Mezue ahịrịokwu na-esonụ: N'agbata afọ 1880 na 1935, Nahl bụ onye na-egosipụta ọtụtụ ihe n'ebe dị iche iche na California, a na-anabatakwa ihe osise ndị o sere n'ụdị mmanụ, ihe osise, ihe osise ndị o sere n'ọkụ, ihe ndị o sere n'ụdị ihe osise (karịsịa ihe osise ndị e sere n'ụdị ihe osise, ihe ndị e sere n'ụdị ihe osise, na ihe ndị e sere n'ụdị ihe osise), ihe ndị o sere n'ụdị ihe osise, na ihe ndị o sere n'ụdị ihe osise mmiri. N'ime ọtụtụ ihe nrite ya bụ ọla nchara na Seattle's Alaska-Yukon-Pacific Exposition na 1909 maka eserese ya "The Silence". N'afọ 1915, na
Na Panama-Pacific International Exposition (PPIE), e nyere Nahl's "13th Labor of Hercules" lithographic poster ihe nrite mbụ ma họrọ ya dị ka onyinyo gọọmentị, nke gosipụtara na map, akwụkwọ mkpuchi na katalọgụ nke Ngosi ahụ, nke a na-akpọsa n'ụwa niile. Ihe onyonyo ahụ gosipụtara nwoke na-agba ọtọ na-agba ọtọ n'etiti ihe abụọ nke ala na-anọchi anya Culebra Cut na Canal Panama. Ọzọkwa na Ngosi ahụ, o nwetara ihe nrite ọla nchara maka "ọmụmụ ihe gbasara mmụọ" ya na mmanụ akpọrọ "Obi nkoropụ" na ọla ọcha maka eserese iri na atọ ya. N'afọ 1926, o nwetara ihe nrite site n'aka ndị California Society of Etchers.