I think those are AIA layers. You may want to search on AIA CAD Layering
Standards.
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Brad Yarger
wrote in message news:4858148@discussion.autodesk.com...
Does anyone have or know where I could find a standard for layer names. Like
C-TOPO-GRAD should be used for what and C-ROAD-SAMP is what. Just trying to
keep a standard but dont know what they are.