AM a . was whiek the bam: to ascer aa vie St Survey contoms {tla c: experimentet ier apg oc . we, mo : ae va pe “ . et ae TTge bef as a . 4 nd othe we , ‘ a4 Pacific Southwest Region Reproduced from the holdings of the National Archives Specification, with the content & survey, ef as ran - o ree ’ 6 f Lye, , § : S un 8 : 7 po “ili * : ” ¢ ok for pre- receduaee inv lves eR so 24°, Macual of Geodetic oe the veesth oeha in far Soasden themselves 8 ye iv making ome or Rk owhoge interrelation sre re- gp ranimate Incations ff the tr angu- rover ngissance and corformance to tet tire tee above - rir ve da reoL ica ¢ ' ' me 4. f- tnfermat on will Po 1 Btn no ‘oy eora ce cf ten fees from anv object. vontal ts dependent on atmospheric -c midissance for Trianguiation, betes , ‘ emulas «ot a table for determining yo “ry computed ‘eirhts of towers ste tan fee* Pe faery BY . - -¢ 4 ef, ry, ak . wo} lisrer hy the es Jers w*L) rive the pom Coast and r ose tayt easy: are based ee MYTrads a- '. trectoe triangulation is to «3 te ’ + . thoy 1 a mye mo ' sm * "he werk and woch other ine sstom No . 7. : OMe AMDOss 4 ble +. e ~ : ° Fuge wee E +o. ey pew ys Rw ‘ec, '.e stations imist be Foee sayy 5 gery wowers erected. orterwisibility rr Pel! ‘et heig + of towerg so established hefercnce., 0), Ceodetic Surve: very bl we 48 be accom habe wes on dinferant be Pson oo ' a om “loent interviesibiituw stl): © c bm ‘+ of stations mast te de. that the jine of ater The minimuy safe cleave conditions, an is recommended * to compensate actual helert Se tree Generally, te er Guired will be gs cecit er lation stctiens «tlio. Streneth of fiwg a ore be dssusd fo cw Ste physically ests Eye & ed » . me ' terra ee. Triangulat or purcis cise surver en oe, : * socedace J executing the ep mest motensive Sendecde ourver. formation of value fons yt Stage ws t tue motions ‘ a # - ar