00931cam a2200253 a 4500001001300000003000400013005001700017008004100034010002300075040004500098043001200143050002200155051002600177082001500203100003000218245012900248260005200377300003800429490003500467504002500502650005100527700006000578830003900638gs 68000271 DLC20260227111423.0700413s1968    dcuab    b    00010 eng c  ags 68000271 //r905  aU.S. Geological Survey LibrarycDLCdDLC  an-us-ak00aQE75b.C5 no. 570  aTN24.A4bM46cCopy 2.00a557.3/08 s10aMiller, Thomas P.,d1938-10aSuggested areas for prospecting in the central Koyukuk River region, Alaska,cby Thomas P. Miller and Oscar J. Ferrians, Jr.0 aWashington,bU.S. Dept. of the Interior,c1968.  aiii, 12 p.billus., maps.c26 cm.1 aGeological Survey circular 570  aBibliography: p. 12. 0aOre depositszAlaskazKoyukuk River Watershed.10aFerrians, Oscar J.q(Oscar John),d1928-ejoint author. 0aGeological Survey circular ;v570.