Sheridan Hotel Bar interior in Telluride, post-Cornet Creek flood, July 1914. Shows mud, high-water marks, cash register, electric lights, a clock, and a stuffed bird on decorative molding. A calendar denotes the date. (July 1914)

Studio portrait of Denver High School senior, William Harrison Nance. Styled with short, side-parted hair, Nance sports a wool coat and vest, band-collared shirt, and a light tie pinned with a stud. (1892)

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South Main Street view of Gothic, Colorado, shows wooden buildings, parked vehicles, a boy with a German shepherd, and the American flag. Crested Butte looms in the distance. (August 1978)

Three-quarter view of right side of engine, from front end; on display. Photographed: at Colorado Springs, Colo., June 13, 1943. (1943)

Model DH-4B, U.S. Army #60 of squadron from Ft. Sill, Okla. Photographed: at Curtiss-Humphreys Field, Denver, Colo., May 27, 1922. (1922)

Interior view of the Durant mine, Pitkin County, Colorado, shows Mrs. Effie Whinnery riding a mine cart and holding a candle lantern. She wears a long skirt, top coat, gloves, and a wide brimmed hat. (1910)

Snows covers fields, probably in Utah or Colorado; wire fence shows by a house, and mountains are in the background. (1922-1935)

An unidentified, lightweight boxer poses with one arm extended and the other drawn back, Denver, Colorado. He wears a tank shirt with leggings, laced boxing shoes, and half gloves. (1910-1920)

Joe Antonio, chief mechanical inspector, surveys damage from a gas explosion at Garden Elementary School, burning three employees and critically injuring a 7-year-old. Antonio blamed the blast on a lit cigarette. (1959 November 29)

Men and women and children pose in an electric surrey in Denver, Colorado during a sightseeing trip. Lettering reads: "Seeing Denver|" storefront window reads "Schwartz Photos." (1908)

A view of a mounded planting bed with steps, and plant covered gazebo at City Park, Denver, Colorado. A drinking fountain with a tin cup is on the opposite side of the path. (1882-1900)

View of two men riding a horse-drawn carriage near the mouth of an unidentified coal mine, Meeker (Rio Blanco County), Colorado. (1900-1910)

Portrait of young Hispanic man, Leandro Chavez (ca. 1914). Posed in a studio, his hand rests on a draped column, leg crossed. Wearing a suit, tie, and vest with watch chain, hat overhead. (circa 1914.)

Buena Vista, Colorado's Main Street features frame, false-fronted businesses, men, horses, wagons, and piles of rock. Signs include a wine hall, grocery stores, Dr. Bacon's office, and a drugstore. (1885-1890)

Right side of panorama view looks south over pioneer agriculturalist F. E. Sweet's potato fields, near Carbondale, Colorado, to Mount Sopris. (1900-1919)

View of Denver, Colorado during a Cherry Creek flood; shows frame buildings, retaining walls, and people. (1878 May 22)

Spectators watch the Park House, a three-story building with dormer windows and a turret, burn in La Junta, Colorado. Smoke billows from its roof, visible beneath a streetlight. (circa 1900)

View of a Manitou and Pikes Peak Railway Company cog railroad train near the summit of Pikes Peak in El Paso County, Colorado. Boulders and clouds are nearby. (1882-1900)

Cleotha Brown was born in Mississippi to the Mary and Edward Scott family. She moved to Denver with her family in about 1943, and attended Manual High School. (circa 1955)

Bird's eye view of 16th Street in Denver, Colorado, featuring Kittridge and Equitable buildings, businesses such as Carter Brothers Hardware and William D. Nash funeral director, ads like "Coca-Cola", and major transportation. (1909-1910)