Interrelations of the fossil fuels
By: by John J. Stevenson.
Contributors: American Philosophical Society
Publisher: New era printing company
Published: 1916
Place of publication: Lancaster, Pa
Language: eng
Number of pages: 458
Subjects: Coal.; Geology, Stratigraphic -- Carboniferous.
Notes: "Reprinted from Proceedings of the American philosophical society, v. 55, 1916; v. 56, 1917; v. 57, 1918; v. 59, 1921."