Subject ASC0001hsz

The Quarterly journal of the Geological Society of London.
v.5 (1849), Page 295 (1849)
Smithsonian Libraries
BHL Page 35268939

Keywords

Geology Tiber Italy Monte Mario Villa Borghese Ponte Mario cross section woodcut blue marls yellow calciferous sandstone peperino tuffs travertine geology River Tiber strata rocks sand landscape geological drawing

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