The Geography of the Western Kentucky Coal Field Wilbur Greeley Burroughs Published: 1925 Total Pages: 244 Get eBook
The Geography of the Western Kentucky Coal Field Willard Rouse Jillson Published: 1931 Total Pages: 188 Get eBook
Technical Paper - Bureau of Mines United States. Bureau of Mines Published: 1942 Total Pages: 1290 Get eBook
Transactions of the Kentucky Academy of Science Kentucky Academy of Science Published: 1924 Total Pages: 838 Get eBook
The Register of the Kentucky Historical Society Kentucky Historical Society Published: 1912 Total Pages: 1046 Get eBook