Skip to main content

Add or remove other collections to your search:



Narrow your search by:



You've searched: All Collections

  • All fields: Assay
(3311 results)



Display: 50

    • Assay office at Upper Fulford

    • Two abandoned and dilapidated log buildings, one an assay office, are by the side of a two-track road in Upper Fulford, Colorado. The buildings are surrounded by brush, and tall evergreens grow on the hillside behind.
    • Fulford (Colo.)--1960-1970.; Abandoned buildings--Colorado--Fulford--1960-1970.
    • [1960?]
    • Guyot's assay office

    • Illustration depicts Guyot's assay office, Fremont, Colorado prior to incorporation as Cripple Creek; scene includes partial view of one-story log cabin with gable roof, stovepipe and sign on roof stating "Guyot's assay office"; three men stand in...
    • Assaying--Colorado--Cripple Creek--1890-1900.; Cripple Creek (Colo.)--1890-1900.
    • [between 1960 and 1970]
    • Guyot's Assay Office

    • Men stand and pose in front of the log "Guyot's Assay Office" building in Cripple Creek (Teller County), Colorado. Men wear vests or jackets and hats. One man holds probably a canvas bag; another man holds probably a baseball bat. Shows log cabins,...
    • Cripple Creek (Colo.)--1890-1900.; Assaying--Colorado--Cripple Creek--1890-1900.; Log buildings--Colorado--Cripple Creek--1890-1900.; Mining--Colorado--Cripple Creek--1890-1900.
    • [1891?]
    • Assay office interior

    • Interior view of an assay office and laboratory in Cripple Creek (Teller County), Colorado. Shows laboratory equipment, chemical glassware, tools, typewriter, desk, rotating chair, stools, closet, lamps, cabinets, workbench, funnels and a brick...
    • Cripple Creek (Colo.)--1890-1910.; Assayers--Colorado--Cripple Creek--1890-1910.; Interiors--Colorado--Cripple Creek--1890-1910.; Laboratories--Colorado--Cripple Creek--1890-1910.
    • [between 1890 and 1910?]
    • Sts John mine buildings

    • In Saints John, Summit County, Colorado, this two-story log guest house has a rustic porch/balcony, bargeboard, antlers, and external stairs. It is flanked by the foremen's home and the assay office: frame and log buildings.
    • Saints John (Colo.)--1880-1890.; Guesthouses--Colorado--Saints John--1880-1890.; Log buildings--Colorado--Saints John--1880-1890.
    • [between 1880 and 1890?]
    • Fryer Hill

    • Two boys sit on Fryer Hill and look at the Little Pittsburgh Mines office and assay office and the Matchless in Leadville, Lake County, Colorado. Shows frame and log buildings.
    • Leadville (Colo.)--1880-1900.; Mine buildings--Colorado--Leadville--1880-1900.; Mining--Colorado--Leadville--1880-1900.
    • [between 1882 and 1900?]
    • Cripple Creek, Colo., Schuchs' Building

    • Men identified as Philip Schuch Jr. and Earl Akin stand in the door of an assay office, signs read: "Pittsburg - Colorado Sampling Works and Assay Office, Philip Schuch, Jr.," Cripple Creek, Colorado. The business is housed in a false front...
    • Cripple Creek (Colo.)--1870-1900.; Assayers--Colorado--Cripple Creek--1870-1900.; Commercial facilities--Colorado--Cripple Creek--1870-1900.; False fronts--Colorado--Cripple Creek--1870-1900.; Akin, Dean.; Akin, Earl.; Schuch, Philip.
    • [between 1870 and 1900?]
    • Eagle Bird assay office, Battle Mountain, Eagle River [?]

    • Two men lean on a wooden bridge and look toward the Eagle Bird Assay office on the Eagle River, Eagle County, Colorado. Shows the Eagle Bird Mine, mining tramway tracks, cable for an aerial tram from the Belden mine, a mine dump and wood frame...
    • Denver and Rio Grande Railroad Company--1880-1890.; Eagle County (Colo.)--1880-1890.; Eagle River (Colo.)--1880-1890.; Mine buildings--Colorado--Eagle County--1880-1890.; Mining--Colorado--Eagle County--1880-1890.; Pedestrian...
    • [between 1880 and 1890?]
    • Assay laboratory interior

    • Interior view of a mining assay office, in (probably) Colorado; shows a furnace, chemical bottles, beakers, mortars, scales, piled powders, a pouring mold, a dust pan and whisk broom, and label: "Nitric Acid."
    • Assaying--Colorado--1880-1900.; Laboratories--Colorado--1880-1900.; Mining--Colorado--1880-1900.
    • [between 1880 and 1900?]
    • Mine assay office

    • Interior view of the Fifty Gold Mines Corporation mining assay laboratory in Blackhawk, Colorado; shows balance-scales, a distiller, chemical glassware including beakers, funnels, flasks, alembics, mortars, and bottles labeled: "Nitric Acid." A man...
    • Fifty Gold Mines Corporation--1900-1910.; Assaying--Colorado--Blackhawk--1900-1910.; Blackhawk (Colo.)--1900-1910.; Gold--Colorado--Blackhawk--1900-1910.; Laboratories--Colorado--Blackhawk--1900-1910.; Mining--Colorado--Blackhawk--1900-1910.
    • [between 1906 and 1910?]
    • Eaglbird [sic] assay office Battle Mountain

    • View of a mine identified as the Eaglebird Mine on the Eagle River near Gilman on Battle Mountain (Eagle County), Colorado. Shows a foot bridge, a wood frame aerial tram house and assay office, log supports buttressing a tailings pile, and a mine...
    • Battle Mountain (Eagle County, Colo.)--1880-1900.; Eagle County (Colo.)--1880-1900.; Bridges--Colorado--Eagle County--1880-1900.; Mine buildings--Colorado--Eagle County--1880-1900.; Mining--Colorado--Eagle County--1880-1900.
    • [between 1882 and 1900?]
    • Assay office

    • Interior view of an assay office in Denver, Colorado; shows a man, a spittoon, scales, a cash register, and glass display cases.
    • Denver (Colo.)--1910-1920.; Interiors--Colorado--Denver--1910-1920.; Offices--Colorado--Denver--1910-1920.
    • [between 1910 and 1915?]
    • Climax, Colorado assay laboratory

    • Interior view of a mine assay office in Climax, Colorado; shows a workbench with chemical glassware including funnels, beakers and flasks, an electric fan, and a distiller or gas-generator.
    • Assaying--Colorado--Climax--1890-1900.; Climax (Colo.)--1890-1900.; Gold--Colorado--Climax--1890-1900.; Laboratories--Colorado--Climax--1890-1900.; Mining--Colorado--Climax--1890-1900.
    • [between 1890 and 1900?]
    • Assay Office, Argent M Co. Gilmore Property

    • Men pose by an abandoned log cabin identified as the Argent Mining Company Assay Office, on the Gilmore Property in the Platoro Mining District, Conejos County, Colorado.
    • Conejos County (Colo.)--1910-1920.; Log cabins--Colorado--Conejos County--1910-1920.; Miners--Colorado--Conejos County--1910-1920.; Mining--Colorado--Conejos County--1910-1920.
    • [between 1910 and 1920?]
    • The remains of the assay office at Sts. John, Colorado

    • At Saints John, in Summit County, Colorado, a frame building is collapsing with its roof intact. This was the assay office for the Montezuma mining district.
    • Saints John (Colo.)--1950-1960.; Abandoned buildings--Colorado--Saints John--1950-1960.
    • 1957
    • Eagle Bird Assay Office, Battle Mountain, Eagle River Canon

    • View of men, one sits and one stands on a wooden bridge across the Eagle River at Battle Mountain, Eagle County, Colorado. Shows the Assay Office of the Eagle Bird Mine, tram tracks, cable for the aerial tram, and a mine dump.
    • Eagle County (Colo.)--1880-1900.; Eagle River (Colo.)--1880-1900.; Assaying--Colorado--Eagle County--1880-1900.; Canyons--Colorado--Eagle County--1880-1900.; Mine buildings--Colorado--Eagle County--1880-1900.; Mining--Colorado--Eagle...
    • [between 1880 and 1900]
    • Buckeye Cabin, La Sal Mt's. Utah

    • A boy sits in front of Buckeye Cabin in the La Sal Mountains, Utah. A sign reads, "Assay Office Buckeye Cabin." On a table are reagent bottles, a box of assay weights, a beaker, test tubes, glass-stoppered acid bottles, evaporating dishes, and a...
    • Assaying apparatus--Utah--1890-1900.; La Sal Mountains (Utah)--1890-1900.; Boys--Utah--1890-1900.; Equipment--Utah--1890-1900.; Log Cabins--Utah--1890-1900.
    • 1897 Aug. 24
    • Central City, Co

    • United States Air Force soldiers, wearing blue uniforms, white belts, white gloves, berets, and braids over their shoulders, march down Eureka Street in Central City, Colorado. The band members in the front row are playing drums. Spectators stand...
    • United States. Air Force--1970-1980.; Central City (Colo.)--1970-1980.; Parades & processions--Colorado--Central City--1970-1980.; Soldiers--American--Colorado--Central City--1970-1980.
    • [between 1970 and 1975]
    • Assay outfit, Buckeye Cabin

    • A boy and a dog sit beside Buckeye Cabin in the La Sal Mountains, Utah. A sign reads, "Assay Office Buckeye Cabin." On a table are reagent bottles which read, "Acid Nitric HNO₃," "Ammonium Hydroxide NH₄OH," and "Acid Hydrochloric HCL." Also on...
    • Assaying apparatus--Utah--1890-1900.; La Sal Mountains (Utah)--1890-1900.; Boys--Utah--1890-1900.; Equipment--Utah--1890-1900.; Log cabins--Utah--1890-1900.
    • 1897 Aug. 24
    • Central City parade

    • Roundup Riders of the Rockies members ride horseback in a parade on Eureka Street in Central City (Gilpin County), Colorado. Riders carry "3R" banners and a Colorado state flag. Spectators line the sidewalks. Shows St. James' Methodist church, the...
    • Roundup Riders of the Rockies (Colo.)--People--1950-1960.; Central City (Colo.)--1950-1960.; Entertainment--Colorado--Central City--1950-1960.; Horseback riding--Colorado--Central City--1950-1960.; Horses--Colorado--Central City--1950-1960.;...
    • [1958?]
    • Wall Street [sic], Colo.

    • The stone and brick Wallstreet Assay Office has a steep pitched, corrugated metal roof a tall chimney, a fenced yard and a nearby wooden shed in Wallstreet (Boulder County), Colorado. The stone ruins of the Wallstreet Gold Extraction Company Mill...
    • Wallstreet (Colo.)--1940-1950.; Abandoned buildings--Colorado--Wallstreet--1940-1950.; Metallurgical industry--Colorado--Wallstreet--1940-1950.; Mining--Colorado--Wallstreet--1940-1950.; Stone buildings--Colorado--Wallstreet--1940-1950.
    • [between 1940 and 1950?]
    • Bennett Avenue, Cripple Creek

    • Bird's eye view west on Bennett Avenue, Cripple Creek, Colorado; Mount Pisgah is in background; scene includes canvas tents, log buildings and numerous one and two-story buildings, both residential and commercial; one log frame building with side...
    • Cripple Creek (Colo.)--1890-1900.; Pisgah, Mount (Colo.)--1890-1900.; Log buildings--Colorado--Cripple Creek--1890-1900.
    • [1893 or 1894]
    • Snow scene

    • View of deep snow piled in front of Mandy's Assay Office and other scattered wood frame businesses, Leadville, Lake County, Colorado.
    • Leadville (Colo.)--1930-1940.; Blizzards--Colorado--Leadville--1930-1940.
    • 1936
    • Eureka Street, Central City

    • View down unpaved Eureka Street toward Central Hill in Central City, Colorado. Along the wood-plank sidewalk that borders the streets are two clapboard houses with gabled, shingled roofs, and rectangular- shaped windows, next to the side of the...
    • Central City (Colo.)--1930-1940.; Streets--Colorado--Central City--1930-1940.
    • 1937
    • Bonanza

    • Men and women pose on a dirt street in Bonanza (Saguache County), Colorado. Frame buildings have false fronts and signs that read: "F.F. Roby Assayer" and "Second Hand Goods." Miners hold pick axes, shovels, sledge hammers and pose near a pile of...
    • Bonanza (Colo.)--1880-1890.; Assayers--Colorado--Bonanza--1880-1890.; False fronts--Colorado--Bonanza--1880-1890.; Miners--Colorado--Bonanza--1880-1890.; Mining--Colorado--Bonanza--1880-1890.; People--Colorado--Bonanza--1880-1890.
    • [between 1882 and 1890?]
    • Kramer Mines Inc.

    • A man works in an assay office at the Kramer Mine in Salida (Chaffee County), Colorado. Test tubes and chemistry equipment sit on a counter top. The worker wears his shirt sleeves rolled up.
    • Kramer Mine (Chaffee County, Colo.)--1930-1950.; Salida (Colo.)--1930-1950.; Assayers--Colorado--Salida--1930-1950.; Assaying--Colorado--Salida--1930-1950.; Interiors--Colorado--Salida--1930-1950.; Mining--Colorado--Salida--1930-1950.
    • [between 1930 and 1950?]
    • Midland Terminal Railway station, Cripple Creek, Colorado

    • Crowd gathers near Midland Terminal Railway Station constructed in 1896, Bennett Avenue, Cripple Creek, Colorado; scene includes miners with lunch buckets, horse-drawn carriage and riders, and group of men near the depot; street consists of...
    • Cripple Creek (Colo.)--1900-1910.; Railroad stations--Colorado--Cripple Creek--1900-1910.; Streets--Colorado--Cripple Creek--1900-1910.; Midland Terminal Railway.
    • [between 1900 and 1910]
    • Assaying precious metals in Leadville, Colo., $3,723 in two gold bricks on scale pan

    • Interior view of a mine assay laboratory in Leadville, Colorado; shows furnaces, a cabinet balance-scale, ore samples, and a man working with tongs.
    • Assaying--Colorado--Leadville--1860-1870.; Leadville (Colo.)--1860-1870.; Gold--Colorado--Leadville--1860-1870.; Mining--Colorado--Leadville--1860-1870.
    • [between 1860 and 1870?]
    • Eldora

    • The town of Eldora, Colorado, sits along a valley floor adjacent to Jasper Creek. False front, wooden buildings dominate the central business district, and signs include: "Assay Office," "Drugs," "Village Restaurant," and, "Brach." In the...
    • Eldora (Colo.)--1890-1900.
    • [between 1890 and 1899]
    • Evening performance crowd waiting for the Opera House doors to open

    • Image of a large crowd standing on unpaved Eureka Street facing the Central City Opera House in Central City, Colorado, possibly waiting to see "Camille". It is evening, and tree branches, a bright light, and a cloud of smoke are in the upper left...
    • Central City (Colo.)--1930-1940.; Opera houses--Colorado--Central City--1930-1940.; Central City Opera House.
    • 1932
    • Eureka Street, Central City

    • Eureka Street in Central City is framed by two trees without leaves. The Henry M. Teller Law offices and the Opera House are in the foreground. The Teller House is in the center of the image, and the First National Bank block is in the background....
    • Central City Opera House--1930-1940.; Teller House (Central City, Colo.)--1930-1940.; Central City (Colo.)--1930-1940.; Hotels--Colorado--Central City--1930-1940.; Opera houses--Colorado--Central City--1930-1940.; Streets--Colorado--Central...
    •  
    • Blackhawk

    • Interior view of the Fifty Gold Mines Corporation assay laboratory, in Blackhawk, Gilpin County, Colorado; shows a man with water hoses and a brick retort furnace; tongs and crucibles are on a table. The bucket is for collecting mercury used in the...
    • Fifty Gold Mines Corporation--1900-1910.; Assaying--Colorado--Blackhawk--1900-1910.; Blackhawk (Colo.)--1900-1910.; Furnaces--Colorado--Blackhawk--1900-1910.; Gold--Colorado--Blackhawk--1900-1910.; Mining--Colorado--Blackhawk--1900-1910.
    • [between 1906 and 1910?]
    • Chin Chin at the Broadway Theater

    • Members of the cast and crew of "Chin Chin" pose in front of the Broadway Theater at 1756 Broadway in Denver, Colorado. Posters for the show read: "This Week. Charles Dillingham's Greatest Musical Success. Chin Chin." Other signs read: "Husel Tire....
    • Broadway Theater (Denver, Colo.)--People--1910-1930.; Denver (Colo.)--1910-1930.; Actors--Colorado--Denver--1910-1930.; Theaters--Colorado--Denver--1910-1930.
    •  
    • Eureka Street, Central City

    • View up unpaved Eureka Street toward Quartz Hill in Central City, Colorado. The Teller House is in the foreground with a sign that reads, "Hotel Teller House Dining Room." The second sign attached to the building reads, "J.S. Kimball Assay...
    • Central City (Colo.)--1930-1940.; Streets--Colorado--Central City--1930-1940.
    • 1934
    • Eureka Street, Central City

    • View east down Eureka Street toward snow-covered Central Hill, with a wagon drawn by six white, harnessed horses. The driver of the wagon wears a hat and a work suit. The Teller House is to the left of the image and has a sign that reads "Assay...
    • Central City (Colo.)--1890-1900.; Streets--Colorado--Central City--1890-1900.
    • [between 1890-1900]
    • Wall Street [sic], Colo.

    • Stone and frame buildings are beside a dirt road in Wallstreet (Boulder County), Colorado. Shows the stone and brick Wallstreet Assay Office with a steep pitched, corrugated metal roof a tall chimney, a fenced yard and a nearby wooden shed. The...
    • Wallstreet (Colo.)--1940-1950.; Abandoned buildings--Colorado--Wallstreet--1940-1950.; Metallurgical industry--Colorado--Wallstreet--1940-1950.; Mining--Colorado--Wallstreet--1940-1950.; Stone buildings--Colorado--Wallstreet--1940-1950.
    • [between 1940 and 1950?]
    • Cripple Creek strike

    • A crowd gathers around the Colorado National Guard on Bennett Avenue, Teller County, Cripple Creek, Colorado, during the Western Federation of Miners strike. Signs on business buildings read: "Benedict's Assay Office", "Newport", "New York Life...
    • Colorado. National Guard--Colorado--Cripple Creek--1900-1910.; Cripple Creek Strike, Cripple Creek, Colo., 1903-1904.; Cripple Creek (Colo.)--1900-1910.; Horseback riding--Colorado--Cripple Creek--1900-1910.; Militia--Colorado--Cripple...
    • 1903 September 6
    • Panoramic photograph of Eldora, looking north.

    • Panoramic view of Eldora (Boulder County), Colorado; numbered locations are: "1. power house, Mogul Tunnel, 2. Bank of Eldora, 3. residence of Mick Langley, 4. grocery store, J. Greenlee, 5. Weldon House (board), 6. residence, John H. Kemp, Happy...
    • Eldora (Colo.)--1890-1900.; Cities & towns--Colorado--Eldora--1890-1900.
    • 1899 August
    • Scene at Mining Exchange building, Cripple Creek

    • Crowd gathers around the Colorado National Guard and business buildings, Bennett Avenue, Cripple Creek, Teller County, Colorado during the Western Federation of Miners strike. Signs read: "Benedict's Assay Office", "Newport", "New York Life Ins....
    • Colorado. National Guard--Colorado--Cripple Creek--1900-1910.; Cripple Creek Strike, Cripple Creek, Colo., 1903-1904.; Cripple Creek (Colo.)--1900-1910.; Crowds--Colorado--Cripple Creek--1900-1910.; Horseback riding--Colorado--Cripple...
    • 1903 September 21
    • Old Time Assayers Office, Cripple Creek, Colo

    • Interior view of a mine assay laboratory in Cripple Creek, Colorado; shows a brick retort furnace, washtubs, buckets, a shovel, pulleys and drive belts.
    • Assaying--Colorado--Cripple Creek--1880-1900.; Cripple Creek (Colo.--1880-1900.; Gold--Colorado--Cripple Creek--1880-1900.; Laboratories--Colorado--Cripple Creek--1880-1900.; Mining--Colorado--Cripple Creek--1880-1900.
    • [between 1880 and 1900?]
    • Looking west Main St. Eldora, Colo.

    • The view along Main Street in Eldora, Colorado, shows several men a woman and a dog in front of the many shops that line the street. Signs include: "The Mogul House, Meals 25 cents," "The Somerset House," "Livery, Feed, & Sale Stable," "City...
    • Eldora (Colo.)--1890-1900.; Streets--Colorado--Eldora--1890-1900.
    • 1899
    • Gus Hill's Minstrels, Chas. A. Williams, Mgr. Broadway Theatre Denver, Colo.

    • Photomontage and panoramic photograph of the Gus Hill Minstrels at the Broadway Theater, 1756 Broadway, in Denver, Colorado. Men in kepi hats and blue wool coats with large buttons pose at the front entrance of the theater. Some band members hold...
    • Broadway Theater (Denver, Colo.)--People--1920-1930.; Gus Hill Minstrels--People--1920-1930.; Denver (Colo.)--1920-1930.; Bands--Colorado--Denver--1920-1930.; Entertainers--Colorado--Denver--1920-1930.; Theaters--Colorado--Denver--1920-1930.
    • 1920, March 29
    • Court house scene at Cripple Creek

    • A crowd of people is gathered outside the Gold Mining Stock Exchange building at 373-379 East Bennett Avenue in Cripple Creek (Teller County), Colorado, during the Western Federation of Miners strike. Signs read: "G.R. Lewis & Co.," "Benedict's...
    • Colorado. National Guard.--Colorado--Cripple Creek--1900-1910.; Cripple Creek Strike, Cripple Creek, Colo., 1903-1904.; Cripple Creek (Colo.)--1900-1910.; Commercial streets--Colorado--Cripple Creek--1900-1910.; Crowds--Colorado--Cripple...
    • [1903 September 21]
    • Denver 1700 block on Champa

    • Pedestrians and men with bicycles stand on the sidewalk and in the street on the 1700 block of Champa Street in Denver, Colorado. Signs on the nearby buildings read: "Bicycle Repairing," "Tin Shop," "Plumbing," "Merle Furnished Rooms Transient,"...
    • Denver (Colo.)--1900-1910.; Bicycles & tricycles--Colorado--Denver--1900-1910.; Streets--Colorado--Denver--1900-1910.
    • [between 1900 and 1910?]
    • Eldora, Colorado 1890-99 (prints)

    • Snow is piled up in front of the Assay Office of Welch and Bancroft on Eldorado Avenue in Eldora, a mining town in Boulder County, Colorado. An unidentified man sts on a log in the left midground at the base of a mound of snow where two young boys...
    • Assayers--Colorado--Eldora--1890-1900.; Boulder County (Colo.)--1890-1900.; Eldora (Colo.)--1890-1900.; Blizzards--Colorado--Eldora--1890-1900.; Children playing in snow--Colorado--Eldora--1890-1900.; Sleds & sleighs--Colorado--Eldora--1890-1900.
    • [between 1935 and 1950?]

QuickView

Display a larger image and more item information when the pointer pauses over a thumbnail
 

Layout options:

Select the collections to add or remove from your search
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
 
OK
Select the collections to add or remove from your search
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
 
OK