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Number of Employees at Messrs. Vickers' Works
during the period mentioned:—
1921 1530
1922 520
1923 950
1924 950
1925 1200
Number of Season Ticket Holders using Crayford
Station (of the order of) 100
Number of Workmen's Tickets issued daily from
Crayford (of the order of) 200
Report on the Geology of the Crayford District:-
The District, which includes Crayford, Northumberland
Heath, and Slade Green, lies in part on high ground
formed by sands and pebble-beds belonging to the
formation known geologically, as the Blackheath Beds,
and in part on low-lying gravels, brickearths and Marsh
deposits which border the lower courses of the Darent
and the Cray. The Blackheath Beds form an extensive
Plateau, stretching from Blackheath, through Woolwich,
Plumstead and Bostal Commons to Erith and Northumberland
Heath. The remarkably even surface of this
plateau lies usually between 150 and 180 feet above sealevel
This high situation, combined with the porous
nature of the pebbly soil, makes the whole district of
the pebble-beds a pleasant and healthy residential area.
On the east this high ground drops sharply towards
the marshes. Along the foot of the slope, and at about,
50 feet above Ordnance datum. runs the road from Crayford
to Erith, and on the East of this road, the ground
falls gradually through Slade Green, where the surface
is not more than 20 to 25 feet above sea-level to the river
level. In Crayford Marsh a few hundred acres are even
below the high water mark.
The Chalk, the lowest and oldest formation visible
in the district, can be seen only in the great pits between
Erith and Crayford, where it has become exposed by the
removal of vast quantities of gravel and brickearth.
The Chalk lies at too great a depth to affect the character
of the ground surface, and it is only of importance as a
storage for underground water. The Metropolitan
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