Biblioteca IFEA
Biblioteca IFEA

The Pennsylvanian Fire Clay tonstein of the Appalachian basin : Its distribution, biostratigraphy, and mineralogy discussion and reply

Outerbridge, William

The Pennsylvanian Fire Clay tonstein of the Appalachian basin : Its distribution, biostratigraphy, and mineralogy discussion and reply

bibliogr. p. 124-125

00167606