This 1886 map of Boulder shows 7th Ave., 6th Ave., 5th Ave., 4th Ave., 3rd Ave., 2nd Ave., 1st Ave., Coffman St., Main St., and Kimbark St. Notable locations shown the Longmont Bottling Works, the Imperial Hotel, Longmont High School, Occidental Hotel, the Catholic Church, the Silver State Hotel, and the Presbyterian Church.