▁a ▁book ▁public ising ▁the ▁" Val ley ▁of ▁Flow ers "; ▁▁ 1 9 3 4 : ▁The ▁upper ▁N anda ▁De vi ▁San ctu ary ▁was ▁reached ▁and ▁described ▁by ▁mount aine ers ▁Eric ▁Sh i pton ▁& ▁Bill ▁T il man ; ▁▁ 1 9 3 6 : ▁Mount aine ers ▁Bill ▁T il man ▁& ▁No el ▁Od ell ▁clim bed ▁N anda ▁De vi ; ▁▁ 1 9 3 9 : ▁The ▁bas in ▁established ▁as ▁the ▁N anda ▁De vi ▁Game ▁San ctu ary ▁by ▁Government ▁Order ▁ 1 4 9 3 / X IV - ▁ 2 8 ▁of ▁ 7 / 0 1 ; ▁▁ 1 9 6 2 : ▁Border ▁disput es ▁closed ▁the ▁area ▁to ▁traffic , ▁alter ing ▁the ▁local ▁economy ; ▁▁ 1 9 7 4 - 8 2 : ▁The ▁san ctu ary ▁was ▁opened ▁to ▁mount aine ering , ▁but ▁the ▁en su ing ▁de grad ation ▁led ▁to ▁its ▁closure ▁to ▁all ▁users ; ▁▁ 1 9 8 0 : ▁The ▁park ▁was ▁established ▁as ▁San j ay ▁Gand hi ▁National ▁Park ▁by ▁Notification ▁ 3 9 1 2 / ▁XIV ▁ 3 - 3 5 - 8 0 ; ▁gra zing ▁and ▁mount aine ering ▁stopped ; ▁▁ 1 9 8 0 : ▁The ▁Valley ▁of ▁Flow ers ▁was ▁declared ▁a ▁national ▁park ▁by ▁Government ▁Order ▁ 4 2 7 8 / X IV - 3 - 6 6 - 8 0 ▁under ▁the ▁prov isions ▁of