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Some colonists did eventually return to their settlements , but today only Colonia Juárez and Colonia Dublan in the Casas Grandes river valley remain active .
 Colonia Juárez, Colonia Dublan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Colonia Juárez, Colonia Dublan