00917cam a22002651 4500 gs 54000256 DLC 20260227111402.0 770317s1954 dcuab b f00010 eng c gs 54000256 //r85 U.S. Geol. Survey. Libr. ak n-us-ak QE75 .C5 no. 310 TN805.A7 W25 Copy 2. 553.24 Wahrhaftig, Clyde, 1919- Stripping coal deposits on lower Lignite Creek, Nenana coal field, Alaska, by Clyde Wahrhaftig and Joseph H. Birman. Washington, 1954. iv, 11 p. illus., maps (5 fold., 1 col. in pocket) tables. 27 cm. Geological Survey circular 310 Bibliography: p. 11. Coal Alaska Nenana coal field. Birman, Joseph Harold, 1924- joint author. Geological Survey circular ; 310. 28890 28890