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Surroundings(mainland)
onthenorth–Canada
onthesouth-theGulfofMexico
ontheeast-theAtlanticOcean
onthewest-thePacificOcean
;AdministrativeRegion
50states
mainland-48states
detachedterritory-Alaska
offshoreislands-Hawaii
WashingtonD.C.
afederaldistrictofColumbia
;
Threedistinctareas
(1)theeasternpart
(2)thewesternpart
(3)theGreatPlains
——fiveGreatLakes
——MississippiRiver
;;——TheGreatLakes(freshwater)
LakeSuperior
LakeHuron
LakeErie
LakeOntario
LakeMichigan
NiagaraFallsbetweenLakeErie
LakeOntarioonU.S.-Can.
navigation
linkageofmanyindustrialareas;——TheMississippiRiver
(thefatherofwaters)
longestinNorthAmerica
originatefromtheLakeItasca(inMN)
totheGulfofMexico
3780kmlong
3millionskmofdrainagearea;Sixregions
NewEngland,Mid-Atlantic,South,Midwest,Southwest,West
(1)NewEngland
(2)SouthRegion
(3)WesternRegion
(4)California
(5)Alaska
(6)Hawaii;NewEngland
6states:CT,ME,MA,NH,RI,VT
Europeans’firstsettlements
geographicalfeatures
historicsites
top-rankinguniversitiescolleges
Harvard,Yale,MITetc.;TheIvyLeague
BrownU. RI
ColumbiaU. NYcityNY
CornellU. NY
DartmouthCollege NH
HarvardU. MA
U.ofPennsylvania PA
PrincetonU. NJ
YaleU. CT;(2)TheSouthRegion
13states
plentifulrainfallamildclimate
cropsgrownfrost-free6months
industrydeveloping
populationgrowing
;(3)TheWesternRegion
11states
beautifulforestsstreams
environmentprotection;(4)California
naturalfeatures
notablecities
GDPagriculturalyield
predominant
high-techcenters
eg:SiliconValley;(5)Alaska
stretchingsouthwardfrom
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