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The first pit was sunk by the Marquess of Anglesey in 1849 , when the Hammerwich Colliery opened at the base of Chasewater reservoir .
 Marquess of Anglesey, Hammerwich
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Marquess of Anglesey, Hammerwich