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It was constructed and is operated by the United States Bureau of Reclamation as part of the Dolores Project , and dams the Dolores River to furnish irrigation water for Montezuma and Dolores counties and the Ute Mountain Indian Reservation .
 United States Bureau of Reclamation, Dolores, Dolores, Montezuma, Dolores
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 United States Bureau of Reclamation, Dolores, Dolores, Montezuma, Dolores