List of hillside letters in Oregon
This is a list of hillside letters (also known as mountain monograms) in the U.S. state of Oregon. There are at least 39 hillside letters, acronyms, and messages in the state, possibly more; primarily in small towns in the arid eastern half of the state.
- Corning, Evelyn (2007). Hillside Letters A to Z : A Guide to Hometown Landmarks. Missoula, Mont.: Mountain Press Publishing Company.
- Rocha, Guy (June 2004), "Hillside Letters: In Plain Sight But Not Intended for Planes", Sierra Sage
- Parsons, James J. (1988). "Hillside Letters in the Western United States". Landscape. Sante Fe, N.M. 30 (1): 15–23. Retrieved 2011-08-09.