The Marree Man, or Stuart's Giant, is a modern geoglyph the circumstances of whose creation have not been ascertained. It appears to depict an indigenous Australian man hunting with a boomerang or stick. It lies on a plateau at Finnis Springs 60 km (36 mi) west of the township of Marree in central South Australia. It is just outside the 127,000 square kilometres (49,000 sq mi) Woomera Prohibited Area. The figure is 2.7 km (1.7 mi) tall with a perimeter of 28 kilometres (17 mi). Although it is one of the largest geoglyphs in the world (arguably second to the Sajama Lines), its origin remains a mystery, with no one claiming responsibility for its creation nor any eye-witness having been found, notwithstanding the scale of the operation required to form the outline on the plateau floor. The description "Stuart's Giant" was used in anonymous faxes sent to media as "Press Releases" in July 1998, in a reference to the explorer John McDouall Stuart. It was discovered fortuitously by a charter pilot in an overflight on 26 June 1998.
Shortly after its discovery, the site was closed by the South Australian government following legal action taken in late July by Native Title Claimants, but flights over the site were not forbidden as Native title fell under federal government jurisdiction.
The lines outlining the figure were 20–30 cm (8–12 inches) deep at the time of discovery and up to 35 metres (114 feet) wide. The image was gradually eroded through natural processes, but because the climate is extremely dry and barren in the region, the image was still visible in 2013. While there is a layer of white chalk material slightly below the red soil, the figure was not defined to this depth.
In August 2016, work was carried out to redefine the geoglyph using a grader assisted by GPS. The work resulted in an outline clearly visible from the air, matching the original. Two decades after its creation it was speculated that the work itself could not have been created without GPS technology, then in its infancy.
Trec Smith, a charter pilot flying between Marree and Coober Pedy in the remote north of South Australia, spotted the figure from the air on 26 June 1998. The discovery of the geoglyph fascinated Australians due to its size and the mystery surrounding how it came to be there.
Anonymous press releases
Several anonymous press releases sent to media and local businesses in July and August 1998 led to the suggestion that the Marree Man was created by people from the United States. The releases said "your State of SA", "Queensland Barrier Reef" and mentioned Aborigines "from the local Indigenous Territories", terms not used by Australians. The press releases also mentioned the Great Serpent in Ohio, which is not well known outside the US. It was also conjectured that these features of the press releases may have been red herrings, inserted to provide an illusion of American authorship.
On 16 July 1998, it was reported that a small glass jar had been found in a trough freshly dug at the site containing a satellite photo of Marree Man together with a note bearing a US flag and references to the Branch Davidians and "Stuart's Giant".
In January 1999, a fax sent to officials described a dedication plaque buried 5 metres (16 feet) south of the nose of the figure. The plaque bore an American flag, 3 centimetres (1.2 in) long by 2 centimetres (0.79 in) wide, with an imprint of the Olympic rings and bore the words,
which come from Hedley H. Finlayson's 1946 book The Red Centre, in a section describing the hunting of wallabies with throwing sticks and with photographs of hunters without loin cloths and other details seen in the "Marree Man". The book deals with hunters of the Pitjantjatjara tribe.
Bardius Goldberg, a Northern Territory artist who died in 2002 and lived at Alice Springs, has been suggested as the creator of the work. Goldberg, who was known to be interested in creating a work visible from space, refused to either confirm or deny that he had created the image when questioned.
Much of the public and media reaction to the discovery of the figure was positive. The Advertiser, the state's only daily newspaper, called for the figure to be made permanent by excavating the outline down to the white chalk layer.
At the time of discovery, the area was part of a Federal Court legal battle through the National Native Title Tribunal to determine the "traditional owners". The area was claimed by both the Arabunna people and the Dieri Mitha who had been in dispute for several years. The Dieri Mitha publicly complained of harm and exploitation of the Dreamtime, calling for the image to be erased and for the artist to be prosecuted. As Native Title Claimants, the Dieri Mitha took legal action to stop charter flights and vehicles visiting the site, prompting the state government to close the area to the public shortly after discovery. The Arabunna replied, through a solicitor, that the area covered points of archaeological interest and that the artist could be prosecuted. In May 2012, the Federal Court handed native title to the Arabunna people.
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- In January 1995 the two groups had fought over the issue, leaving one dead and ten injured. In May 1998, only one month before the discovery of the geoglyph, the National Native Title Tribunal took the issue to the Federal Court. Although a resolution was expected to be reached quickly, the case was eventually to take 14 years before the Federal Court was able make a ruling: Dodd v State of South Australia  FCA 519 (22 May 2012), Federal Court (Australia).
- Leave our land alone Archived 17 April 2012 at the Wayback Machine. The Advertiser 17 July 1998 State Library of South Australia
- Court ruling on Eyre handover The Australian 22 May 2012
- View in Google Maps: "Google Maps". Maps.google.com. Retrieved 2010-09-19.
- Audio Interviews with Brad Thompson, Marree-based pilot: Centenary of Federation - Connecting the Continent
- UFO Updates: Skywatch: New Clues To Marree Man Mystery at the Wayback Machine (archived 15 September 2007)