In 1883, Lincoln County was created from a portion of Spokane County, and four days later it, in turn, lost territory in the creation of Douglas County. Since that time there have been no changes in the boundaries of Lincoln County.
Possible Wave Cut Slope on Marrowstone (washingtonlandscape.blogspot.com) Much of the shoreline bluffs on Marrowstone Island are very abrupt, with a steep vertical drop due to the hard glacial till that can stand for decades as vertical cliffs.