Franklin

MLA

Barker, Fred. Gold Investigations In Precambrian Clastic and Pelitic Rocks, Southwestern Colorado and Northern New Mexico. .

APA

Barker, F. Gold investigations in Precambrian clastic and pelitic rocks, southwestern Colorado and northern New Mexico. .

Chicago

Barker, Fred, Gold Investigations In Precambrian Clastic and Pelitic Rocks, Southwestern Colorado and Northern New Mexico.