1928- joint author. Geological Survey circular ; 570. 30492 30492