Chemical analyses and physical properties of 12 coal samples from the Pocahontas Field, Tazewell County, Virginia, and McDowell County, West Virgina : a discussion of the metamorphic rank, major and minor elemnt content, and physical properties of 12 coal samples from the Pocahontas field /

Autor Trent, Virgil A., Medlin, Jack H., 1938-, Coleman, S. Lynn, Stanton, Ronald W., 1951-2001
Vydáno 1982