Capital Hill, Australian Capital Territory of that capital city, Melbourne Avenue, Adelaide Avenue, Perth Avenue, Hobart Avenue and Darwin Avenue with Brisbane Avenue, Sydney Avenue not even being close. The streets which surround the hill in concentric circles are named after increasing spheres of influence with the inner-most circle called Parliament drive and then spanning out to Capital Circle, State Circle, National Circuit, Dominion Circuit and Empire Circuit. When Griffin drew up his plans in 1912, there was still some optimism that New Zealand might join the Federation of Australia. Griffin's plans included eight avenues radiating out from Capital Hill named after the capitals of
Holt, Australian Capital Territory age Deakin Volcanics are in the north east with the following kinds of rock: Under the Belconnen golf course is green and cream rhyolite of the Walker Volcanics. West of the golf course is a large sedimentary exposure of limestone and shale. A coarse green grey porphyry intrusive can be found to the west of Holt. Holt, Australian Capital Territory Holt (postcode: 2615) is a suburb in the Belconnen district of Canberra, located within the Australian Capital Territory, Australia. It was gazetted on 2 July 1970 and was named after Harold Holt, Prime Minister of Australia 1966-67. Streets are named