NO W ), ▁a ▁non - pro fit ▁frat ernal ▁benefit ▁society ▁based ▁in ▁Oregon ▁since ▁ 1 9 0 5 ▁and ▁operating ▁in ▁several ▁western ▁states , ▁for ▁use ▁as ▁a ▁national ▁headquarters ▁and ▁club house . ▁ ▁The ▁building ▁was ▁completed ▁in ▁May ▁ 1 9 2 9 ▁and ▁dedicated ▁in ▁June . ▁ ▁In ▁ 1 9 9 3 , ▁N OW ▁sold ▁the ▁building ▁and ▁moved ▁out ▁of ▁its ▁remaining ▁office ▁space ▁there . ▁ ▁The ▁building ▁was ▁added ▁to ▁the ▁National ▁Register ▁in ▁February ▁ 1 9 9 6 . ▁ ▁See ▁also ▁ ▁National ▁Register ▁of ▁Historic ▁Places ▁list ings ▁in ▁South west ▁Port land , ▁Oregon ▁ ▁References ▁ ▁Category : 1 9 2 8 ▁establish ments ▁in ▁Oregon ▁Category : Build ings ▁and ▁structures ▁completed ▁in ▁ 1 9 2 8 ▁Category : Com mer cial ▁buildings ▁on ▁the ▁National ▁Register ▁of ▁Historic ▁Places ▁in ▁Oregon ▁Category : Cl ub h ouses ▁on ▁the ▁National ▁Register ▁of ▁Historic ▁Places ▁in ▁Oregon ▁Category : Go ose ▁H ollow , ▁Port land , ▁Oregon ▁Category : Mod erne ▁architecture ▁in ▁Oregon ▁Category : National ▁Register ▁of ▁Historic ▁Places ▁in ▁Port land , ▁Oregon ▁Category : Port land ▁Historic ▁Land marks <0x0A> </s> ▁Hel ix ▁eng add ensis ▁is ▁a ▁species ▁of ▁sn ail ▁common ▁in ▁the ▁Lev ant , ▁both ▁in ▁Mediter rane an , ▁desert ▁and ▁mont ane ▁clim ates . ▁It ▁is ▁smaller ▁than ▁the ▁closely ▁related ▁European ▁Garden ▁sn ail ▁and ▁usually ▁l ighter