http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
American Society of Civil Engineers standard guideline for the collection and depiction of existing subsurface utility data
Standard guideline for the collection and depiction of existing subsurface utility data
"CI, Construction Institute, American Society of Civil Engineers."
"This document uses both Système International (SI) and customary units."
Includes bibliographical references and index.