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As most often defined , the Spraberry includes portions of Irion , Reagan , Upton , Glasscock , Midland , and Martin Counties , although the underlying geologic unit also touches Dawson , Crockett , and Andrews Counties .
 Irion, Reagan, Upton, Glasscock, Midland, Martin, Dawson, Crockett, Andrews
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Irion, Reagan, Upton, Glasscock, Midland, Martin, Dawson, Crockett, Andrews