Customer Service:
Mon - Fri: 8:30 am - 6 pm EST

 Most recent

ANSI INCITS 145-1986 (R2007)

Identification of Hydrologic Units in the United States and the Caribbean Outlying Areas, Codes for (formerly ANSI X3.145-1986 (R1997))

This standard contains a notice of where to purchase the Geological Survey.

Content Provider
InterNational Committee for Information Technology Standards [INCITS]


ANSI Logo

As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.

CUSTOMER SERVICE
NEW YORK OFFICE
ANSI HEADQUARTERS