Your search for Columbia County, Oregon revealed 8 records:

Date:	Source:	Location:	Description:
Fall 1997	The Track Record #73	Vernonia	Article in Oregon Hunters Assoc. documents sighting by Portland hunter
Summer 1980	The Bigfoot Casebook	Rainier	Rainier Bill Leon Buol saw dark Bigfoot behind
1980	The Track Record #49	Hwy 30	Goble Track and hair found, berry bushes stripped
1927	The Bigfoot Casebook	Yankton	Multiple Yankton sightings
spring 1972	oregonbigfoot.com	unknown	Bikers hear loud call while on Hwy 30
summer 2003	oregonbigfoot.com	Rainier	Woman hears terrifying shriek near residence, describes livestock disturbance
fall 2003	oregonbigfoot.com	Rainier	Large barefoot tracks found. Resident reports hearing strange sounds
2009	oregonbigfoot.com	Timber	Vocalizations Heard in Timber