1904 Oregon State League
The 1904 season was the Oregon State League's 1st, and 4 teams competed in the league that year. The league was not admitted to the National Association until it vacated Vancouver, Washington, which was in the territorial limit of Portland, Oregon of the Pacific Coast League.
Season Began: Thursday, April 28, 1904
Season Ended: Wednesday, July 6, 1904
Marker indicates city location, not venue address.