NKW MKTIIODS OK KI.KC'IHTCA I, KX I'l.OHA'I'ION IN SIUKKIA 211 



III l*>50 in. Wrslrrii Silirii;! llic pciiods ol iiilciisivr varialioii allciiialcd 

 willi |t('ri(»(ls (»r \\cak<'iiiii^ in the licM iiilnisily. 



I'Or <'\am|tlc, if ill llic sccoikI hall ol \ii^ii-l I In- varialioiis wil li ainjilil iidf 

 II I » \i) A inV/kiu wnr coiiliimrd aliiKt^l iiniiil<i rii|ilrdly lor a |icii<)d ol M) I2lii', 



I'M;. II. \la|. ol llii.kiic^s (,r irial.ir. .Irj.o.silrt. I Ivjiial lliirkiirss lino lor iIk; I'rial) 



flf^posilH. 



I lull ill S(|)l(iiii)('r, lli(;aiii|)lil iid(' i)f llic varialioiiH was reduced lo 0.5 I inV/km, 

 and I lie diirali(tii. of vaiialions lo f) lir. l"or (^acli iiionlli ol I Ik- lidd s(!asoii 

 oi 1956 thcn^ were, 2 to 6 days whru !li(;n; were, no nicasiirahic varialioiiH. 

 Tlu! av(;raf^(! ral<; of prodiinlion using lli<; l(;]|iiri(; (uriviil mclliod was I point; 

 per i list III ni<;nt. c;liang(; in roiit<; surveys v\illi a 10 .'>0 km step and 2 points 

 in an atcal survey witii a .'i 5 ktii slep. 



