In 1848 , the region south of the 49th degree of latitude became the United States ' Oregon Territory . In 1850 , Robert Moore was appointed as territorial printer . From 1850 to 1851 Moore was the owner of the '' Oregon Spectator '' newspaper based out of Oregon City . Also in 1850 , Moore became the postmaster for the community . He also advocated for the property rights of Dr. John McLoughlin , whose land holdings in Oregon City were denied in the Donation Land Act of 1850 . Moore remarried in 1851 to Jane Gilbert Tubbs Apperson . In 1854 , a fire destroyed much of Linn City , so the business district was relocated to the west and the city became West Linn . The rest of the city was destroyed by a fire in 1861 before flooding that December wiped out what remained . Robert Moore died on September 2 , 1857 , at the age of 75
flooding that December
Great Flood of 1862
Robert Moore (Oregon pioneer)