Show 11 t i c i it tl h 5 d P Pd Pv v Sy 4 I i t fw at e ei a P CL y yas as av 1 s t J Jt ii Y II rHA x mf Latest advance In irrigation is this adaptable steel developed at Utah State University and per per- perfected perfected by two years of intensive field tests that win will be marketed In Utah this Spring for the first time C Earl Israelsen U S U irrigation engineer top shows how easily the modular structure can be assembled and installed From simple pre formed galvanized steel sections a head gate can be adapted to nearly all ditch sizes stream conditions and soil types as shown by the multiple outlet structure bottom Developed under a special grant from U S Steel Products Division U Ur UrS S Steel Corp the device for ore r-ore r oro effective water control has undergone field at different western locations since the basic design W was j un- un unveiled unveiled veiled by irrigation scientists in 1961 |