A 2,500-pound Union Army cannon from the U.S. Civil War of the 1860s, under which is buried a time capsule in front of the Phil Kearney Memorial Hall in Yankton, a city on the Nebraska border in the southeast corner of South Dakota
South Dakota · 1850–1939
A 2,500-pound Union Army cannon from the U.S. Civil War of the 1860s, under which is buried a time capsule in front of the Phil Kearney Memorial Hall in Yankton, a city on the Nebraska border in the southeast corner of South Dakota, South Dakota, 1850–1939. City halls — Modern Federal Architecture, from the Library of Congress record.