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Microfossil of the oil shale of the Green River formation: Group of spores. Colorado or Utah. 1925. Plate 23, figure 9, U.S. Geological Survey. Professional paper 168. 1931.
Specimen of oil shale breccia, shows a large fragment in the middle, oriented at a small angle with the normal bedding so that it shows its own lamination, which is quite different from that of the rock. Upon the upturned fragment is a patch of Lepidosleus scales. Rio Blanco County, Colorado. August 16, 1925. Plate 16-A, U.S. Geological Survey. Professional paper 168. 1931.
Photomicrograph of a part of the thin section shown in Bradley photo 303. Uintah County, Utah. 1925.
Photomicrograph of a part of the thin section shown in Bradley photo 303; showing inclusions of minute lozenge shaped apophylite crystals in analcite, enlarged 500 diameters. Uintah County, Utah. September 14, 1925. Plate 1-B, with graphics, in U.S. Geological Survey. Professional paper 158. 1930.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Bradley, W.H. Collection,
Photographers,
Uintah County, Utah,
photo print
Thin section of a recent algae reef from Green Lake, showing the tubular molds of the thalli of a filamentous alga. microcoeleus paludosa (Kutzing) Gommont in a matrix of microcrystalline calcite. The darkest molds contain bakelite with which the specimen was impregnated for sectioning. Enlarged 75 diameters. Onondaga County, New York. July 1926. Plate 30-A in U.S. Geological Survey. Professional paper 154. 1929.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Bradley, W.H. Collection,
Onondaga County, New York,
Photographers,
photo print
Algae reef from the "Manti Beds" at Manti, the dark areas are partly silicified and contain the filamentous algae shown in plate 33 (see bwh00233, 234, or 235), natural size. San Pete County, Utah. 1925.
Categories: Image;
Tags: Bradley, W.H. Collection,
Mills, Mines, Quarries,
Photographers,
San Pete County, Utah,
photo print
Confervites Mantiensis and associated coprolites; photomicrograph of cellular parts of Confervites Mantiensis Bradley: Tip of filament with quadrate cells and a bluntly tapered apical cell; resembling some species of Lyngbya; enlarged 70 diameters. Specimen is originally from sec. 6, T. 18 S., R. 3 E. San Pete County, Utah. July 20, 1925. Portion is plate 33-A (1) in U.S. Geological Survey. Professional paper 154. 1929.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Bradley, W.H. Collection,
Photographers,
Sanpete County, Utah,
photo print
Microfossil of the oil shale of the Green River formation: Citrus type of pollen. Colorado or Utah. 1925. Plate 25, figure 6, U.S. Geological Survey. Professional paper 168. 1931.
Microfossil of the oil shale of the Green River formation: larva of lithohypoderma sp. Colorado or Utah. 1927. Plate 28, figure 5, U.S. Geological Survey. Professional paper 168. 1931.
Polished specimen of algal pebbles showing details of internal structure, see published photo for details. Sweetwater County, Wyoming. 1923. Plate 47 in U.S. Geological Survey. Professional paper 154. 1929.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Bradley, W.H. Collection,
Photographers,
Sweetwater County, Wyoming,
photo print
Microfossil of the oil shale of the Green River formation: Spores. Colorado or Utah. 1925. Plate 23, figure 2, U.S. Geological Survey. Professional paper 168. 1931.
Microfossil of the oil shale of the Green River formation: Difflugia calcifera Bradley. n. sp. Colorado or Utah. 1925. Plate 25, figure 9, U.S. Geological Survey. Professional paper 168. 1931.
Upper surface of Chlorellopsis reef; with conoidal pits showing their relative size and the difference in texture between the interior of the pits and general surface of the roof, natural size. Moffat County, Colorado. August 1, 1925. Plate 37-B in U.S. Geological Survey. Professional paper 154. 1929.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Bradley, W.H. Collection,
Moffat County, Colorado,
Photographers,
photo print
Microfossil of the oil shale of the Green River formation: Malvaceae type of pollen. Colorado or Utah. 1925. Plate 25, figure 5, U.S. Geological Survey. Professional paper 168. 1931.
Contact between the Bridger and Green River formations in the valley of Evacuation Creek, sec. 12, T. 10 S., R. 24 E., Salt Lake Meridian; this view shows plainly the differential compaction between the shaly marlstone of the Green River formation and the channel sandstone lenses at the base of the Bridger formation. Uintah County, Utah. September 26, 1925. Plate 12-A, with graphics, U.S. Geological Survey. Professional paper 168. 1931.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Bradley, W.H. Collection,
Photographers,
Uintah County Utah,
photo print
Thin section of an oolite from the Laney shale member of the Green River formation on Shell Creek, sec. 9, T. 12 N., R. 98 W., showing large oolite grains with eccentric growth zones. The dark granulose parts of these grains con of mechanically enmeshed silt and the clearer parts consist of fine-grained calcite partly replaced by chalcedonic silica. The groundmass consists of chalcedonic silica, with scattered micro crystals of calcite. Enlarged 11-1/2 diameters. Sweetwater County, Wyoming. 1923. Center portion is plate 48-A in U.S. Geological Survey. Professional paper 154. 1929.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Bradley, W.H. Collection,
Photographers,
Sweetwater County, Wyoming,
photo print
Microfossil of the oil shale of the Green River formation: tupelo type of pollen. Colorado or Utah. 1925. Plate 25, figure 7, U.S. Geological Survey. Professional paper 168. 1931.
Compound algal head consisting of many minor heads, each of which represents a single colony of algae. Specimen is from Tipton tongue of Green River formation in NE 1/4 NE 1/4 sec. 16, T.24 N., R. 102 W. Sweetwater County, Wyoming. 1923. Plate 44-B in U.S. Geological Survey. Professional paper 154. 1929.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Bradley, W.H. Collection,
Photographers,
Sweetwater County, Wyoming,
photo print
Northwestward across the north end of Irish Canyon, showing a small undisturbed remnant of the Bear Mountain surface truncating the upturned Mesozoic and Paleozoic rocks and abutting the north side of Cold Spring Mountain, in sec. 33, T. 11 N. R. 101 W. The skyline in the left half of the view marks the top of Cold Spring Mountain, a remnant of the Gilbert Peak surface. The Weber quartzite makes small monadnocks or island mounts (see skyline on the right) that rise above the Bear Mountain surface; further right the surface passes beneath beds of the Browns Park formation. Moffat County, 1933. Plate 41-A, in U.S.Geological Survey Professional paper 185-I. 1936.
Categories: Image;
Tags: Bradley, W.H. Collection,
Moffat County, Colorado,
Photographers,
photo print
Microfossil of the oil shale of the Green River formation: Spores. Colorado or Utah. 1925. Plate 23, figure 11, U.S. Geological Survey. Professional paper 168. 1931.
Thin bed of fairly rich oil shale, which failed locally under stresses due to differential compaction by distributive thrust faults, other parts of the same bed yielded by folding. Uintah County, Utah. September 14, 1925. Plate 15-B, U.S. Geological Survey. Professional paper 168. 1931.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Bradley, W.H. Collection,
Photographers,
Uintah County, Utah,
photo print
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