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American Public Works Association APWA Uniform Color Code for Marking Underground Facilities

Common Ground Alliance (CGA) Best Practices Guide (v 14.0 - March 2017)

Common Ground Iowa

Iowa Code Chapter 480 (Underground Facilities Information)

Iowa One Call

Iowa One Call Excavators Manual (2017) - pdf download

Iowa Utilities Board

Office of the Attorney General of Iowa - Iowa One Call Law page

Contact Information
Iowa Department of Justice, Office of the Attorney General
Environmental Law Division
1305 E. Walnut St.
Des Moines, IA 50139
P: 515-281-5164
E: webteam@ag.iowa.gov

Jacob Larson, Assistant Attorney General
P: 515-281-5341
E: jacob.larson@ag.iowa.gov

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