Dee ihe na-aga n'ihu maka paragraf a - Ezinaụlọ Erskine nabatara ọtụtụ ndị ọbịa ama ama, gụnyere William Bollaert FRGS (1840), Ferdinand von Roemer (1845<unk>1847), na Frederick Law Olmstead (1857). Mgbe ezinaụlọ Erskine rere ugbo ahụ n'afọ ndị 1870, e nyere Edith Kermit Carow, nwunye nke abụọ nke Theodore Roosevelt, akụkụ nke ala ahụ. N'oge agha Spanish-American, Roosevelt nọkwasịrị n'elu ịnyịnya El Capote, "Seguin", n'agha nke San Juan Hill
(1898). Ọtụtụ ịnyịnya ndị ọzọ sitere na El Capote bụ nke ndị 1st United States Volunteer Cavalry ("Roosevelt's Rough Riders") ji mee ihe.