000			003160000a22001450004500
245			_aCobblestone April 2002
260			_c4/1/2002
590			_bOnTheFly
650			_aAlaska
650			_aBeringia
650			_aGold Rush
650			_aOil
651			_xEnvironment
852			_oJ PER
999			_c44189 _d44189