Filters: Tags: Colorado Bulletin 510 (X) > Date Range: {"choice":"year"} (X)
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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
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
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