Filters: partyWithName: Bradley, W.H. (X)
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Microfossil of the oil shale of the Green River formation: Stellate plant hair? Colorado or Utah. 1925. Plate 24, figure 7, U.S. Geological Survey. Professional paper 168. 1931.
Microfossil of the oil shale of the Green River formation: Spores. Colorado or Utah. 1925. Plate 23, figure 1, U.S. Geological Survey. Professional paper 168. 1931.
Microfossil of the oil shale of the Green River formation: Euglypha robusticornis Bradley. n. sp. individual with 5 spines. Colorado or Utah. 1925. Plate 25, figure 10, U.S. Geological Survey. Professional paper 168. 1931.
Photomicrograph of a thin section cut parallel to the bedding of a rich stratum of oil shale studded with analcite crystals. The finest white specks are grains of dolomite and calcite; the jet-black is pyrite, which in places encircles analcite crystals; and the gray groundmass (almost obscured by the abundance of minute carbonate grains) is structure less organic matter; enlarged 36 diameters. Garfield County, Colorado. July 25, 1924. Plate 2-B in U.S. Geological Survey. Professional paper 158. 1930.
Categories: Image;
Tags: Bradley, W.H. Collection,
Garfield County, Colorado,
Photographers,
photo print
Hemispherical heads of pitted algae reef; showing that the pit tubes are very nearly vertical, even where they emerge from the side of a head. The pits in the very steep sides of the head near the hammer make concave niches with nearly horizontal bottoms. The upper surface of the reef at this place is weathered nearly smooth. Moffat County, Colorado. August 2, 1925. Plate 39-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,
Moffat County, Colorado,
Photographers,
photo print
Transverse section of Chlorellopsis reef; showing the conoidal pits in section and the thinning of algal layers toward the pits, natural size. Moffat County, Colorado. August 1, 1925. Plate 37-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,
Moffat County, Colorado,
Photographers,
photo print
Photomicrograph of a rich oil shale showing groups of varves distorted by small concretionary lenses of carbonate grains; enlarged 54 diameters. Garfield County, Colorado. 1927. Plate13-B in U.S. Geological Survey. Professional paper 158. 1930.
Categories: Image;
Tags: Bradley, W.H. Collection,
Garfield County, Colorado,
Photographers,
photo print
Irregular contact due to local scour and fill where the Bishop conglomerate rests on the beds of the Green River formation, which here make up the east spur of Little Mountain. Sweetwater County, Wyoming. 1930. Plate 39-A, with line to mark contact, U.S.Geological Survey Professional paper 185-I. 1936.
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
North down Piceance Creek in T. 1 N., R. 97 W., upper three units of the Parachute Creek member of the Green River formation; lower part of the upper oil-shale group; the transitional beds; the lower oil-shale group; below, the Garden Gulch member. Rio Blanco County. Colorado. July 28, 1925. Plate 4-A, 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,
Rio Blanco County, Colorado,
photo print
Microfossil of the oil shale of the Green River formation: Pollen similar to that of Thuja. Colorado or Utah. 1925. Plate 24, figure 3, U.S. Geological Survey. Professional paper 168. 1931.
Polished vertical section of a chlorellopsis reef; showing the irregular and vaguely radial arrangement of the lobate algal colonies; also a part of the oolitic sandstone upon which it rested, the lightest-gray areas are fine grained sandstone, the black grains are oolite grains and the medium toned gray areas are fragments of silty limestone, alga reefs and mud lumps. Natural size. From near the base of the Green River formation, SW 1/4 sec.30, T. 1 N., R. 95 W. Rio Blanco County, Colorado. August 11, 1924. Plate 35 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,
Rio Blanco County, Colorado,
photo print
Upper surface of a compound reef, which consists of alternating zones of algal and inorganic limestone; near base of Tipton tongue of Green River formation in NW 1/4 sec. 21, T.24 N., R. 101 W.: 75 % of natural size. Sweetwater County, Wyoming. 1923. Plate 43-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
Calcite mold of radial aggregate of salt crystals found in some of the ellipsoidal cavities shown in bwh00158. Rio Blanco County, Colorado. circa 1925. Plate 6-A, 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,
Rio Blanco County, Colorado,
photo print
Microfossil of the oil shale of the Green River formation: insect eyes and wings. Colorado or Utah. 1927. Plate 27, figure 3, U.S. Geological Survey. Professional paper 168. 1931.
Polished vertical section of Chlorellopsis reef, showing a large flat algal colony in part broken and in part deeply indented by a fragment of limestone that fell on it while the deposit was forming. Enlarged 5 diameters. Specimen is from SE 1/4 NE 1/4 sec. 18, T. 3 N., R. 95 W. Moffat County, Colorado. 1924. Plate 40-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
Confervites Mantiensis and associated coprolites; photomicrograph of cellular parts of Confervites Mantiensis Bradley: filament with intercalary heterocyst resembling Nostoc; 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 (3) 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
Photomicrograph showing varves in a very rich oil shale, the black parts are organic matter and the light gray areas are mineral grains; enlarged 54 diameters. From the Mahogany Ledge near the head of Clear Creek in sec. 9, T. 5 S.,R. 98W. Garfield County, Colorado. 1927. Plate13-A in U.S. Geological Survey. Professional paper 158. 1930. Plate14-B in U.S. Geological Survey. Professional paper 168. 1931.
Categories: Image;
Tags: Bradley, W.H. Collection,
Garfield County, Colorado,
Photographers,
photo print
Microfossil of the oil shale of the Green River formation: Optical section of a fern sporangium. Colorado or Utah. 1925. Plate 23, figure 10, U.S. Geological Survey. Professional paper 168. 1931.
Microfossil of the oil shale of the Green River formation: Chroococcus? sp. cf. disperus (V. Kessler) Lemmerman. Colorado or Utah. 1925. Plate 19, figure 9, U.S. Geological Survey. Professional paper 168. 1931.
Microfossil of the oil shale of the Green River formation: Magnolia type of pollen. Colorado or Utah. 1925. Plate 25, figure 4, U.S. Geological Survey. Professional paper 168. 1931.
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