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.
A stone shelter is built over the Del Norte mineral well in Del Norte, Colorado, in Rio Grande County. The shelter is a sandstone structure with a hipped roof with shingles. The silhouette of the well is visible underneath the shelter. A pickup...
Del Norte (Colo.)--1940-1950.; Wells--Colorado--Del Norte--1940-1950.
Newspaper produced by East High School of Denver, Colorado. Included in the paper are photographs of students, articles on school events and sports.
East High School (Denver, Colo.)--Students--Writings.; East High School (Denver, Colo.)--Periodicals.; High schools--Colorado--Denver--Periodicals.; Public schools--Colorado--Denver.; High schools--Colorado--Denver.; East High School (Denver, Colo.)
In a valley, a Denver and Rio Grande Railroad train steams across a trestle on a loop of track identified as Ilium Loop near Ilium (San Miguel County), Colorado. Shows spilt rail fences, log and wood frame buildings, railroad boxcars on a spur, and...
San Miguel County (Colo.)--1880-1900.; Denver and Rio Grande Railroad Company--1880-1900.; Railroad bridges--Colorado--San Miguel County--1880-1900.; Railroad tracks--Colorado--San Miguel County--1880-1900.; Railroads--Colorado--San Miguel...
View of San Miguel Peak and Trout Lake in San Miguel County, Colorado. Snow covers the mountains.
San Miguel County (Colo.)--1880-1900.; San Miguel Peak (Colo.)--1880-1900.; Trout Lake (San Miguel County, Colo. : Lake)--1880-1900.; Lakes & ponds--Colorado--San Miguel County--1880-1900.
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."
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...
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.
Interior view of a classroom laboratory, Colorado School of Mines, Golden, Jefferson County, shows a large group of male students conducting experiments with glass beakers at lab tables with sinks. Glass bottles with stoppers are labeled "ammon...
Golden (Colo.)--1920-1930.; Classrooms--Colorado--Golden--1920-1930.; Universities & colleges--Colorado--Golden--1920-1930.; Colorado School of Mines.
Newspaper produced by East High School of Denver, Colorado. Included in the paper are photographs of students, articles on school events and sports.
East High School (Denver, Colo.)--Students--Writings.; East High School (Denver, Colo.)--Periodicals.; High schools--Colorado--Denver--Periodicals.; Public schools--Colorado--Denver.; High schools--Colorado--Denver.; East High School (Denver, Colo.)
Newspaper produced by East High School of Denver, Colorado. Included in the paper are photographs of students, articles on school events and sports.
East High School (Denver, Colo.)--Students--Writings.; East High School (Denver, Colo.)--Periodicals.; High schools--Colorado--Denver--Periodicals.; Public schools--Colorado--Denver.; High schools--Colorado--Denver.; East High School (Denver, Colo.)