The Canning River region, northern Alaska /
by Ernest de K. Leffingwell.

APA Citation

Leffingwell, E. de Koven., United States. Department of the Interior. (1919). The Canning River region, northern Alaska. Washington: Govt. print. off..

MLA Citation

Leffingwell, Ernest de Koven, 1876-, and United States. Department of the Interior. The Canning River Region, Northern Alaska. Washington: Govt. print. off., 1919.

Warning: These citations may not always be complete (especially for serials).