Keefer, William Richard, 1924- The geologic story of Yellowstone National Park, [electronic resource] / by William R. Keefer. Illustrated by John R. Stacy.. — [Washington; : For sale by the Supt. of Docs., U.S. Govt. Print. Off.,, 1971]. — xii, 92 p. : illus. 24 cm. — (Geological Survey bulletin 1347). - Geological Survey bulletin ; 1347. .

Bibliography: p. 91-92.



LCCN: 79169200

Subjects--Topical Terms:
Geology--Yellowstone National Park.

LC Class. No.: QE75 QE79 / .B9 no. 1347

Dewey Class. No.: 557.3/08 s 557.87/52

Gov. Doc. Class. No.: I 19.3:1347