A
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B
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C
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D
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E
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F
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G
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H
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I
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J
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K
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L
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M
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N
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O
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P
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Q
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R
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S
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T
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U
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V
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W
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X
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Y
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Z
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·

Directory Results for Overview addresses and names NBSO offices to Overview and Documentation of the Social Security Administrations Disability Analysis File (DAF) Public Use File (PUF). This document provides an overview of the DAF Public Use File, for purposes of conducting research on Social Security