72404
510,000 cubic yards ( 390,000 m ³ ) of concrete were used in the construction of Pensacola Dam , poured 24 hours a day in just 20 months with depression-era labor .
 location: Pensacola Dam
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Pensacola Dam 
Answer:
 location: Pensacola Dam