 The Lipuun Point Reservation, covering a island connected to the Palawan mainland by a mangrove forest, was declared a Site Museum Reservation in April 1972 and was made a priority site for tourism development in 1991 for its natural and cultural heritage.In recent years, verification of facts in addition to further analysis of previously collected samples has allowed for a greater understanding of the site as a whole.Radioisotope dating techniques have been able to show a period of near continuous habitation from 30,000-9,000 years ago.