00735cam a22002291  4500001001300000003000400013005001700017008004100034010002200075040003300097043001200130050002200142100004000164245007400204260002400278300004400302490003500346500001700381650003700398651003100435830003900466gs 52000047 DLC20260227111358.0770317s1951    dcub         f00000 eng c  ags 52000047 //r85  aU.S. Geol. Survey. Libr.cak  an-us-ak1 aQE75b.C5 no. 14710aTwenhofel, William Stephens,d1918-00aGeology of proposed Blue Lake dam site and tunnel near Sitka, Alaska.0 a[Washington]c1951.  a4 p.bmaps (1 fold., in pocket)c26 cm.1 aGeological Survey circular 147  aCover title. 0aGeologyzAlaskazSitka district. 0a[Blue Lake Dam (Proposed)] 0aGeological Survey circular ;v147.