The addition will cover 14 acres of the 2,200-acre site.
The site covered 15 acres all of which have been developed by the college to the present day.
I looked around the garden, which must have covered at least two acres.
By 1901 the population was 153,000 and the city covered more than 6,000 acres (24 km2).
The project covers more than 100 acres and is the largest of its kind in the world.
The parish covered 3725 acres and had a population of 697 in 1881.
The grounds cover 55 acres, and has 390,000 square feet of floor space.
By 1914 the park had largely taken its present form, covering 21 acres.
The developed area in this lower section covers 9.3 acres.
The ancient woods cover 190 acres and are 8,000 years old.