| Show las las lam already ned north mouth mouth south linen order astronomy exact long eat eat east west line russia meridian line afford northern limit stretch territory territory run united parallel state state states long enough science line line lint jut survey ham hit irk line latitude longitude post lion result survey thirty monomer sea ion lay lou survey thirty ninth parallel completion survey thirty ninth parallel atlantic pacific ocean across country united states states staten states staten stater ha ion ion ton science given ornament problem figure earth ha knowledge chief object parallel determine figure earth world shape earth fig theory earth once molten mar mar mass revolution centrifugal difficult compute figure earth ought under circumstance earth however tater tater raster pole pole poles along necessity survey seen necessary seashore plumb bob bob job great deal necessary brine brine bring accuracy toward land toward sea sea sen account land water plumb line therefore moat difficult problem instead easy think inasmuch Inaam line point line right angles tangent curve earth survey simplify add accuracy world whole scientific world debt gratitude united state state states state states staten energy kill great ha 5 completion coast geodetic survey marks ILI epoch 6 ed example plumb line order determine necessary vertical line order tn final plumb line goes give ft true title sit tay va x deal astronomy city city ply ott ninth parallel present position ion laid down correct still enough need accurate scientific observation doubt ft seen history est say nothing commercial commercial commerce |