Queensland is the second largest mainland state in Australia. It contains 470 separate Protected Areas with a total land area of 6,938,764 hectares (4.02% of the state’s area). 216 of these are National parks, which is the highest number of any Australian state or territory, totalling 6,587,093 hectares (3.81% of the state’s area). Seven others are Scientific National Parks, totalling 52,181 hectares (0.03% of the state’s area).
... is covered by US patents 3,726,146 (1973) and 5,353,655 (1994) by L.A. Mishler and US patent 5,800,311 (1998) by P.S.Chuang.
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