Rat boat or craft of any kind has been

 lost within the last year, that has come
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Rat boat or craft of any kind has been lost within the last year, that has come visi.a my knowledge.

 4 large proportion of the most dan eerous obstructions have been removed from the bed of the Mississippi rivcr.-- However, there Are yet femaining many dang logs and snagst 10 be removed. Most o1 them must De taken out at low water, al winch time alone they are dan gerous. When the riveris at q medium stage and higher, fhe navigationis com parativciy safn as far as relates to snags, Nc., which have been formerly so much the most formidable enemy to the navi- gator and passenger, that all other risks were lost sight of. Atthe present time, inc saags are minor risk compared with the bursting of boilers, burning boats, aud running ioufsof each other. The whole operation of improvement on the Ohio aid Mississippi, under the several acts of Congress, is now in sue. eessfal operation, and much benefit may be expected from the improvements oi the present fall and winter.

 lam, sir, very respectfully,

 Your obedient servant,

 HENRY M. SnnnvE,

 Superintendent. Brig'r. Gen. C. Gratiot.

 