Subject ASC0000gvc
Magazine of natural history and journal of zoology, botany, mineralogy, geology and meteorology.
v. 3 (1830), Page 68 (1830)
Natural History Museum Library, London
BHL Page 32949994
Keywords
tertiary class rocks geology tertiary class English strata Midland counties outcrop strata Tertiary Formations Geology chalk tertiary formations english cross-section limestone chalk secondary formations midland counties Sedimentary layers tertiary geological strata Tertiary formations