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Appendix C: Color Code for Marking Underground Utility Lines – AirSpade Pneumatic Soil Excavation Tools
There are markings with different colors on my property or street, what do they mean? – PG&E Help Center
American Electric Power - AEP - You never know what's underground. Before you dig, always call 8-1-1 and look for these colors to mark underground utility lines. #SafetySaturday | Facebook
ARKUPS - Understanding the markings and flags that utility companies use to indicate the approximate location of their buried utilities is critical to completing your digging project safely! Check out the color
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APWA Uniform Color Code - For Marking Underground Utility Lines - Clarksville Online - Clarksville News, Sports, Events and Information
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APWA Uniform Color Code for marking underground utility lines | Color coding, Electrical projects, Coding
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