
yunaittad stetts armi corps oof topographical enchineeyarmaar

yuu.ezz. 1838 juulai 4 nuu adhikaarappeduthiya american aikyanaadukalude sainyathinte oru shaakhayaayirunnu bhooprakrithiyilulla enchineeyarmaarude armi corps. athil padinjaaran pooyintil ninnu thiranjeduttha udyogasthar maathrame undaayirunnulloo, koodaathe laitt houseukalum mattu theeradesha kottakalum naavigeshan roottukalum polulla federal sivil varkkukalude roopakalppanaykkum nirmmaanathinum ithu upayogichu. jorjju meed, joonn sii thudangiya udyogastharum amgangalil ulppedunnu. fremond, thomas jeey. kraam aandu steefan long. 1863 march 31 nuu ithu yunaittad stetts armi corps oof enchineeyarmaarumaayi layippichu, aaa samayat corps oof enchineeyarmaar valia thadakangalkkaayulla thadaaka survey etteduthu. pathonpathaam noottaandinte madhyathil, enchineeyarmaarude offeesarmaarude corps yuu. esumaayi chernnu laitt house jillakal nadatthi.ezz. naavika udyogasthar.
1841ll kongras thadaaka sarway srishtichu. detroit, mishil aasthaanamaayulla sarway.vadakkan, vadakkupadinjaaran thadaakangalil hydrographical sarway nadathunnathinum nottikkal chaarttukalum mattu naavigeshan sahaayangalum thayyarakkukayum prasidheekarikkukayum cheythathinte chumatala addehathinundaayirunnu. 1852ll thadaaka sarway athinte aadya charttukal prasidheekarichu.
praadhaanyam.
vilyam goyatsmaan ezhuthiyittundu 
corpsinte srishtikku munbulla pradhana paryaveshanangal.
mothatthil, louisiana vaangalilekku aarr pradhana paryaveshanangal undaayirunnu, aadyathethu 1804-1806 leeii louis clark nayicha ettavum ariyappedunna kandethal korpsaayirunnu. 1804 leeii randaamathe paryaveshanatthil jyothishaasthranjanum prakrithishaasthranjanumaaya joonn danbaarum pramukha philadelphia rasathanthranjanaaya vilyam hunder ulppedunnu. eee paryaveshanam texasile chuvanna nadiye pinthudarnnu athinte uravidathilekku pookaan shramichuvenkilum pinneedu speyininte niyanthranathilaayirumnum moonnu maasathinu sesham thirichupoyi.
1806 eprilil kyapttan richard spaarksinte neethrthwathil randaamathe redu rivar paryaveshanatthil jyothishaasthranjanum surveyarumaaya thomas freeman paryaveshanatthinte sasyashaasthranjanaayi sevanamanushticha pensylvania sarvakalaashaalayile medical vidyaarthiyaaya peettar kasttisum ulppettu. spanish adhikaarikal thirichayakkunnathinu munbu 24 peradangunna samgham chuvanna nadiyilekku 615 mile sanjarichu. louis clark nayikkunna paryaveshanatheppole thanne eee paryaveshanavum pradhaanamaakumenn president thomas jefezhsan pratheekshichirunnuvena spanish adhikaarikalude thadassangal eee prateeksha saakshaathkarikkunnathil ninnu thadanju.
1805-1806 ll, lefttanant sebulan paikkinodu upper louisiana pradeshatthinte govarnor general jaims wilkinson mississippi nadiyude uravidam kandethaan utharavittu.
1806-1807 ll, president jefezhsan mattoru paryaveshanatthil, arkansas nadiyudeyum chuvanna nadiyudeyum uthbhavasthaanam kandethaan lefttanant paikkinodu utharavittu. paikk paryaveshanam ennaanu ithu kooduthal ariyappedunnathu. spanish sainyam paikkine arast cheyyukayum addehathinte pepparukal pidichedukkukayum cheythuvenkilum paikkinte rekhakal vivarthanam cheyyaan oru vivarthakaneyum cartographere niyogichu.
1817ll mejar steefan echu. arkansas nadiyile fort smithinum fort sentsinum vendi sittukal thiranjedutthu mississippy nadiyude mukalbhagam deerghakaalam paryavekshanam cheythu. minnesotta mississippiyudeyum samgamasthaanathu aanthani.
1819ll president jaims monroyum yudhakaarya sekrattari joonn sii. yelloston paryaveshanam ennariyappettathine nayikkaan general henry atkinsaninodu kaalhoun utharavittu. eee mekhalayile thaddesheeya american gothrangalkkidayilulla britiish swaadheenam illaathaakkuka ennathaayirunnu oru lakshyam. ekadesham 1,000 sainikare anchu steembottukal vazhi misauri nadiyilekku manjakkallinte mukhathulla mandan graamangalilekku kondupoyi, avide avar oru kotta nirmmichu. padinjaaru neeravi propulsion aadyamaayi upayogichathayi ariyappedunna onnaanith.
athum kaanuka.
armi jiospeshyal sentar