V.—Notes on the Upper Coal Measures of West Virginia and Pennsylvania
Published in Annals of The Lyceum of Natural History of New York, in 1876, in volume 11, issue 1, pages 46-57
Date published:1876-09
Published in Annals of The Lyceum of Natural History of New York, in 1876, in volume 11, issue 1, pages 46-57
Date published:1876-09