Pedzisa mutsara unotevera: Mhuri yeErskine yakagamuchira vashanyi vanoverengeka vakakurumbira, kusanganisira William Bollaert FRGS (1840), Ferdinand von Roemer (1845<unk>1847), uye Frederick Law Olmstead (1857). Pashure pokunge mhuri yaErskine yatengesa purazi racho muma1870, chikamu chenyika yacho chakapiwa Edith Kermit Carow, mudzimai wechipiri waTheodore Roosevelt. Mukati meHondo yeSpain neAmerica, Roosevelt akatasva bhiza raEl Capote, "Seguin", pa
Hondo yeSan Juan Hill (1898). Mamwe mabhiza akati wandei kubva kuEl Capote akashandiswa ne1st United States Volunteer Cavalry ("Roosevelt's Rough Riders") futi.