Subject ASC0001hvd
The Quarterly journal of the Geological Society of London.
v.13 (1857), Page lx (1857)
Smithsonian Libraries
BHL Page 35315287
Keywords
Landscape stratification cut Gneiss limestone Mont Blanc Ruskin geology rock formation cross section MontBlanc shale excavation shales clay landscape Limestone section gneiss limestones strata junction mont blanc mr. ruskin stratified