Ordnance survey of England. Sheet 256, North London, drift.

Bibliographic Details
Corporate Author: Great Britain. Ordnance Survey
Format: Map
Language:English
Published: Southampton : Ordnance Survey Office, 1951.
Edition:3rd ed.
Subjects:
Description
Item Description:"Original Geological Survey on the one-inch scale published on Sheets 1 and 7, Old Series, 1961-1868. Drift added 1871 to 1876. Re-surveyed on the six-inch scale: in part by A.C.G. Cameron and J.A. Howe 1898 to 1902, and A. H. Noble 1911; revised and completed by C.E.N. Bromehead and others, 1912 to 1922. Published in 1925. Minor adendments by S. Buchan, 1935; others based on S.W. Hester, 1949. Republished, 1951."
"Section showing the general relations of the rocks along the line engraved across the map."
Includes: Explanation of geological signs and colours.
Cartographic material.
Physical Description:1 map : color ; 31 x 46 cm., on sheet 51 x 62 cm.