APA (7th ed.) Citation

(1919). Northwest history. Mining. Discovery. 1919-09-06.

Chicago Style (17th ed.) Citation

Northwest History. Mining. Discovery. 1919-09-06. 1919.

MLA (9th ed.) Citation

Northwest History. Mining. Discovery. 1919-09-06. 1919.

Warning: These citations may not always be 100% accurate.