Filters: Tags: Colorado Bulletin 510 (X) > partyWithName: Lee, Willis Thomas (X)
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Baxter basin near head of Slate River. The coal crop outs in the snow covered slope in the foreground. The "barren measures" overlying the coal beds appear in the cliffs. Gunnison County, Colorado. June, 20, 1909. Plate 13-A in U.S. Geological Survey. Bulletin 510. 1912.
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.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Colorado Bulletin 510,
Delta County, Colorado,
Lee, W.T. Collection,
Photographers,
photo print
West slope of Grand Mesa, 2 miles north of Kahnah Creek, a characteristic exposure showing the slope of the mesa covered with brush except where a washout has exposed the rocks; Mancos shale; sandstone at the base of the coal measures; locality where fossil plants were collected. Mesa County, Colorado. 1907. Plate 3-A in U.S. Geological Survey. Bulletin 510. 1912.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Colorado Bulletin 510,
Lee, W.T. Collection,
Mesa County, Colorado,
Photographers,
photo print
North wall of Gunnison Canyon at mouth of Wells gulch, showing the lower or flaggy member of the Gunnison formation, overlain by variegated shale and the unconformity, and conglomerate at the base of the Dakota sandstone. Delta County, Colorado. 1907. Plate 4-B in U.S. Geological Survey. Bulletin 510. 1912.
Categories: Image;
Tags: Colorado Bulletin 510,
Formations,
Lee, W.T. Collection,
Photographers,
photo print
A fossil plant (Ficus speciosissima Ward) associated with the low grade bituminous and subbituminous coals of the Grand Mesa field. A fossil leaf common in the Paonia shale member of the Mesaverde formation. Fossil plant locality record of the U.S. Geological Survey No. 4352 (slightly reduced) Gunnison County, Colorado. 1907. Plate 19 in U.S. Geological Survey. Bulletin 510. 1912.
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Colorado Bulletin 510,
Lee, W.T. Collection,
Photographers,
photo print
The Castle, a conspicuous promontory west of Mount Carbon, showing the bedded character of the West Elk breccia, which overlies the coal beds between Mount Carbon field and Coal Creek district. Gunnison County, Colorado. 1907. Plate 12-B in U.S. Geological Survey. Bulletin 510. 1912.
Schuylkill Mountain, near head of Slate River. The outcrops of the coal beds are covered by the talus slopes shown in the foreground. The mountain consists of the unproductive measures overlying the coal. Fault has occurred at the points marked. Gunnison County, Colorado. 1907. Plate 13-B in U.S. Geological Survey. Bulletin 510. 1912.
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