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The Saltwater River historic site ( entry free ) , located near the north tip west of the peninsula , was originally the site of a convict-operated coal mine .
 location: Saltwater River
Given options, please tell me the categories of all the listed entity words.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} 
 Entities: Saltwater River 
Answer:
 location: Saltwater River