r name with one of the most brilliant naval achievements on record, and to your able assistance with the flotilla is Flag-officer Farragut much indebted for the successful results he has accomplished.
To yourself and the officers and seamen of the mortar flotilla, the department extends its congratulations.
I am, respectfully, &c., Gideon Welles. Commander David D. Porter, Commanding United States Mortar Flotilla, Gulf of Mexico.
Coast Survey reports.
Treasury Department, May 22, 1862.
Sir — At the instance of the Superintendent of the Coast Survey, I have the honor to transmit herewith a copy of the journal of Assistant F. H. Gerdes, United States Coast Survey, showing the services rendered to the fleet under command of Flag-officer Farragut, United States Navy, and to the mortar fleet under command of Captain D. D. Porter, United States Navy.
I am, very respectfully, S. P. Chase, Secretary of the Treasury. Hon. Gideon Welles. Secretary of the Navy.