Subject ASC0001gjw
The Quarterly journal of the Geological Society of London.
v.10 (1854), Page 235 (1854)
Smithsonian Libraries
BHL Page 35013186
Keywords
chalk chalk pit geology pipe cross-section cross section Guest Fakenham Foulsham Desborough Northamptonshire Harborough Hardingham Norfolk geomorphology sand-pipe limestone dissolution infill sand pipe pipes Chalk-pit Warp-drift Crag Pipes soil Pipe Boulder-clay sand soil layers warp drift crag chalk-pit boulder-clay