<Tr> <Td> Puerto Rico </Td> <Td> Cerro de Punta </Td> <Td> 7003133800000000000 ♠ 4,390 ft 1338 m </Td> <Td> Atlantic Ocean (Caribbean sea) </Td> <Td> 5000000000000000000 ♠ sea level </Td> <Td> 7002261000000000000 ♠ 856 ft 261 m </Td> <Td> 7003133800000000000 ♠ 4,390 ft 1338 m </Td> </Tr> <Tr> <Td> Rhode Island </Td> <Td> Jerimoth Hill </Td> <Td> 7002247300000000000 ♠ 811 ft 247 m </Td> <Td> Atlantic Ocean </Td> <Td> 5000000000000000000 ♠ sea level </Td> <Td> 7001610000000000000 ♠ 200 ft 60 m </Td> <Td> 7002247300000000000 ♠ 811 ft 247 m </Td> </Tr> <Tr> <Td> South Carolina </Td> <Td> Sassafras Mountain </Td> <Td> 7003108510000099999 ♠ 3,560 ft 1085 m </Td> <Td> Atlantic Ocean </Td> <Td> 5000000000000000000 ♠ sea level </Td> <Td> 7002107000000000000 ♠ 350 ft 110 m </Td> <Td> 7003108510000099999 ♠ 3,560 ft 1085 m </Td> </Tr> <Tr> <Td> South Dakota </Td> <Td> Black Elk Peak </Td> <Td> 7003220800000000000 ♠ 7,244 ft 2208 m </Td> <Td> Big Stone Lake on Minnesota border </Td> <Td> 7002295000000000000 ♠ 968 ft 295 m </Td> <Td> 7002671000000000000 ♠ 2,200 ft 670 m </Td> <Td> 7003191300000000000 ♠ 6,276 ft 1913 m </Td> </Tr>

What are the highest and lowest elevations in the united states