Portland’s scenic Skyline Boulevard weaves in and out of the forested West Hills, making it a favorite of bikers, runners, and Sunday drivers. With so much natural beauty, many visitors completely miss the sign and winding narrow path leading to an unassuming survey marker that is the ultimate definition of property lines in all of Oregon and Washington since 1851. As part of the 1803 Louisiana Purchase, the United States established the Oregon Territory in 1848 after agreeing on the 49th parallel border with Great Britain. Not surprisingly, the territorial government…
