Subject ASC0003u3q
The geological magazine, or, Monthly journal of geology.
n.s., decade 4, v. 6 (1899), Page 452 (1899)
Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
BHL Page 32510311
Keywords
Lepraenthus rectus ridges shale spine ridge coal yorks Lepraeanthus rectus Shale above Better Bed Coal Low Moor Yorks Dr. Traquair Mr. A. Smith Woodward fossil