Ku dhammee weedhan soo socota: Hammond wuxuu shaqadiisii ugu horeysay ee macdanta u qabtay khabiir gaar ah oo ka tirsan US Geological Survey 1879-1880 ee Washington, DC. Sanadkii 1881kii wuxuu dib ugu laabtay California si uu ugu shaqeeyo Senator George Hearst, oo ahaa ninkii ugu weynaa ee macdanta soo saara, sidoo kalena ahaa aabaha William Randolph Hearst. Sanadkii 1882-kii, waxaa loo diray wadanka Mexico oo cadow ku ah, meel u dhow Sonora, si uu u noqdo kormeeraha Minas Nuevas. Marka
Markii uu kacdoonku billowday waxa uu Hammond ku xiray qoyskiisa guri yar waxa uuna la dagaalamay jabhadihii soo weeraray