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Publication Extents

Not all publications have extents, not all extents are completely accurate
Relations between local magnetic disturbances and the genesis of petroleum
George Ferdinand Becker
1909, Bulletin 401
No question in geology is more obscure than that of the origin of the numerous natural hydrocarbons commonly classified as asphalt, ozokerite, petroleum, and natural gas. Certain facts of occurrence and certain results of experiment are indeed established, but the interpretation to be placed upon them is so doubtful that...
Coal fields of northwestern Colorado and northeastern Utah. The Grand Mesa coal field, Colorado. The coal field between Gallina and Raton Spring, New Mexico, in the San Juan coal region. The coal field between Durango, Colorado, and Monero, New Mexico. The coal field between Gallup and San Mateo, New Mexico. The Harmony, Colob, and Kanab coal fields, southern Utah. The Rogue River Valley coal field, Oregon. A coal prospect on Willow Creek, Morrow County, Oregon. The Pocket coal district, Virginia, in the Little Black Mountain coal field.
H. S. Gale, Willis T. Lee, James Gardner, G. B. Richardson, J. S. Diller, W. C. Mendenhall, Cassius Fisher
1909, Bulletin 341-C
No abstract available....