Subject ASC0003wl6
The geologist : a popular monthly magazine of geology.
Vol.5 (1862), Page 429 (1862)
Natural History Museum Library, London
BHL Page 46207907
Keywords
footprint foot drift magnesian limestone vertical longitudinal section carboniferous ichnology edinburgh Footprint drawing illustration Carboniferous Boulder Cross section sandstone stigmaria cross section longitudinal section fossil footprints carboniferous rock cross-section