Reconnaissance of Porcupine Valley, Alaska
By: by Gerald Fitzgerald.
Series: Geological Survey bulletin -- 933-D; Mineral resources of Alaska
Publisher: U.S. Govt. Print. Off.
Published: 1944
Place of publication: Washington
Language: eng
Number of pages: 243
Subjects: Geology -- Alaska -- Fort Yukon.; Geomorphology -- Alaska.; Rivers -- Alaska.; Physical geography -- Alaska.; Yukon River (Yukon and Alaska)
Notes: Maps on two folded plates following p. 243 (plates 18 and 19).

Includes bibliographical references and index.