Methods and costs of gravel and placer mining in Alaska /
by Chester Wells Purington.

APA Citation

Purington, C. Wells. (1905). Methods and costs of gravel and placer mining in Alaska. Washington: Govt. Print. Off..

MLA Citation

Purington, Chester Wells, 1871-. Methods And Costs of Gravel And Placer Mining In Alaska. Washington: Govt. Print. Off., 1905.

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