1908
https://maps.nls.uk/view/105987250
The current road/path through Marlhill Copse occupies the land to the south of the copse at this stage
1932 https://maps.nls.uk/view/105987247
The road has been constructed - probably because of the advent of the motor car.
The arboretum has been laid out.
By definition, the arboretum has a lot of 'non-indigenous' trees including pines.
1941
https://maps.nls.uk/view/105987244
Paths have extended from the arboretum to most of the copse.
Many of these paths are still visible which means that they have been used since this time
2019 UK Govt: Defra
This is a definitive HM Government map that shows the path through Marlhill Copse labelled as 'River Walk' and, like most OS maps, an extension of the adopted road of the same name.
This is the Milne map of Hampshire from 1791. Townhill is shown as the property of N. Middleton Esq, who purchased the farm in 1787
Her are the trajectories of a day's takeoffs to the south on runway 20. Red to Green represent the aircraft's height. Marlhill Copse is labelled. The line over the 'a' in Marlhill goes over St. Helena Gardens (Monterey pine T124 - the tallest tree in Marlhill - 14002 below). See [Photos]