- Preferred Citation:
- "Interstate-Callahan Mill.." Northwest Historical Postcards Collection, PG 9, Postcard Collection, University of Idaho Library Special Collections and Archives, http://www.lib.uidaho.edu/special-collections/.
- Reference Link:
Material determined to be in Public Domain based on date of publication. Material made available by the University of Idaho Library. For more information, please contact University of Idaho Library Special Collections and Archives Department at email@example.com.
- Standardized Rights: