The top documents tagged [natural gas utility]
xcel energy NSP-MN_10Q_Q3 2008
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integrys 2002 wpsr
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2007 Xcel 10-K
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Xcel10Q Q22007
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Xcel_10Q_Q3/2008
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Xcel_10Q_Q3/2008
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xcel energy NSPM_Q2_10Qrev
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xcel energy NSPMN_10Q_2007_Q3
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