Borrow pit at Station 2726 to Station 2728 man at left in bottom of pit, Showing excessive width of Borrow Pit not required for excavation," Eagle or Garfield County, Colorado, shows the Denver and Rio Grande Western railroad tracks to Glenwood...
Denver and Rio Grande Western Railroad Company--1920-1930.; Eagle County (Colo.)--1920-1930.; Garfield County (Colo.)--1920-1930.; Railroad tracks--Colorado--Eagle County--1920-1930.
View of an open pit Molybdenum mine near Leadville, Lake County, Colorado; mining machinery includes a scoop-crane, a dump truck, a tracklayer tractor, and a truck.
View of Shoshone borrow pit, Station 2994 and 3002, on Denver and Rio Grande Western Railroad tracks in Glenwood Canyon, Garfield County, Colorado (beginning of contract #11962); shows rock canyon walls, power lines, and men.
Denver and Rio Grande Western Railroad Company--1920-1930.; Garfield County (Colo.)--1920-1930.; Glenwood Canyon (Colo.)--1920-1930.; Holes--Colorado--Garfield County--1920-1930.; Railroad tracks--Colorado--Garfield County--1920-1930.
Standing at Station 2852 plus 50 looking easterly at a borrow pit, along the Denver and Rio Grande Western railroad tracks to Glenwood Springs, Eagle of Garfield County, Colorado.
Denver and Rio Grande Western Railroad Company--1920-1930.; Eagle County (Colo.)--1920-1930.; Garfield County (Colo.)--1920-1930.; Railroad tracks--Colorado--Garfield County--1920-1930.
"Standing at Station 2751 looking easterly," Eagle or Garfield County, Colorado, along the borrow pit and the Denver and Rio Grande Western railroad tracks to Glenwood Springs.
Denver and Rio Grande Western Railroad Company--1920-1930.; Eagle County (Colo.)--1920-1930.; Garfield County (Colo.)--1920-1930.; Railroad tracks--Colorado--Eagle County--1920-1930.
A pit between Pithouses B and C of Step House, a cliff dwelling in Mesa Verde National Park, stands in the foreground. Small slabs of sandstone line the sides of the pithouse in the background. A piece of dark wood protrudes from the dirt ground of...
Mesa Verde National Park (Colo.)--1920-1930.; Step House (Colo.)--1920-1930.; Pit dwellings--Colorado--1920-1930.; Archaeological sites--Colorado--1920-1930.; Cliff dwellings--Colorado--1920-1930.
A large, dirt pit stands between Pithouses B and C at the Step House cliff dwelling in Mesa Verde National Park. Pithouse C is in the background. People have left footprints on the dirt ground.
Mesa Verde National Park (Colo.)--1920-1930.; Step House ( Colo.)--1920-1930.; Pit dwellings--Colorado--1920-1930.; Archaeological sites--Colorado--1920-1930.; Cliff dwellings--Colorado--1920-1930.
View of the Bingham Copper Mine, in Bingham Canyon, Utah. Shows an enormous open pit mine with tiers, mine railroad tracks, freight cars filled with ore, and electric towers for the railroad.
View shows surface mining equipment and buildings at the bottom of the open pit Kennecott Bingham Copper mine, Utah. Other equipment is visible working on the many tiers of the pit.
Kennecott Copper Corporation. Utah Copper Division--1910-1930.; Mine buildings--Utah--1910-1930.; Bingham Copper Mine (Salt Lake County, Utah)--1910-1930.; Utah--1910-1930.; Copper mining--Utah--1910-1930.; Mining--Utah--1910-1930.; Strip...
A view of the orchestra pit and stage at Red Rocks Amphitheater during construction, Red Rocks Park, Morrison, Jefferson County, Colorado. The ramp houses and "Sounding rocks" are in the background.
Denver Mountain Parks--1930-1950.; Red Rocks Amphitheater (Colo.)--1930-1950.; Morrison (Colo.)--1930-1950.; Red Rocks Park (Colo.)--1930-1950.; Amphitheaters--Colorado--Morrison--1930-1950.; Construction--Colorado--Morrison--1930-1950.;...
Two miners in a gold placer mine pit, Montana; one operates a nozzle (monitor) and one uses a shovel. Shows sluice boxes in pit, a woman with a horse stands on the rim.
View of borrow pit at Station 2849 to 2857, and Denver and Rio Grande Western Railroad tracks, Glenwood Canyon, Garfield County, Colorado.
Denver and Rio Grande Western Railroad Company--1920-1930.; Garfield County (Colo.)--1920-1930.; Glenwood Canyon (Colo.)--1920-1930.; Holes--Colorado--Garfield County--1920-1930.; Railroad tracks--Colorado--Garfield County--1920-1930.
View of Shoshone borrow pit and Denver and Rio Grande Western Railroad tracks in Glenwood Canyon, Garfield County, Colorado.
Denver and Rio Grande Western Railroad Company--1920-1930.; Garfield County (Colo.)--1920-1930.; Glenwood Canyon (Colo.)--1920-1930.; Holes--Colorado--Garfield County--1920-1930.; Railroad tracks--Colorado--Garfield County--1920-1930.
View of Station 2879 and 2886 on Denver and Rio Grande Western Railroad tracks with canyon walls and power lines, Glenwood Canyon, Garfield County, Colorado. A man is in the borrow pit.
Denver and Rio Grande Western Railroad Company--1920-1930.; Garfield County (Colo.)--1920-1930.; Glenwood Canyon (Colo.)--1920-1930.; Holes--Colorado--Garfield County--1920-1930.; Railroad tracks--Colorado--Garfield County--1920-1930.
Borrow pit Station 3104 to 3110 showing east portion of pit along the Denver and Rio Grande Western Railroad tracks, Glenwood Canyon, Garfield County, Colorado.
Denver and Rio Grande Western Railroad Company--1920-1930.; Garfield County (Colo.)--1920-1930.; Glenwood Canyon (Colo.)--1920-1930.; Railroad tracks--Colorado--Garfield County--1920-1930.
Borrow pit Station 3104 to 3110 showing west portion of pit along Denver and Rio Grande Western Railroad tracks, Glenwood Canyon, Garfield County, Colorado.
Denver and Rio Grande Western Railroad Company--1920-1930.; Garfield County (Colo.)--1920-1930.; Glenwood Canyon (Colo.)--1920-1930.; Holes--Colorado--Garfield County--1920-1930.; Railroad tracks--Colorado--Garfield County--1920-1930.
View of borrow pit at Station 3083 and 3085 on Denver and Rio Grande Western Railroad tracks in Glenwood Canyon, Garfield County, Colorado. Man on center of old track; signal light reads: "3522."
Denver and Rio Grande Western Railroad Company--1920-1930.; Garfield County (Colo.)--1920-1930.; Glenwood Canyon (Colo.)--1920-1930.; Holes--Colorado--Garfield County--1920-1930.; Railroad tracks--Colorado--Garfield County--1920-1930.
View of Shoshone borrow pit on Denver and Rio Grande Western Railroad tracks in Glenwood Canyon, Garfield County, Colorado; shows rock canyon walls and power lines.
Denver and Rio Grande Western Railroad Company--1920-1930.; Garfield County (Colo.)--1920-1930.; Glenwood Canyon (Colo.)--1920-1930.; Holes--Colorado--Garfield County--1920-1930.; Railroad tracks--Colorado--Garfield County--1920-1930.
View of borrow pit at Station 3088 and 3092, on Denver and Rio Grande Western Railroad tracks in Glenwood Canyon, Garfield County, Colorado. Man on center of old track.
Denver and Rio Grande Railroad Company--1920-1930.; Garfield County (Colo.)--1920-1930.; Glenwood Canyon (Colo.)--1920-1930.; Holes--Colorado--Garfield County--1920-1930.; Railroad tracks--Colorado--Garfield County--1920-1930.
View of Station 2879 and 2886 on Denver and Rio Grande Western Railroad tracks, Glenwood Canyon, Garfield County, Colorado; Colorado River and power lines show in background. A man is in the borrow pit.
Denver and Rio Grande Western Railroad Company--1920-1930.; Garfield County (Colo.)--1920-1930.; Glenwood Canyon (Colo.)--1920-1930.; Holes--Colorado--Garfield County--1920-1930.; Railroad tracks--Colorado--Garfield County--1920-1930.
View of Shoshone borrow pit on Denver and Rio Grande Western Railroad tracks in Glenwood Canyon, Garfield County, Colorado; also shows sheer rock formations.
Denver and Rio Grande Western Railroad Company--1920-1930.; Garfield County (Colo.)--1920-1930.; Glenwood Canyon (Colo.)--1920-1930.; Holes--Colorado--Garfield County--1920-1930.; Railroad tracks--Colorado--Garfield County--1920-1930.
View of Saw Pit (San Miguel County), Colorado, shows wooden buildings, Rio Grande Southern Railroad tracks, San Juan mountains, and the San Miguel River.
San Miguel River (Colo.)--1890-1900.; Rio Grande Southern Railroad--1890-1900.; Sawpit (Colo.)--1890-1900.; Railroad tracks--Colorado--Sawpit--1890-1900.; Rivers--Colorado--Denver--1890-1900.
Miners work on timber supports near a crane at the Gold Pan Pit near Breckenridge (Summit County), Colorado. Other miners aim monitors or nozzles at the ground nearby.
Breckenridge (Colo.)--1900-1920.; Gold Pan Mine (Summit County, Colo.)--1900-1920.; Hoisting machinery--Colorado--Breckenridge--1900-1920.; Holes--Colorado--Breckenridge--1900-1920.; Hydraulic mining--Colorado--Breckenridge--1900-1920.;...
"Borrow pit at Station 2803 to Station 2806," along the Denver and Rio Grande Western railroad tracks to Glenwood Springs, Eagle or Garfield County, Colorado.
Denver and Rio Grande Western Railroad Company--1920-1930.; Eagle County (Colo.)--1920-1930.; Garfield County (Colo.)--1920-1930.; Railroad tracks--Colorado--Garfield County--1920-1930.
View of borrow pit Station 2849 to Station 2857 at east end looking westerly, along the Colorado River and Denver and Rio Grande Western railroad tracks to Glenwood Springs, Garfield County, Colorado.
Denver and Rio Grande Western Railroad Company--1920-1930.; Colorado River (Colo.-Mexico)--1920-1930.; Garfield County (Colo.)--1920-1930.; Railroad tracks--Colorado--Garfield County--1920-1930.; Rivers--Colorado--Garfield County--1920-1930.
"View in east end of borrow pit Station 2743 to Station 2759," Eagle or Garfield County, Colorado, shows the Denver and Rio Grande Western railroad tracks to Glenwood Springs.
Denver and Rio Grande Western Railroad Company--1920-1930.; Eagle County (Colo.)--1920-1930.; Garfield County (Colo.)--1920-1930.; Railroad tracks--Colorado--Eagle County--1920-1930.
View of automobile races at Overland Park in Denver, Colorado. Spectators sit in grandstands. One man in a pit crew wears coveralls that read: "Baker Special".
Pit crews--Colorado--Denver--1920-1930.; Denver (Colo.)--1920-1930.; Overland Park (Denver, Colo.)--1920-1930.; Automobile racing--Colorado--Denver--1920-1930.; Racing automobiles--Colorado--Denver--1920-1930.;...
Spectators watch as race cars line up at the start of a race at Overland Park in Denver, Colorado. A tow truck from AAA is parked in front of the car line; shows pit crews and race drivers. Overland Park race track became a golf course in the...
Pit crews--Colorado--Denver--1920-1930.; Denver (Colo.)--1920-1930.; Overland Park (Denver, Colo.)--1920-1930.; Automobile racing drivers--Colorado--Denver--1920-1930.; Automobile racing--Colorado--Denver--1920-1930.;...
Spectators watch an auto race from the grandstand at the Overland Park race track in Denver, Colorado. Pit crews push the race cars to jump start them at the start line.
Pit crews--Colorado--Denver--1920-1940.; Denver (Colo.)--1920-1940.; Overland Park (Denver, Colo.)--1920-1940.; Automobile racing--Colorado--Denver--1920-1940.; Racing automobiles--Colorado--Denver--1920-1940.;...
A miner uses a hydraulic nozzle (monitor) fitted with a rock counterbalance in the pit of the Gold Run Mine, a gold placer mine near Breckenridge, Summit County, Colorado.
View of an abandoned gold placer mining pit near Breckenridge, Summit County, Colorado shows: pipes and tailings with valley and mountains in background.
Miners use shovels and picks in a sluice and operate a crane on a hydraulic placer gold mining dredge, Park County, Colorado. Pipes run down the wall into the pit.
Dredges--Colorado--Park County--1900-1910.; Gold dredging--Colorado--Park County--1900-1910.; Park County (Colo.)--1900-1910.; Drilling & boring machinery--Colorado--Park County--1900-1910.; Hydraulic mining--Colorado--Park County--1900-1910.;...