Preliminary geologic map of the Bull Fork quadrangle, Garfield and Rio Blanco counties, Colorado
No abstract available.
Colorado↗
Geology topics
W. J. Hail
Publications and source records attributed to W. J. Hail.
Preliminary geologic map of the Montrose 1 degree by 2 degrees Quadrangle, southwestern Colorado
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Miscellaneous Field Studies Map↗
Preliminary geologic map of the Cutoff Gulch Quadrangle, Rio Blanco and Garfield counties, Colorado
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Miscellaneous Field Studies Map↗
Four newly named tongues of Eocene Green River Formation, northern Piceance Creek basin, Colorado
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Bulletin↗
Geologic map of the Rough Gulch quadrangle, Rio Blanco and Moffat Counties, Colorado
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Geologic Quadrangle↗
Geologic map of the Durango Quadrangle, southwestern Colorado
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IMAP↗
Preliminary geologic map and section of the Barcus Creek Quadrangle, Rio Blanco County, Colorado
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Miscellaneous Field Studies Map↗
Reconnaissance geologic map of the Cedaredge area, Delta County, Colorado
No abstract available.
Colorado↗
Reconnaissance geologic map of the Hotchkiss area, Delta and Montrose Counties, Colorado
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IMAP↗
Geologic reconnaissance map of the Bear Mountain and Oakbrush Ridge quadrangles, Hinsdale and Archuleta counties, Colorado
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Open-File Report↗
Geologic reconnaissance map of the Chris Mountain and Pagosa Springs quadrangles, Archuleta County, Colorado
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Open-File Report↗
Geologic reconnaissance map of the Rules Hill and Ludwig Mountain quadrangles, La Plata County, Colorado
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Open-File Report↗
The Chinle (Upper Triassic) and Sundance (Upper Jurassic) Formations in north-central Colorado
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Bulletin↗