The Chicago-Colorado Colony (1871–73) established the city of Longmont near the confluence of St. Vrain and Left Hand Creeks in 1871. Financed by wealthy Chicagoans and consisting mostly of immigrants from the Midwest, the colony was an agricultural…

In 1882 a group of Jewish immigrants from Eastern Europe settled at the Cotopaxi Colony. The colony was the result of persistent efforts by several prominent American Jews and Jewish organizations to offer a better life for those fleeing the Pale of…