00754cam a22002291 4500 gs 13000482 DLC 20260227111314.0 780919s1913 dcufb b f000 0 eng c gs 13000482 (OCoLC)4234322 U.S. Geol. Survey. Library TxU DLC premarc TN24.A4 M15 Maddren, A. G. (Alfred Geddes), 1875- The Koyukuk-Chandalar region, Alaska, by A.G. Maddren. Washington, Govt. Print. Off., 1913. 119, vii p. 7 pl., 2 fold. maps (in pocket) 23 cm. Geological Survey (U.S.). Bulletin 532 "Recent Survey publications on Alaska": p. i-viii. Geology Alaska. 25274 25274