[Code of Federal Regulations]
[Title 27, Volume 1]
[Revised as of April 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 27CFR9.23]

[Page 114]
 
            TITLE 27--ALCOHOL, TOBACCO PRODUCTS AND FIREARMS
 
 CHAPTER I--ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF THE 
                                TREASURY
 
PART 9_AMERICAN VITICULTURAL AREAS--Table of Contents
 
             Subpart C_Approved American Viticultural Areas
 
Sec.  9.23  Napa Valley.

    (a) Name. The name of the viticultural area described in this 
section is ``Napa Valley.''
    (b) Approved maps. The maps showing the boundaries of the Napa 
Valley viticultural area are the:
    (1) ``Mt. St. Helena'' U.S.G.S. 7.5 minute quadrangle;
    (2) ``Detert Reservoir'' U.S.G.S. 7.5 minute quadrangle;
    (3) ``St. Helena'' U.S.G.S. 15 minute quadrangle;
    (4) ``Jericho Valley'' U.S.G.S. 7.5 minute quadrangle;
    (5) ``Lake Berryessa'' U.S.G.S. 15 minute quadrangle;
    (6) ``Mt. Vaca'' U.S.G.S. 15 minute quadrangle;
    (7) ``Cordelia'' U.S.G.S. 7.5 minute quadrangle;
    (8) ``Cuttings Wharf'' U.S.G.S. 7.5 minute quadrangle; and
    (9) Appropriate Napa County tax assessor's maps showing the Napa 
County-Sonoma County line.
    (c) Boundaries. The Napa Valley viticultural area is located within 
Napa County, California. From the beginning point at the conjuction of 
the Napa County-Sonoma County line and the Napa County-Lake County line, 
the boundary runs along--
    (1) The Napa County-Lake County line;
    (2) Putah Creek and the western and southern shores of Lake 
Berryessa;
    (3) The Napa County-Solano County line; and
    (4) The Napa County-Sonoma County line to the beginning point.

[T.D. ATF-79, 46 FR 9063, Jan. 28, 1981, as amended by T.D. ATF-201, 50 
FR 12533, Mar. 29, 1985]