ALBERT C. RITCHIE, GOVERNOR. 923

accomplish the preliminary steps or parts or purposes of said
Partial Flood Prevention Plan, and shall have access to the
work needed or advisable to carry out such plan, without
being liable for more than the actual damage done, but no
unnecessary damage shall be done, and wherever possible per-
mission to do such preliminary and final work shall be ob-
tained on such terms as said Mayor and City Council may
deem proper.

SEC. 9. And be it further enacted, That in order to pre-
vent or lessen the danger from floods in said City of Cum-
berland, and particularly to carry out any and all of the
provisions of said Partial Flood Prevention Plan and to
accomplish any and all of the purposes designed to be accom-
plished by said Plan and by this Act, said Mayor and City
Council of Cumberland is authorized and empowered to clean
out, dredge, straighten, widen, deepen, divert, alter or change
the course of Will's Creek or any other natural or artificial
water course, or any ditch, drain or sewer within said City,
and to fill up the same or any of them; to construct and
maintain main and lateral ditches, sewers, sewer gates, pumps,
canals, levees, dikes, dams, sluices, revetments, reservoirs,
holding basins, floodways, pumping stations, siphons, or other
similar works or instruments; to heighten, lower, alter, modify
or otherwise change the banks of Will's Creek and the Poto-
mac River; to erect walls along or at any point or points
within three hundred (300) feet of said banks or any of
them, and to raise, heighten, add to, lower, strengthen or
otherwise change, alter or modify existing walls now located
along said banks or any of them or within three hundred
(300) feet of said banks or any of them; to strenghten, nar-
row, and otherwise change and modify the piers and other
sub-structures of any and all existing bridges over said Will's
Creek and the Potomac River; to remove all dams and other
obstructions in the beds of either of said streams, and to
lower or otherwise change and modify such dams and other
obstructions, and to change the construction and operation of
the same; to elevate, lower and change the grade and location
of streets, alleys and roadways, both public and private, and
to close or open the same, under all the powers which now
exist in said Mayor and City Council of Cumberland for
said purposes and by the same methods; to remove, model,
rebuild, change the location of, or otherwise alter, change or
modify any and all sheds, houses, stables, garages, store-