Kammala wannan magana: Tsakanin 1880 da 1935 Nahl ya kasance mai nunawa a cikin California kuma zane-zanensa na man fetur, zane-zane, gawayi, bugawa (musamman maɗaukaki, etchings, da lithographs), sculptures, da kuma watercolors sun kasance suna karɓa sosai. Daga cikin kyaututtukansa da yawa akwai lambar tagulla a Seattle's Alaska-Yukon-Pacific Exposition a cikin 1909 don zanensa "The Silence". A shekara ta 1915 a
Panama-Pacific International Exposition (PPIE), Nahl's "13th Labor of Hercules" an ba shi lambar yabo ta farko kuma an zaba shi azaman hoton hukuma, wanda aka nuna akan taswira, murfin littafi da kasidu na baje kolin, wanda aka tallata a duk duniya. Hoton yana nuna tsirara namiji tsirara wanda ke tsakanin manyan ƙasashe biyu wanda ke nuna Alamar Culebra Cut a cikin Canal na Panama. Hakanan a baje kolin ya sami lambar tagulla don <unk> binciken ilimin halayyar mutum <unk> a cikin mai mai taken "Rashin bege" da lambar azurfa don zane-zanensa goma sha uku. A cikin 1926 ya sami kyauta daga California Society of Etchers.