<Tr> <Td> II . Atlantic Plain </Td> <Td_colspan="2"> 2 . Continental Shelf (not on map) </Td> </Tr> <Tr> <Td> 3 . Coastal Plain </Td> <Td> 3a . Embayed section </Td> </Tr> <Tr> <Td> 3b . Sea Island section </Td> </Tr> <Tr> <Td> 3c . Floridian section </Td> </Tr>

The grand canyon is located within which of the following physiographic provinces