Dear Nick29 and robocallaghan,
Thankyou so much i appreciate your help,as i said before though i honestly dont know if there are gravestones for the burials.
I was sent a plan of the Cemetery which i have attached hopefully.

The people i am looking for are,
Henry Underhill ,1840 to 1885 C1 / 288
Thomas W Andrews 1851 to 1925 and wife Hannah E Andrews 1854 to 1938 B1 / 200 GEN
Alice Leah Vine 1882 to 1970 C18 / 102
John Balcombe 1868 to 1908 C13 710 con
Alfred Clifton death not sure but this reference C13 100
Any help with any of these would be brilliant,thankyou again....Tim