Skip to main content
Advanced Search

Filters: Tags: Delta County, Colorado (X) > Types: Map Service (X)

3 results (6ms)   

View Results as: JSON ATOM CSV
thumbnail
North wall of Gunnison Canyon at Bowie, the base of the slope consists of Mancos shale, above which is the Rollins sandstone member of the Mesaverde formation; the Bowie shale member of the same formation; (the type locality) in which the King mine is located, the Paonia shale member of the Mesaverde formation, and the upper or undifferentiated part of the Mesaverde. (Scale: The mine is 600 feet above the base of the slope) Delta County, Colorado. 1907. Plate 6-B in U.S. Geological Survey. Bulletin 510. 1912.
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.
thumbnail
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.
    map background search result map search result map North wall of Gunnison Canyon at mouth of Wells gulch. Delta County, Colorado. 1907. Hill consisting of Mancos shale near Delta, illustrating the barrenness of the shale slopes. Delta County, Colorado. 1907. North wall of Gunnison Canyon at Bowie. Delta County, Colorado. 1907. North wall of Gunnison Canyon at mouth of Wells gulch. Delta County, Colorado. 1907. Hill consisting of Mancos shale near Delta, illustrating the barrenness of the shale slopes. Delta County, Colorado. 1907. North wall of Gunnison Canyon at Bowie. Delta County, Colorado. 1907.