Subject ASC0003syf
The geological magazine, or, Monthly journal of geology.
Decade 2:v.8 (1881), Page 397 (1881)
Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
BHL Page 32519664
Keywords
geology sandstone vertical section trias chester keuper marl waterstone lower basement bed erosion upper mottled pebble band Upper and Lower Mottled Sandstone Waterstones.Keuper Marls Erosion Pebble Beds vertical section of a part of the trias near Chester