257587
The property is well watered by the Georgina , Burke , Hamilton and Mulligan River s. The land varies from floodplains to open rolling downs vegetated with mitchell and Flinders grass es and to desert country of the Simpson Desert along the western boundary .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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