#resource-depletion

#resource-depletion

Even in England, where the recent developments of paleontological botany have opened up new lines of research among the plants of the coal measures, the zeal of the followers of Scott and F. W. Oliver has led to the commercial exploitation of a coal mine in Lancashire where fine specimens of Lyginodendron, the Cycadofilicales, and the fossil seeds of the earlier tree ferns are to be found in abundance.