Lake Mungo remains that LM3 can not be older than 50,000 years BP. According to anthropologist Peter Brown, with the absence of the original deposit that once lay above the burial, a minimum age for the burial has not been established, only a possible maximum. In 2003, Professor Bowler led a project bringing together a multi-disciplinary team of Australian expert groups (comprising four Australian universities, the NSW National Parks & Wildlife Service and the CSIRO, as well as including descendants of the Mungo people) to collaborate on a final determination of the skeleton's age. They reached a consensus that LM3 is about 40,000
Innes National Park broad classification known as "archaeological sites". The following two sites at Inneston and Stenhouse Bay associated with the mining of gypsum are listed on the South Australian Heritage Register - the "Inneston Gypsum Complex" and the Stenhouse Bay Jetty. At least four shipwrecks which are located within the national park or immediately adjoining its coastal boundary are protected under Australian and state historic shipwrecks legislation. SS "Marion" which run aground to the immediate east of Chinamans Hat Island during 1862 is protected under the Australian "Historic Shipwrecks Act 1976". "Ethel" which run aground on the coastline between West Cape and