9275
Since the commissioning of the dams in the Harz , it is now possible to limit the impact , especially of seasonal floods , e.g. by delaying and slowing down the release of meltwaters on the Oker and Ecker , the Innerste and the Grane in spring .
 location: Harz; location: Oker; location: Ecker; location: Innerste; location: Grane
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Harz; location: Oker; location: Ecker; location: Innerste; location: Grane