Personal Name:
Preston, Thomas.
Imprint:Billings, Mont. : Discovery Pub., c1996.
Physical Description6 v. : ill., maps ; 29 cm.
Note:Includes indexes.
Note:v. 1. Pacific Northwest : Washington, Oregon, Idaho -- v. 2. Rocky Mountains : Colorado, Montana, Wyoming -- v. 3. Far West : California, Nevada -- v. 4. Desert Southwest : Arizona, New Mexico, Utah -- v. 5. Northern Plains : Kansas, Nebraska, North Dakota, South Dakota -- v. 6. Southwest Plains : Texas, Oklahoma.