City Council. The quarry extracts metamorphic rock for both stonework and aggregate. Due to the hardness of the rock, blasting can be required for extraction, but the hardness is beneficial as the building materials it creates are very durable. The quarry has provided the aggregates for over 96% of Brisbane's roads, producing approx of aggregate for asphalt each year. History Before the Moreton Bay penal settlement, Mount Coot-tha was the home of the Yugara Aboriginal people. The Aboriginal people came to the area to collect ku-ta, the Yugarabul word for honey that was produced by the native stingless bee. In 1839, surveyor James Warner and his team cleared the top of the mountain of all trees except one large eucalypt tree. Because this single tree could be seen from many other locations, it was used as a trigonometric station to take surveying measurements. This led to the mountain being called One Tree Hill. In 1873, the forests on the mountain were reserved declared a timber reserve to supply timber for Queensland's growing railway network. The name Coot-tha replaced the name One Tree Hill when the area was declared a park in August 1883. The name was suggested by Henry Wyatt Radford, the Clerk of the Queensland Legislative Council. In the mid 1890s, the Shire of Toowong (then the local government for the area) established a quarry on the side of the mountain. Following the 1925 amalgamation of local government areas that created the City of Brisbane, the ownership and operation of the quarry was acquired by the Brisbane City Council. During World War II, the mountain was used as a military base by the RAAF and the US Navy. It was converted to a vast explosives depot and at one stage held more than 120,000 tonnes of explosive weapons. When darkness fell, the lookout bristled with search lights in an amazing display as soldiers kept an eye out for enemy planes. Anti-aircraft guns and searchlights were located on the lookout. Mount Coot-tha was also the site of US Naval Ammunition Depot (Navy 134) supplying submarines at the Capricorn Wharf at New Farm (Teneriffe) in Brisbane. In 1970, Brisbane City Council established new botanic gardens at the base of the mountain with the intention of replacing the then Brisbane Botanic Gardens at Gardens Point in the Brisbane CBD, which was prone to flooding and lacked space for expansion. The new gardens