Subject ASC0003wh2
The geologist : a popular monthly magazine of geology.
Vol.5 (1862), Page 298 (1862)
Natural History Museum Library, London
BHL Page 46207762
Keywords
stratigraphy geology horizontal layer of ferruginous sandstone false stratification stratification sand ironstone beds Gault fossils Terebratulae sandstone horzontal layer of ferruginous false strata