<prompt> Qedela umusho olandelayo: UHammond wathatha umsebenzi wakhe wokuqala wezimayini njengesazi esikhethekile se-US Geological Survey ngo-1879-1880 eWashington, DC. Wabuyela eCalifornia ngo-1881 ukuze ayosebenzela uSenator George Hearst, owayengusomabhizinisi wezimayini futhi enguyise kaWilliam Randolph Hearst. Ngo-1882, wathunyelwa ezweni elinenzondo eMexico, eduze kwaseSonora, ukuba abe umphathi waseMinas Nuevas. Lapho  <response>: kwaqubuka inguquko, uHammond wafaka umkhaya wakhe endlini encane futhi walwa namavukela-mbuso ayehlasela. 