The Geology and Coals of Webster County Leonidas Chalmers Glenn Published: 1922 Total Pages: 282 Get eBook
Webster County and Portion of Mingo District, Randolph County, South of the Valley Fork of Elk River West Virginia Geological and Economic Survey Published: 1920 Total Pages: 782 Get eBook
The Geology and Coals of Webster County Leonidas Chalmers Glenn Published: 1922 Total Pages: 274 Get eBook
Geology and Ground-water Resources of Webster County, Iowa William Edward Hale Published: 1955 Total Pages: 286 Get eBook
County and regional geology: Geology of the middle region of western Iowa and other counties Iowa Geological Survey Published: 1870 Total Pages: 488 Get eBook
