The roll contains twenty charts detailing soundings taken by the Humber Conservancy Board during surveys undertaken between various sea marks in the Humber. It includes the following surveys:

1. Examination of Channel between the No. 18 Elbow and No. 20 Anson Light Buoys: 21 and 24 March 1952

2. Examination between No. 16 Salt End and No. 26 Upper West Middle Light Floats: 26–27 November 1952

3. Examination between St Leander Wreck Buoy and No.28 Light Float: 11 June 1953

4. Examination between No. 28 Light Float and St Leander Wreck Buoy: 12 September 1953

5. Examination between the No. 28 Light Float and St Leander Wreck Buoy: 16 and 18 September 1953

6. Survey between the No. 26 and No. 23 Light Buoys: 28–29 September 1953

7. Survey between the No. 28 and No. 23 Light Floats: 14–16 October 1953

8. Survey between the Nos. 16 and 26 Light Floats: 19 October, and 17 and 19 November 1953

9. Survey between the No. 28 and No. 23 Light Floats: 27–28 and 30 October 1953

10. Survey between the Nos. 26 and 23 Light Floats: 12–13 November 1953

11. Examination between No. 16 Float and No. 14 Buoy: 19 November and 3 December 1953

12. Examination between No. 28 and No. 23 Light Floats: 25–27 November 1953

13. Examination between No. 26 and No. 23 Light Floats: 14–21 December 1953

14. Examination between No. 21A Light Buoy and No. 28 Light Float: 21 December 1953

15. Survey between No. 26 Upper West Middle and No. 25 Light Floats: 17 December 1953–12 January 1954

16. Survey between the No. 26 and No. 25 Light Floats: 28–29 December 1953

17. Survey between the No. 26A Light Buoy and No. 23 Hessle Sand Light Float: 26 and 27 January 1954

18. Survey between No. 26A and No. 21A Light Buoys: 8 and 15 February 1954

19. Survey between No. 26 Light Float and No. 23 Hessle Sand Light Float: 22–25 February 1954

20. Examination between No. 26 Light Buoy and No. 25 Light Float: 8–9 and 16 March 1954

Scale: 6 inches to 1 statute mile [1:10560]