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Since the 1950 s the water level of the river has been very regular throughout the year due to the huge Aguilar de Campoo dam which collects all the water from the river 's rainy upper valleys .
 location: Aguilar de Campoo
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 location: Aguilar de Campoo