Oil on canvas laid board painting depicting Fort Snelling, Mendota, and Pike Island, 1871. Several figures in the foreground work on breaking ground for locomotive or railroad tracks. After Alfred Sederberg (Swedish/American, 1830-1877). Signed P.E. Charlson and dated along the lower left. Sight; height: 8 3/4 in x width: 16 1/4 in. Framed; height: 12 3/4 in x width: 20 1/4 in.