1806 LAWS OF MARYLAND. [CH. 728

provide the funds necessary to pay such principal and inter-
est in any year, said County Commissioners shall levy upon
all property subject to taxation within its corporate limits
ad valorem taxes in rate and amount sufficient to make up
any such deficiency. For the purpose of paying the principal
of said bonds as they mature and the interest thereon the
County Commissioners of Prince George's County are di-
rected to levy annually upon all of the property assessed for
county tax purposes within the portion of the Maryland-
Washington Metropolitan District in Prince George's
County, upon the certification of the Maryland National
Capital Park and Planning Commission, an ad valorem tax
at a rate necessary to produce annually the sum required to
pay the principal and interest for the current year on said
bonds or any part thereof outstanding, which tax shall be
levied and collected as other Commission ad valorem taxes
are levied and collected and paid to said Commission.

(c) The State Roads Commission is authorized and directed
to pay out of its general funds such sums as are required to
pay for the cost of building and relocating complete all state
highways and bridges within the limits of such flood control
and navigation projects in the Anacostia River basin in
Maryland as may be approved by the Federal Government,
provided, however, that said total amount shall not be in
excess of $1, 500, 000. »

(d) The proceeds from all bond issues hereinbefore author-
ized to be issued under this Act shall be turned over to the
Washington Suburban Sanitary Commission, with which pro-
ceeds it shall establish a separate fund to be designated as the
"Flood Control and Navigation Fund", from which fund all
costs of said flood control and navigation projects, other than
costs to be borne by the Federal Government and the State
Roads Commission shall be paid. The proceeds from the bonds
authorized to be issued by this Act shall be applied toward
the. cost of constructing and relocating all county highways
and bridges complete, the construction of recreational and
commercial boat basins and the construction of necessary
internal drainage facilities, the relocation of utility structures
and for the acquisition of land and buildings which it is
necessary to acquire for the flood control and navigation
projects.

(e) The Washington Suburban Sanitary Commission is
hereby designated as the organization responsible for the
administration, maintenance and operation of said flood con-
trol and navigation projects. It shall fix the charges for the
use of commercial navigation facilities, the proceeds of
which shall be applied toward maintenance and operation