Skip to main content
Advanced Search

Filters: Categories: Image (X) > Date Range: {"choice":"year"} (X) > partyWithName: Lee, Willis Thomas (X)

311 results (70ms)   

View Results as: JSON ATOM CSV
thumbnail
Fossil fish, Diplomystus Dantatus, showing the bones, ray, fins, etc., embedded in a slab of rock from a quarry in Green River (Tertiary) formation, in western Wyoming. 1916.
thumbnail
A near view of the basal crossbedded Sundance sandstone at Steamboat Lake. Wyoming. May 1922. Published in U.S. Geological Survey Professional Paper 149, Plate 24-B. 1927.
thumbnail
An armored dinosaur, Stegosaurus. 1916.
thumbnail
Cypress tress and swamps near Franklin, Virginia. 1920.
thumbnail
Fish nets rolled to dry at Reedville, Virginia. Heathsville quadrangle. Virginia. No date.
thumbnail
Elk Mountain from near Walcott. Southern Wyoming. June 1922.
thumbnail
Relation of the Willow coal bed to other beds where the Vermejo formation is thin. The coal bed here is about 5 feet thick is separated by a few feet of shale from the underlying Trinidad sandstone. The basal conglomerate of the Raton formation rests with uneven base directly on the coal. Colfax County, New Mexico. 1922. Plate 10 in U.S. Geological Survey. Folio 214. 1922.
thumbnail
Exposure of rocks north of Mount Gunnison, showing the basal conglomerate of the Wasatch ("Ruby") formation, the unconformity at the base Wasatch, the Ohio Creek conglomerate, the unconformity at its base and the upper or undifferentiated part of the Mesaverde formation. (Scale: the trees are 50 to 75 feet high.) Gunnison County, Colorado. 1907. Plate 6-A in U.S. Geological Survey. Bulletin 510. 1912.
thumbnail
East wall of the north end of the Salt Valley about 7 miles south-southwest of Thompson; the valley flat in the foreground is largely underlain by the Upper Cretaceous Mancos shale, dropped against the Jurassic formations of the valley walls by a large fault. Morrison formation; Salt Wash sandstone member of the Morrison; Summerville formation; Entrada sandstone; Moab sandstone tongue of the Entrada; Carmel formation; Navajo sandstone; Kayenta sandstone; Wingate sandstone. Grand County, Utah. 1925. Plate 26-A, in U.S. Geological Survey. Professional paper 183. 1936. Plate 5 in U.S. Geological Survey. Bulletin 863. 1935.
thumbnail
Ridges in Thompson Canyon west of Loveland; showing rocks correlated by the writer with the Dakota group at Bellvue- the lower sandstone at the left, above a boulder covered slope of Morrison shale; the middle shale, between the two ridges; and the upper sandstone, at the right. The lower shale and middle sandstone are not exposed here. Larimer County, Colorado. 1922. Plate 29-B in U.S. Geological Survey. Professional paper 149. 1927. Plate 1-A in U.S. Geological Survey. Bulletin 751. 1925.
thumbnail
Album caption: Prominent points in the east wall of the canyon at Springdale. Zion Canyon. Utah.
thumbnail
Fountain arkose west of Loveland: showing west face of hogback ridge exposing arkose below and dark-red sandstone cliff of the lower member of the Ingleside formation at the crest, separated by an unconformity (?). Larimer County, Colorado. 1922. Plate 8-B in U.S. Geological Survey Professional Paper 149. 1927.
thumbnail
Lower part of Sundance formation south of Boxelder Creek, showing the basal cross- bedded sandstone and the overlying limestones and ripple-marked sandstones. Larimer County, Colorado. 1922. Plate 24-A in U.S. Geological Survey. Professional paper 149. 1927.
thumbnail
Dakota sandstone at the fire clay pits south of Golden, Colorado. Showing three sandstones with intervening clay removed. Benton shale to left and Morrison Formation to right. A fault has offset the rocks in the foreground to the left. From above. Jefferson County, Colorado. 1916.
thumbnail
Natural monuments on the plain near Red Buttes, eroded from red sandstone of the Casper formation; these monuments are 20 to 50 feet high. Albany County, Wyoming. circa 1914. Plate 9-C in U.S. Geological Survey Bulletin 612. 1915.
thumbnail
Hill consisting of Mancos shale near Delta, illustrating the barrenness of the shale slopes, and showing the occurrence of a zone of black shale about 300 feet above the base of the formation. Delta County, Colorado. 1907. Plate 4-A in U.S. Geological Survey Bulletin 510. 1912.
map background search result map search result map Fossil fish, Diplomystus Dantatus, embedded in a slab of rock from a quarry in Green River (Tertiary) formation, in western Wyoming. 1916. Dakota sandstone at the fire clay pits. Jefferson County, Colorado. 1916. Hill consisting of Mancos shale near Delta, illustrating the barrenness of the shale slopes. Delta County, Colorado. 1907. Relation of the Willow coal bed to other beds where the Vermejo formation is thin. Colfax County, New Mexico. 1922. Natural monuments on the plain near Red Buttes. Albany County, Wyoming. circa 1914. Fountain arkose west of Loveland. Larimer County, Colorado. 1922 Lower part of Sundance formation south of Boxelder Creek. Larimer County, Colorado. 1922. Dakota sandstone at the fire clay pits. Jefferson County, Colorado. 1916. Hill consisting of Mancos shale near Delta, illustrating the barrenness of the shale slopes. Delta County, Colorado. 1907. Fountain arkose west of Loveland. Larimer County, Colorado. 1922 Lower part of Sundance formation south of Boxelder Creek. Larimer County, Colorado. 1922. Relation of the Willow coal bed to other beds where the Vermejo formation is thin. Colfax County, New Mexico. 1922. Natural monuments on the plain near Red Buttes. Albany County, Wyoming. circa 1914. Fossil fish, Diplomystus Dantatus, embedded in a slab of rock from a quarry in Green River (Tertiary) formation, in western Wyoming. 1916.