5th Edition.

Consists of 12 sheets of the following scales.

Thames Estuary, Planning Chart 1:250,000.

Languard Point to Foulness Point 1:100,000.

River Ore and Alde 1:25,000.

Orford Ness to the Naze1:60,000.

River Deben 1:25,000.

River Stour and Orwell 1:25,000.

Walton Backwaters 1;16,000.

West Mersea and Brightlingsea 1:25,000.

River Blackwater; Bradwell to Maldon1:25,000.

Harbours on the Essex Coast. Various scales.

Rivers Crouch and Roach 1:25,000.

Upper River Crouch 1:25,000.