Chemical analyses and physical properties of 12 coal samples from the Pocahontas field, Tazewell County, Virginia, and McDowell County, West Virginia.  by V.A. Trent [and others]
Contributors: Trent, V.A.
Publisher: U.S. Dept. of the Interior
Place of publication: Washington
Language: eng
Number of pages: 37
Subjects: Coal - Virginia
Notes: 11