Subject ASC0003sqd
The geological magazine, or, Monthly journal of geology.
Decade 2:v.4 (1877) [Incomplete], Page 407 (1877)
Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
BHL Page 32579340
Keywords
oolitic limestone inches cliff iron bed soil layers physical structure clay carbonate of iron ironstone Northampton ironstone beds Northampton Ironstone beds Lincoln section iron bed land bedrock