550 551 amazonriverregion antiquities appliedearthsciences atlases california cenozoic children'satlases civilization climatechange/climatechangeimpacts contingency(philosophy) coralreefecology cosmology creation earthsciences evolution evolutionarypaleobiology exercises foundations geoengineering geography geology geotechnicalengineering géologiehistorique history humanbeings humanevolution hydraulicengineering hydraulics indiansofnorthamerica intelligentdesign(teleology) landscapechanges lifesciences migrations naturalhistory newhampshire ontario origin paleoecology paleontology philosophy physicalgeography physicalgeology platetectonics problems rw60123 science stratigraphic world worldhistory