00788nam a22002291  4500001001300000003000400013005001700017008004100034010002200075040005100097043001200148050002200160051002500182100003900207245006200246260004300308300007800351490004100429500005000470650002100520999001700541gs 19000099 DLC20260227111323.0770317s1918    dcuab        f00010 eng c  ags 19000099 //r40  aU.S. Geol. survey. Library  (200)E no. 668cak  an-us-ak0 aQE75b.B9 no. 668  aQE84.N4bC4cCopy 2.10aChapin, Theodore Sheffield,d1876-14aThe Nelchina-Susitna region, Alaska,cby Theodore Chapin.0 aWashington,bGovt. print. off.,c1918.  a67 p.billus., x pl. (part fold., incl. 2 maps in pocket) diagrs.c24 cm.0 aU.S. Geological survey. Bulletin 668  aAt head of title: Department of the interior. 0aGeologyzAlaska.  c25911d25911