Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Historic Town of Guanajuato and Adjacent Mines' has mentioned 'United States' in the following places:
Occurrence Sentence Text Source
They have since been extensively studied in Mexico and the United States.
[29] In 2009, 36 of the mummies were displayed for the first time outside of Mexico, at the Detroit Science Center in the United States as part of a tour to last until 2012.
Puebla, Mexico[69] San Miguel de Allende, Mexico[69] Zacatecas, Mexico[69] Ashland, Oregon, United States[71] Morgantown, West Virginia, United States[72] South Bend, Indiana, United States[70] Alcalxc3xa1 de Henares, Spain[73] Santa Fe, Spain[74] San Fernando, Spain[73] Toledo, Spain[73] Segovia, Spain[73] Seville, Spain[73] Alcxc3xa1zar de San Juan, Spain[73] Spoleto, Italy[73] Avignon, France[73] Umexc3xa5, Sweden[75] Dolores Hidalgo, Mexico[69] Oaxaca, Mexico[69] Mexico City, Mexico[69] Morelia, Mexico[69] Campeche City, Mexico[69] Querxc3xa9taro City, Mexico[69] Tlacotalpan, Mexico[69] Acapulco, Mexico[69] Tepatitlxc3xa1n de Morelos, Mexico[69] Old Havana, Cuba[69] Cuenca, Ecuador[70] Arequipa, Peru[70] Quebec City, Canada[70] Valparaxc3xadso, Chile[70] Salinas, United States[70]