Painter, photographer, and an explorer famous for his images of the American West (1843–1942). ALS signed “W. H. Jackson,” one page, 5.5 x 7, July 12. Letter to “Dear old Maverick.” In full: “We had a hot time at Old Fort Laramie on the 5th and then some warm days up around Deadwood but recent rain over the Laramie Hills has cooled the air to an agreeable chilliness. May remain around here until ‘Frontier Day’ the earlier part of the month—that is—coming and going—here and there.” In fine condition, with light overall toning and a paperclip mark and impression to the upper border. RR Auction COA.