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  • All fields: Shale
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Display: 50

    • The Plant of the Monarch Shale Oil Company using the "Ginet eduction process" De Beque,...

    • The Plant of the Monarch Shale Oil Company using the "Ginet eduction process" De Beque, Colorado

    • View of the Monarch Shale Oil Company mine on a mesa in De Beque (Mesa County), Colorado. Shows the mine entrance and crusher site near layered shale at the top of the formation, a shale conveyor, a crushed shale bin, a retort, a stairway, storage...

    • Monarch Shale Oil Company--1920-1930.; Oil-shale industry--Colorado--De Beque--1920-1930.; De Beque (Colo.)--1920-1930.; Mine buildings--Colorado--De Beque--1920-1930.; Mining--Colorado--De Beque--1920-1930.; Refineries--Colorado--De...

    • [1920 August]
    • Main portion of plan of Index Shale Oil Co, De Beque, Colo.

    • Main portion of plan of Index Shale Oil Co, De Beque, Colo.

    • View of oil shale processing facilities at the Index Shale Oil Company in De Beque (Mesa County) Colorado; shows storage bins, crusher house, and smokestacks.

    • Index Oil Shale Company--1920-1930.; Oil-shale industry--Colorado--De Beque--1920-1930.; De Beque (Colo.)--1920-1930.; Industrial facilities--Colorado--De Beque--1920-1930.; Petroleum industry--Colorado--De Beque--1920-1930.

    • [between 1920 and 1930?]
    • Where the spent shale is discharged

    • Where the spent shale is discharged

    • A man stands near the oil shale processing facility at the Index Shale Oil Company in De Beque (Mesa County) Colorado, Shows a Brown retort, a conveyor belt elevator for tailings, exhaust stacks, and sheds. The Roan Cliffs are in the distance.

    • Index Oil Shale Company--1920-1930.; Oil-shale industry--Colorado--De Beque--1920-1930.; De Beque (Colo.)--1920-1930.; Conveying systems--Colorado--De Beque--1920-1930.; Industrial facilities--Colorado--De Beque--1920-1930.; Petroleum...

    • 1922
    • American Shale Refining Company (Wingett Process), on Conn Creek

    • American Shale Refining Company (Wingett Process), on Conn Creek

    • View of an American Shale Refining Company oil shale processing facility near De Beque (Mesa County) Colorado; shows dormitories and outhouses. Road grade and tailings are on slopes of the Roan Cliffs.

    • Oil-shale industry--Colorado--De Beque--1920-1930.; De Beque (Colo.)--1920-1930.; Roan Cliffs (Utah and Colo.)--1920-1930.; Petroleum industry--Colorado--De Beque--1920-1930.; Wooden buildings--Colorado--De Beque--1920-1930.

    • [between 1920 and 1930?]
    • Oil Shale mountains near De Beque, Colorado

    • Oil Shale mountains near De Beque, Colorado

    • View of a car, sagebrush, oil shale strata, and hills near De Beque (Mesa County) Colorado.

    • Oil-shales--Colorado--Mesa County--1910-1920.; Mesa County (Colo.)--1910-1920.; Automobiles--Colorado--Mesa County--1910-1920.

    • [between 1910 and 1920?]
    • Wash day in a United States Geological Survey camp

    • Wash day in a United States Geological Survey camp

    • View of a large kettle beside canvas tents at a United States Geological Survey camp in either Mesa County or Garfield County, Colorado. Oil shale burns under a laundry kettle.

    • Geological Survey (U.S.)--People--1910-1920.; Oil-shales--Colorado--1910-1920.; Campfires--Colorado--1910-1920.; Camping--Colorado--1910-1920.; Expeditions & surveys--Colorado--1910-1920.; Tents--Colorado--1910-1920.

    • 1914?
    • Mount Logan

    • Mount Logan

    • View of Mount Logan oil shale formations and Roan Cliffs in Garfield County, Colorado. Erosion cuts through rock strata.

    • Oil-shales--Colorado--Garfield County--1920-1930.; Logan, Mount (Garfield County, Colo.)--1920-1930.; Roan Cliffs (Utah and Colo.)--1920-1930.; Petroleum industry--Colorado--Garfield County--1920-1930.

    • [between 1920 and 1925?]
    • American Shale Refining Co.

    • American Shale Refining Co.

    • View of the American Shale Refining Company plant site near De Beque on Conn Creek in Garfield County, Colorado. Shows one-story houses with gabled roofs and tar paper siding. Identical buildings, possibly boarding houses or dormitories, an...

    • American Shale Refining Company--1920-1930.; Oil-shale industry--Colorado--Garfield County--1920-1930.; Garfield County (Colo.)--1920-1930.; Roan Cliffs (Utah and Colo.)--1920-1930.; Refineries--Colorado--Garfield County--1920-1930.

    • [1920 August]
    • Oil shale development, Naval oil shale

    • Oil shale development, Naval oil shale

    • View of a Naval oil shale plant near probably Rulison (Garfield County), Colorado. Mine buildings have corrugated metal sides, gabled roofs, and smokestacks. Shows layered shale on the Roan Cliffs and talus in the distance.

    • Oil-shale industry--Colorado--Garfield County--1930-1960.; Oil-shales--Colorado--Garfield County--1930-1960.; Roan cliffs (Utah and Colo.)--1930-1960.; Rulison (Colo.)--1930-1960.; Cliffs--Colorado--Garfield County--1930-1960.; Mine...

    • [between 1930 and 1960?]
    • Plant site of the Monarch Shale Oil Co.

    • Plant site of the Monarch Shale Oil Co.

    • View of oil shale formations and Roan Cliffs at Conn Creek, in Garfield County, Colorado; also shows a Monarch Shale Oil Company building and tailings.

    • Monarch Shale Oil Company--Facilities--1910-1920.; Oil-shales--Colorado--Garfield County--1910-1920.; Garfield County (Colo.)--1910-1920.; Roan Cliffs (Utah and Colo.)--1910-1920.; Petroleum industry--Colorado--Garfield County--1910-1920.

    • [between 1910 and 1920?]
    • Plant of Monarch Shale Oil Co., (Ginet Process), near De Beque, Colo.

    • Plant of Monarch Shale Oil Co., (Ginet Process), near De Beque, Colo.

    • View of the Monarch Shale Oil Company oil shale extraction plant near De Beque (Mesa County), Colorado; men pose by pipes and sheds on a steep slope.

    • Monarch Shale Oil Company--1910-1930.; Oil-shale industry--Colorado--Mesa County--1910-1930.; Mesa County (Colo.)--1910-1930.; Industrial facilities--Colorado--Mesa County--1910-1930.; Petroleum industry--Colorado--Mesa County--1910-1930.

    • [between 1910 and 1930?]
    • Oil shale refinery

    • Oil shale refinery

    • Men examine a retort at an oil shale processing facility at the Index Shale Oil Company in De Beque (Mesa County) Colorado; also shows machinery, pipes, and sheds.

    • Index Oil Shale Company--1920-1930.; Oil-shale industry--Colorado--De Beque--1920-1930.; De Beque (Colo.)--1920-1930.; Industrial facilities--Colorado--De Beque--1920-1930.; Petroleum industry--Colorado--De Beque--1920-1930.

    • 1922 March 24
    • Plant of Monarch Shale Oil Co., (Ginet Process), near De Beque, Colo.

    • Plant of Monarch Shale Oil Co., (Ginet Process), near De Beque, Colo.

    • Men pose by the Monarch Shale Oil Company shale oil extraction facility near De Beque (Mesa County), Colorado; pipes and sheds are on a steep slope.

    • Monarch Shale Oil Company--1910-1920.; Oil-shale industry--Colorado--Mesa County--1910-1920.; Mesa County (Colo.)--1910-1920.; Industrial facilities--Colorado--Mesa County--1910-1920.; Men--Colorado--Mesa County--1910-1920.; Petroleum...

    • [between 1910 and 1920?]
    • Shale cliff northwest of Collbran

    • Shale cliff northwest of Collbran

    • View of layered, eroded shale cliffs near Collbran (Mesa County), Colorado. Sparse grass and trees are on the shale formation.

    • Oil-shales--Colorado--Mesa County--1910-1930.; Mesa County (Colo.)--1910-1930.; Cliffs--Colorado--Mesa County--1910-1930.

    • [between 1910 and 1930?]
    • Still of the Oil Shale Mining Company for the destructive distillation of oil

    • Still of the Oil Shale Mining Company for the destructive distillation of oil

    • Men wear suits or suspenders and work clothes and pose beside a smokestack encased by deteriorated brick walls 22 miles outside of De Beque in Mesa County or Garfield County Colorado. An American flag is attached to scaffolding that surrounds an...

    • Oil-shale industry--Colorado--1900-1920.; Oil-shales--Colorado--1900-1920.; Mining--Colorado--1900-1920.; Refineries--Colorado--1900-1920.

    • [between 1900 and 1917?]
    • Shale mesas

    • Shale mesas

    • View of snow on a shale mesa in probably Garfield County or Mesa County, Colorado. Shows layers of shale, talus, rocks, and sagebrush.

    • Oil-shales--Colorado--1900-1920.; Mesas--Colorado--1900-1920.; Snow--Colorado--1900-1920.

    • [between 1900 and 1920?]
    • Oil shale plant beside Colorado River

    • Oil shale plant beside Colorado River

    • View of the oil shale demonstration plant beside the Colorado River near Rifle (Garfield County), Colorado. Smoke rises from smokestacks of the multi-story building, probably an oil shale retort. Denver and Rio Grande tracks are beside the river,...

    • Oil-shale industry--Colorado--Garfield County--1910-1930.; Colorado River (Colo.-Mexico)--1910-1930.; Garfield County (Colo.)--1910-1930.; Roan Cliffs (Utah and Colo.)--1910-1930.; Cliffs--Colorado--Garfield County--1910-1930.;...

    • [between 1915 and 1930?]
    • Close view of oil shale deposits in northwestern Colorado

    • Close view of oil shale deposits in northwestern Colorado

    • Men stand on a rocky ledge and pose beneath a layered shale cliff in Mesa County or Garfield County, Colorado. Shale cliffs are above talus, shrubs, and a valley.

    • Oil-shales--Colorado--1900-1920.; Cliffs--Colorado--1900-1920.

    • [between 1900 and 1918]
    • Oil shale deposits near Rifle, Colo.

    • Oil shale deposits near Rifle, Colo.

    • A man wears a tie and stands near sagebrush in a valley below the Roan Cliffs near Rifle (Garfield County), Colorado. Shows trees, scree, and layered shale on steep cliffs in the distance.

    • Oil-shales--Colorado--Garfield County--1920-1930.; Garfield County (Colo.)--1920-1930.; Roan Cliffs (Utah and Colo.)--1920-1930.; Cliffs--Colorado--Garfield County--1920-1930.; Valleys--Colorado--Garfield County--1920-1930.

    • [between 1920 and 1930?]
    • Continental Oil Shale and Refining Co., Rio Blanco Co.

    • Continental Oil Shale and Refining Co., Rio Blanco Co.

    • View of Continental Oil Shale and Refining Company corrugated metal-sided buildings and a brick retort in Rio Blanco County, Colorado. A sign on timber scaffolding near a ladder reads: "The Colorado Continuous Retort, Patent applied for," and a...

    • Oil-shale industry--Colorado--Rio Blanco County--1900-1920.; Oil-shales--Colorado--Rio Blanco County--1900-1920.; Rio Blanco County (Colo.)--1900-1920.; Cliffs--Colorado--Rio Blanco County--1900-1920.; Refineries--Colorado--Rio Blanco...

    • [between 1900 and 1920?]
    • Continental Oil Shale and Refining Co., Rio Blanco Co.

    • Continental Oil Shale and Refining Co., Rio Blanco Co.

    • View of probably an oil shale retort with a brick smokestack and timber scaffolding in Rio Blanco County, Colorado. Shows ladders above a corrugated metal roof and a sign on the building that reads: "Continental Oil Shale Mining & Ref'g Co." A...

    • Oil-shale industry--Colorado--Rio Blanco County--1910-1930.; Oil-shales--Colorado--Rio Blanco County--1910-1930.; Rio Blanco County (Colo.)--1910-1930.; Cliffs--Colorado--Rio Blanco County--1910-1930.; Refineries--Colorado--Rio Blanco...

    • [between 1910 and 1930?]
    • Mt. Logan Oil Shale Mining & Ref'g Co.

    • Mt. Logan Oil Shale Mining & Ref'g Co.

    • Men, employees of the Mt. Logan Oil Shale Mining and Refining Company, pose in a rock cave near De Beque (Mesa County) Colorado; a brass bed, shelves, and calendars are on the wall. One man smokes a pipe.

    • Oil-shale industry--Colorado--De Beque--1900-1920.; De Beque (Colo.)--1900-1920.; Interiors--Colorado--De Beque--1900-1920.; Petroleum industry--Colorado--De Beque--1900-1920.; Petroleum workers--Colorado--De Beque--1900-1920.

    • [between 1900 and 1920?]
    • DeBeque

    • DeBeque

    • View of oil shale processing facilities at the Index Shale Oil Company in De Beque (Mesa County) Colorado; also shows a retort with machinery, pipes, and sheds.

    • Index Oil Shale Company--1920-1930.; Oil-shale industry--Colorado--De Beque--1920-1930.; De Beque (Colo.)--1920-1930.; Industrial facilities--Colorado--De Beque--1920-1930.; Petroleum industry--Colorado--De Beque--1920-1930.

    • [between 1920 and 1930?]
    • Harry Brown - Brown Retort

    • Harry Brown - Brown Retort

    • Harry Brown poses in an oil shale processing facility at the Index Shale Oil Company in De Beque (Mesa County) Colorado; he poses beside a Brown retort (he is probably the inventor) that consists of a hopper, rotating tanks, and exhaust stacks.

    • Index Oil Shale Company--Facilities--1920-1930.; Oil-shale industry--Colorado--De Beque--1920-1930.; De Beque (Colo.)--1920-1930.; Industrial facilities--Colorado--De Beque--1920-1930.; Machinery--Colorado--De Beque--1920-1930.; Petroleum...

    • [between 1920 and 1930?]
    • Brown Retort

    • Brown Retort

    • Men examine a Brown retort under construction at an oil shale processing facility at the Index Shale Oil Company in De Beque (Mesa County) Colorado; part of the retort is in a shed.

    • Index Oil Shale Company--1920-1930.; Oil-shale industry--Colorado--De Beque--1920-1930.; De Beque (Colo.)--1920-1930.; Industrial facilities--Colorado--De Beque--1920-1930.; Petroleum industry--Colorado--De Beque--1920-1930.

    • [between 1920 and 1922?]
    • Ruby Canyon steam shovel loading train @ Shale

    • Ruby Canyon steam shovel loading train @ Shale

    • Denver and Rio Grande Western Railroad construction in Ruby Canyon, Shale, Colorado, consists of a steam shovel loading ore cars; a man stands on the locomotive in the foreground and sandstone cliffs are to the sides.

    • Denver and Rio Grande Western Railroad Company--1920-1930.; Ruby Canyon (Colo. and Utah)--1920-1930.; Shale (Colo.)--1920-1930.; Railroad construction & maintenance--Colorado--Shale--1920-1930.; Railroad employees--Colorado--Shale--1920-1930.;...

    • [between 1925 and 1930?]
    • Ruby Canyon - steam shovel loading train @ Shale

    • Ruby Canyon - steam shovel loading train @ Shale

    • Denver and Rio Grande Western Railroad construction in Ruby Canyon, at Shale, Colorado, consists of a steam shovel loading gondola cars; tracks, dwellings, and sandstone cliffs are in the background.

    • Denver and Rio Grande Western Railroad Company--1920-1930.; Ruby Canyon (Colo. and Utah)--1920-1930.; Shale (Colo.)--1920-1930.; Houses--Colorado--Shale--1920-1930.; Railroad construction & maintenance--Colorado--Shale--1920-1930.; Railroad freight...

    • [between 1925 and 1930?]
    • Mt. Index region

    • Mt. Index region

    • Men wear suits and stand near parked cars and on a steep hillside beside a tramway of possibly the Index Oil Shale Company near De Beque in Garfield County, Colorado. Shows probably oil shale processing buildings, holding tanks, dirt road grades,...

    • Oil-shale industry--Colorado--Garfield County--1900-1920.; Garfield County (Colo.)--1900-1920.; Aerial tramways--Colorado--Garfield County--1900-1920.; Refineries--Colorado--Garfield County--1900-1920.; Valleys--Colorado--Garfield County--1900-1920.

    • [between 1900 and 1920?]
    • Mt. Logan retort Simplex

    • Mt. Logan retort Simplex

    • View of an oil shale processing facility (a retort) near De Beque (Mesa County) Colorado; shows sheds, ore cables, chutes, and pipes on a hillside.

    • Oil-shale industry--Colorado--De Beque--1900-1920.; De Beque (Colo.)--1900-1920.; Industrial facilities--Colorado--De Beque--1900-1920.; Petroleum industry--Colorado--De Beque--1900-1920.

    • [between 1900 and 1920?]
    • Parachute Creek valley

    • Parachute Creek valley

    • View of Parachute Creek valley in Garfield County, Colorado; a man is by a car; a cabin and Roan Cliff formations and oil shale deposits are in the distance.

    • Oil-shales--Colorado--Garfield County--1910-1930.; Garfield County (Colo.)--1910-1930.; Roan Cliffs (Utah and Colo.)--1910-1930.; Automobiles--Colorado--Garfield County--1910-1930.

    • [between 1910 and 1930?]
    • At the camp above plant of Index Oil Shale Co., De Beque, Colo.

    • At the camp above plant of Index Oil Shale Co., De Beque, Colo.

    • Men wear suits, ties, overcoats, and felt hats and stand beside trees outside the Index Oil Shale Company plant in De Beque (Mesa County), Colorado. Shows metal and frame buildings and tall smokestacks. A flag above a building reads "Index." Metal...

    • Index Oil Shale Company--1920-1930.; Oil-shale industry--Colorado--De Beque--1920-1930.; De Beque (Colo.)--1920-1930.; Mining--Colorado--De Beque--1920-1930.; Refineries--Colorado--De Beque--1920-1930.

    • [between 1920 and 1930?]
    • Paper shale cliff, Battlement Mesa, facing Collbran

    • Paper shale cliff, Battlement Mesa, facing Collbran

    • A man wears overalls and a hat and holds a pick axe near the ledge of a layered shale cliff at Battlement Mesa area in probably Mesa County, Colorado. Shows a gorge and trees on steep slopes.

    • Shale--Colorado--Mesa County--1910-1920.; Battlement Mesa (Colo.)--1910-1920.; Mesa County (Colo.)--1910-1920.; Cliffs--Colorado--Mesa County--1910-1920.

    • [between 1910 and 1920?]
    • Haystack Mountain and plant site of the Mid-Continent Shale and Refining Co.

    • Haystack Mountain and plant site of the Mid-Continent Shale and Refining Co.

    • Men stand beside a car on a dirt road near Haystack Mountain in Garfield County, Colorado. Sagebrush, a haystack, trees, a fence, and Parachute Creek are in the valley. Shows layered shale on the Roan Cliffs and talus on mesas near the plant site...

    • Mid-Continent Shale and Refining Company--1920-1930.; Oil-shale industry--Colorado--Garfield County--1920-1930.; Oil-shales--Colorado--Garfield County--1920-1930.; Garfield County (Colo.)--1920-1930.; Haystack Mountain (Garfield County,...

    • [1920 August]
    • Shale ledge at the retort of Cont. Oil Shale Mining Co., Rio Blanco Colo. [?]

    • Shale ledge at the retort of Cont. Oil Shale Mining Co., Rio Blanco Colo. [?]

    • Close-up view of layered shale cliffs in Rio Blanco County, Colorado. Shows steep rock walls and scattered stones on the ground in an area identified as near the Continental Oil Shale Mining Company retort.

    • Oil-shales--Colorado--Rio Blanco County--1900-1920.; Rio Blanco County (Colo.)--1900-1920.; Cliffs--Colorado--Rio Blanco County--1900-1920.

    • [between 1900 and 1920?]
    • Brown Retort, Index Shale Oil Co., on Mt. Blaine, near De Beque

    • Brown Retort, Index Shale Oil Co., on Mt. Blaine, near De Beque

    • A man poses by oil shale processing machinery at the Index Oil Company near De Beque (Mesa County) Colorado; shows a retort with a rotating tank with gear and belt drives.

    • Index Shale Oil Company--1920-1930.; Oil-shale industry--Colorado--De Beque--1920-1930.; De Beque (Colo.)--1920-1930.; Machinery--Colorado--De Beque--1920-1930.; Petroleum industry--Colorado--De Beque--1920-1930.

    • [between 1920 and 1930?]
    • Plant of the Index Shale Oil Co., De Beque, Colo.

    • Plant of the Index Shale Oil Co., De Beque, Colo.

    • View of the Index Shale Oil Company retort near De Beque (Mesa County), Colorado; cliffs of Mount Blaine (Mount Index) are behind sheds, pipes, and tanks.

    • Index Shale Oil Company--Buildings--1920-1930.; Oil-shale industry--Colorado--Mesa County--1920-1930.; Blaine, Mount (Garfield County, Colo.)--1920-1930.; Mesa County (Colo.)--1920-1930.; Industrial facilities--Colorado--Mesa County--1920-1930.;...

    • [between 1920 and 1930?]
    • Plant of the Index Shale Oil Co., (Brown Retort), near De Beque

    • Plant of the Index Shale Oil Co., (Brown Retort), near De Beque

    • View of the Index Shale Oil Company extraction facility near De Beque (Mesa County), Colorado; men pose by retorts and shed roofs. The Roan Cliffs are in the distance.

    • Index Oil Shale Company--1920-1930.; Oil-shale industry--Colorado--De Beque--1920-1930.; De Beque (Colo.)--1920-1930.; Roan Cliffs (Utah and Colo.)--1920-1930.; Industrial facilities--Colorado--De Beque--1920-1930.; Petroleum industry--Colorado--De...

    • [between 1920 and 1930?]
    • A Mountain of shale on Conn Creek near De Beque

    • A Mountain of shale on Conn Creek near De Beque

    • Men, probably miners, stand and pose beside canvas tents near sagebrush and a barbed wire fence near De Beque and Conn Creek in Garfield County, Colorado. Shows layers of shale on a mesa.

    • Oil-shale industry--Colorado--Garfield County--1910-1920.; Oil-shales--Colorado--Garfield County--1910-1920.; Garfield County (Colo.)--1910-1920.; Mesas--Colorado--Garfield County--1910-1920.; Miners--Colorado--Garfield County--1910-1920.;...

    • [between 1910 and 1918?]
    • Oil shale retort

    • Oil shale retort

    • Men and women stand and pose beside oil shale refining machinery in possibly Garfield County, Colorado. Men wear suits and overcoats with velvet or fur collars, leather dress gloves, and felt hats or caps. Women wear dresses and fur overcoats,...

    • Oil-shale industry--Colorado--1910-1930.; Mining--Colorado--1910-1930.; Refineries--Colorado--1910-1930.

    • [between 1917 and 1925?]
    • Brush Creek shale near Collbran

    • Brush Creek shale near Collbran

    • Men stand and pose in a ravine beside Brush Creek, trees, and a slope of layered shale in Mesa County, Colorado. Fallen timber is near the creek.

    • Oil-shales--Colorado--Mesa County--1910-1920.; Brush Creek (Garfield County and Mesa County, Colo.)--1910-1920.; Mesa County (Colo.)--1910-1920.; Canyons--Colorado--Mesa County--1910-1920.; Streams--Colorado--Mesa County--1910-1920.

    • [between 1910 and 1920?]
    • Shale and water northeast of Collbran, Brush Creek

    • Shale and water northeast of Collbran, Brush Creek

    • Men stand and pose beside a small waterfall on Brush Creek in Mesa County, Colorado. Layered shale is in the creek bed, and fallen logs and trees are nearby.

    • Oil-shales--Colorado--Mesa County--1910-1920.; Brush Creek (Garfield County and Mesa County, Colo.)--1910-1920.; Mesa County (Colo.)--1910-1920.; Streams--Colorado--Mesa County--1910-1920.; Waterfalls--Colorado--Mesa County--1910-1920.

    • [between 1910 and 1920?]
    • Looking south eastward over the Shale Cliffs toward Colorado River and North Mams [sic] Peak

    • Looking south eastward over the Shale Cliffs toward Colorado River and North Mams [sic] Peak

    • Panoramic, aerial view of layered oil shale rock formations of the Roan Cliffs in Garfield County, Colorado. Shows Logan Wash in a valley near Mount Logan, the Colorado River, an extinct volcanic crater, and North Mamm Peak in the distance.

    • Oil-shales--Colorado--Garfield County--1930-1960.; Colorado River (Colo.-Mexico)--1930-1960.; Garfield County (Colo.)--1930-1960.; Logan Wash (Colo.)--1930-1960.; Logan, Mount (Garfield County, Colo.)--1930-1960.; North Mamm Peak...

    • [between 1930 and 1960?]
    • Shale on Brush Creek, northeast of Collbran

    • Shale on Brush Creek, northeast of Collbran

    • A man poses on talus, below a layered shale slope near Brush Creek in Mesa County, Colorado. Shows trees and fallen logs.

    • Oil-shales--Colorado--Mesa County--1910-1920.; Talus (Geology)--Colorado--Mesa County--1910-1920.; Mesa County (Colo.)--1910-1920.

    • [between 1910 and 1920?]
    • An Immense body of oil shale, near Grand Valley, Colorado

    • An Immense body of oil shale, near Grand Valley, Colorado

    • Men wear overalls, jackets, and hats and pose on a rocky trail in probably Mesa County or Garfield County, Colorado. Canvas tents are near scrub, trees, and talus. Shows steep, layered shale cliffs.

    • Oil-shales--Colorado--1900-1920.; Cliffs--Colorado--1900-1920.; Tents--Colorado--1900-1920.; Trails & paths--Colorado--1900-1920.

    • [between 1900 and 1917]
    • A Mountain of oil shale near Grand Valley, Colorado

    • A Mountain of oil shale near Grand Valley, Colorado

    • View of a layered shale mesa in probably Mesa County or Garfield County, Colorado. Shows steep slopes, shale cliffs, and trees beside the Colorado River.

    • Oil-shales--Colorado--1900-1920.; Colorado River (Colo.-Mexico)--1900-1920.; Cliffs--Colorado--1900-1920.; Rivers--Colorado--1900-1920.

    • [between 1900 and 1917?]

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