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Many people believe that South Maury Island is one of the most sensitive places to mine due to the amount of wildlife the area supports ; however , Glacier Northwest claims that mining on the island and barging the gravel off the site will have fewer environmental impacts than would mining somewhere else and transporting the gravel by truck .
 Glacier Northwest
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Glacier Northwest