View report page

15
STATISTICS AND SOCIAL CONDITIONS OF THE AREA
ACREAGE, PHYSICAL FEATURES AND GENERAL
CHARACTER OF THE AREA.
The Metropolitan Borough of Hackney covers an area of
3,292 389 acres (land and inland water 3,287192 acres, and tidal
water 5197 acres) and is divided into three Registration Subdistricts
and sixteen Wards.
The Borough varies in elevation between 16 feet and 110 feet
above ordnance datum. The north-west portion lies on yellow clay,
and there is a considerable area on a bed of gravel and sand of
varying depths. Other portions are on brick earth, and in the Lee
Valley there is a bed of alluvial gravel. Underlying the whole of
the Borough is the London blue clay which in a few places appears
near the surface.