[Fort Laramie O.R. crude "Oregon Route"] postmark, with negative "5" due rate and "JUN 15" handstamps on 1852 cover to Michigan, 5 due positioned in the middle of the postmark, on June 1, 1852 mail left Salt Lake City 12 days late, reached Fort Laramie around June 23, Woodson mail carrier collected this letter enroute and reached Independence around July 8

(MWE Figure 7-4), ex Risvold and Walske (Image)