Smith, Philip S. 1877-1949. Lake Clark-Central Kuskokwim region, Alaska, by Philip S. Smith. - Washington, Govt. print. off., 1917. - 162 p. illus., XII pl. (incl. fold. maps in pocket) diagrs. 24 cm. - United States. Geological survey. Bulletin 655 . At head of title: Department of the interior. LCCN: gs 18000176 Subjects--Topical Terms: Geology--Alaska--Kuskokwim River Valley. LC Class. No.: QE75 / .B9 no. 655