The following article contains an answer for the question: What county is listed as the seat of state government in the state that selected Oregon City as its first capital? , can you please find it? 

Before the creation of the Oregon Territory in 1848, the Oregon Country provisional government, through legislation on June 27, 1844, and December 19, 1845, selected Oregon City as Oregon's first capital. J. Quinn Thornton described an early capitol building as 20 by 40 feet with a platform at one end for the president. One of the private buildings this government used was constructed by John L. Morrison in 1850; it served as a capitol until the government moved to Salem. Governor Joseph Lane affirmed Oregon City's status as capital by proclamation. In 1850, the legislature passed an act designating Salem the capital. However, Governor John P. Gaines refused to relocate and remained in Oregon City along with the Oregon Supreme Court (except Justice Orville C. Pratt) until an act of Congress on May 14, 1852, settled the matter in Salem's favor.
On January 13, 1855, the Oregon Territorial Legislature passed a bill moving the seat of government from Salem to Corvallis. Governor George Law Curry and many others objected to the move, since public buildings in Salem were already under construction. Curry sent the matter to the Secretary of the Treasury in Washington, D.C., where Secretary James Guthrie declared the move invalid unless acted on by the United States Congress. Thereafter, Curry and Oregon Secretary of State Benjamin Harding moved back to Salem.
On December 3, 1855, the legislature convened in Corvallis and quickly introduced legislation to move the capital back to Salem. This bill passed on December 15, 1855. Three days later, the legislature re-convened in Salem. However, the statehouse burned down on the 29th, and the legislature re-opened debate about where to seat the capital. They decided to ask the people of the territory to vote on the question. A vote was to be held in June 1856, after which the two cities receiving the most votes would have a runoff. The initial vote set up a runoff between Eugene and Corvallis, but after some ballots were invalidated due to not being cast in accordance with...

Marion County