Subject ASC0001qe3
The Quarterly journal of the Geological Society of London.
v.33 (1877), Page 847 (1845)
Smithsonian Libraries
BHL Page 35819036
Keywords
Russia Karkov Earth soil diluvium sand Cretaceous black earth cretaccous blacksoil sandy reddish clay whitish ealeareous clay stiff clay dark grey clay yellowish-brown clay clean yellow sand fine-grained unstratified chalk steppe section Don River Section of soil from near Karkov Russia. Soil clay calcerous chalk marl Diluvium