For 113 years after the arrival of the First Fleet, much of the mapping of Australia, mainly for colonial exploration, settlement and development, was supervised and conducted by naval and military officers. These officers included the well known explorers and surveyors: Captain Matthew Flinders, Royal Navy; Lieutenant William Dawes (Royal Marines officer), (New South Wales); Lieutenant Philip Parker King, Royal Navy (mainly Tasmania, Western Australia and Northern Territory), Lieutenant John Oxley, Royal Navy, (New South Wales); Lieutenant Colonel Sir Thomas Mitchell (New South Wales, Victoria and Queensland); Captain Charles Sturt (New South Wales and South Australia); Lieutenant John Septimus Roe, Royal Navy (Western Australia), and Colonel William Light (South Australia).