No. 90. From bluffs at Trempealueau, Wisconsin Looking Up Stream

Art Historical Context

Henry P. Bosse's *No. 90. From bluffs at Tremaleau, Wisconsin Looking Up Stream* (1885) captures the dramatic sweep of the Upper Mississippi River elevated bluffs in Trempealeau,. As a pioneering photographer for the U.S. Army of Engineers, Bosse the river's rugged landscapes during a time of rapid American expansion and infrastructure development in the late 19th century. cyanotype offers visitors a vivid glimpse into the untamed natural beauty of the Midwest, where winding waters meet steep bluffs, evoking the era's awe-inspiring frontier spirit. The artwork's medium—a cyanotype—adds to its allure. This early photographic process, invented in 1842, produces striking Prussian blue prints through exposure to sunlight, making it ideal for outdoor documentation. Bosse favored cyanotypes for their affordability, durability, and ability to render expansive vistas with crisp detail, as seen in the 14 1/2 × 17 3/16 in. sheet. Unlike albumen prints, cyanotypes were contact prints, directly scaling the negative to the final image, which preserved the scene's monumental scale. Housed in the Metropolitan Museum of Art's Photographs Department (gift of Charles Wehrenberg and Sally Larsen, 2014), this piece highlights photography's role in scientific surveying and artistic landscape tradition. It bridges engineering precision with poetic interpretation, inviting modern viewers to ponder the Mississippi's enduring majesty.