bythePanamaCanal. TheGreatBasin TheGreatBasinisalarge, aridregionofthewestern UnitedStates.Its boundariesdependonhow itisdefined.Itsmost commondefinitionisthe contiguouswatershed, roughlybetweentheRocky MountainsandtheSierra Nevada,thathasno naturaloutlettothesea. DeathValley DeathValleyisavalleyinthe stateof...
andformality,asthe"continentalorcontiguous UnitedStates",andasthe"Lower48" Thecapitalcity,Washington,DistrictofColumbia,The capitalcity,Washington,DistrictofColumbia,isaisa federaldistrictlocatedonlanddonatedbythestateof Maryland. TheUnitedStatescouldbedividedintofiveregions. TheseregionsaretheNortheast,theSoutheast...