The construction of a reservoir at this place
offers no engineering difficulties, and the project may be regarded as
extremely favorable.
Dixons Pond, west of Rockaway Valley and northwest of Powerville, is a
small sheet of water which lies in a valley which might be flooded to a
greater height. By the erection of a dam 450 feet long and 30 feet high
a lake of 136 acres would be created, which would form a part of the
flood catchment and compensating service.
_Longwood Valley reservoir_.--A large storage basin is afforded in
Longwood Valley which, if developed to its full extent, would extend
from a point about a mile below Lower Longwood 7 miles up the headwaters
and reach to about 1-1/2 miles above Petersburg. An alternative
proposition is afforded which involves the submerging of less than half
this area.
A dam 800 feet long and 55 feet high might be erected across a gorge
about 1 mile south of Petersburg. There would be formed a lake of about
1.247 square miles, or 800 acres in extent.
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