american-public-works-association
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American Public Works Association
Standards
- https://www.apwa.org/wp-content/uploads/Uniform-Color-Code-1.pdf|APWA Uniform Color Code]]
- Specifies different colors for marking underground utilities
american-public-works-association.1758838442.txt.gz · Last modified: 2025/09/25 22:14 by 172.56.195.176