 In 1945 , much of the area that is today 's Cleland Conservation Park was purchased by the State Government , largely thanks to the efforts of Professor Sir John Cleland . Most of this land was combined in 1963 to create the park that extends eastwards up the gully to the summit of Mount Lofty and northwards to Greenhill Road . Waterfall Gully Reserve was added to the park in 1972 . 
 In 1945 , much of the area <a href='null_relcl' title='1'><mark>that</mark></a><a href='drop_aux' title='2'><mark>is</mark></a>today <a href='null_genetive' title='3'><mark>'s</mark></a>Cleland Conservation Park was purchased by the State Government , largely thanks to the efforts of Professor Sir John Cleland . Most of this land was combined in 1963 to create the park <a href='null_relcl' title='4'><mark>that</mark></a><a href='uninflect' title='5'><mark>extends</mark></a> eastwards up the gully to the summit of Mount Lofty and northwards to Greenhill Road . Waterfall Gully Reserve was added to the park in 1972 . 
In 1945 , much of da area todayy  Cleland Conservation Park was copped by tdaState Government , largely thanks to thdafforts of Professor Sir John Cleland . Most of dis land was combined in 1963 to create thedark extend eastwards up the gully to the summit of Mount Lofty and northwards to Greenhill Road . Waterfall Gully Reserve was added to the dak in 1972 .