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Answered By: Library Reviewer
Last Updated: May 23, 2017     Views: 71

Those abbreviations refer to the different stack levels and sub levels of the Library:

SL1 = Stack Level 1

LL1 = Lower Level 1

SL2 = Stack Level 2

SL3 = Stack Level 3

LL2 = Lower Level 2

Use our library map and tour for more information about the layout of the Library.

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