Helbock, Richard W. (Ed.). Lake Oswego, OR: La Posta 0 . Periodical. Vol 14, No 2. April 1983. Paper covers. 52 pp. Illustrated. Corner crease to lower cover. Contents clean and tight. Contains articles on The Post Offices of Siskiyou County, Nineteenth Century Oregon Postmarks: Marion County, The Establishment of Dakota Teritory, The Post Offices of Southeastern Alaska (J-K), Railway Post Offices in California, and more. Book: Very Good. Dust Jacket: .