Positions quoted in this Preliminary Notice reproduced below are referred to WGS84 or a compatible datum and may be plotted directly on this ENC. 		
Some or all of the information contained in this Notice to Mariners may have been included on the ENCs affected.		
		
4652(P)/25 UNITED STATES OF AMERICA —  Gulf of Mexico — Depths. Dredged areas.		
Source: ENC US5HOUDG		
		
	1.	Deeper depths exist, the minimum of which is 31ft, in an area bounded by the following positions:
		
		29° 40' .942N. , 95° 00' .016W.

		29° 40' .945N. , 95° 00' .020W.

		29° 40' .951N. , 95° 00' .020W.

		29° 41' .028N. , 94° 59' .453W.

		29° 41' .022N. , 94° 59' .444W.
		
	2.	Deeper depths exist, the minimum of which is 36ft, in an area bounded by the following positions:
		
		29° 40' .965N. , 94° 59' .401W.

		29° 41' .022N. , 94° 58' .996W.

		29° 41' .008N. , 94° 58' .966W.

		29° 40' .985N. , 94° 58' .957W.

		29° 40' .978N. , 94° 58' .968W.

		29° 40' .994N. , 94° 59' .004W.

		29° 40' .948N. , 94° 59' .339W.

		29° 40' .959N. , 94° 59' .353W.

		29° 40' .956N. , 94° 59' .379W.
		
	3.	Many of the charted dredged depth areas within the Houston Shipping Channel are no longer maintained.
		
	4.	Mariners are advised to navigate with caution in the area and consult the local port authorities for the latest information.
		
	5.	Charts will be updated when works are complete.
		
		(NAD83 DATUM)