We would invoke the attention of the proper authorities to the fact that, in the opinion of experienced naval officers, piles driven at the bottom of a stream are of little or no use in obstructing channels.
They could be easily removed, or sawed off, as they were in the Savannah river
The most efficient mode is to sink vessels loaded with stone, and to construct bomb- proof batteries on the short commanding the place where the obstructions are placed, and others farther back, to prevent a landing of troops.
Let the thing be done properly and at once.
Instant action is the word, and it must be as thorough as prompt.