64                                   Laws of Maryland                          [Ch. 30

sion, land within any river zone established by the Commission may
not be used for any purpose other than that for which it was actually
and lawfully being used when the river zone was established or the
amenities plan or portion thereof relating thereto was adopted by
the Commission pursuant to Section 9.04, whichever shall be later;
provided, that until such state or local zoning or other land use con-
trols have been accepted by the Commission, the Commission may
authorize changes from existing uses of land if it finds that such
changed uses will be compatible with its amenities plan adopted
pursuant to Section 9.04- The Commission shall not accept any zoning
or other land use controls unless they provide that, insofar as the
Commission may prescribe, any change in, or special exceptions or
variances thereafter made or authorized relating to the use to which
any land may be put, shall not become effective with respect to land
within a river zone until accepted by the Commission as compatible
with its amenities plan. The Commission shall by regulation provide
for the effectuation of the provision of this subsection (b).

(c)   Whenever any jurisdiction has enacted and is enforcing zoning
or other land use control laws, ordinances or regulations, subsections
(a) and (b) hereof shall not apply, and the power of the Commis-
sion shall be limited to the making of recommendations for the
implementation of its amenities plan.

(d)  The Commission shall not exercise any of the authority con-
ferred by subsections (b) and (c) hereof prior to January 1, 1980.

9.07. Recommendations for Land Preservation.—The Commission
may from time to time designate park, recreation, scenic and historic
areas and the boundaries thereof within the basin and recommend
to agencies of the signatories and to local governmental units pro-
grams for the preservation and enhancement of such areas. With
respect to such areas the Commission may also recommend minimum
standards of regulation of land and water use and such other pro-
tective measures as the Commission may deem desirable, and may
prepare and recommend to the signatories and to local governmental
units model laws, ordinances and regulations which would assist,
promote, develop and protect those areas.

121.

ARTICLE 10
HYDROELECTRIC POWER

10.01.    General.—In the exercise of its general powers as de-
scribed in Section 3.05, it is not intended that the Commission shall
engage in the construction and operation of hydroelectric generating
or transmission facilities as a primary undertaking. However, hydro-
electric generating components and appurtenances may be installed
in any project of the Commission either by the Commission, or by
others under such terms and conditions as may be agreed upon with
the Commission, whenever the Commission deems their inclusion
either desirable or necessary in view of the prevailing or anticipated
economic, operational or regional circumstances. Such facilities may
be operated by the Commission or may be operated by others under
its authority and direction.

10.02.    Development.—Nothing in the preceding section shall be
construed to bar the development and operation of facilities for the