Includes notes on the Jenkin Corer, Mackereth Corer and Livingstone Corer
Letter from B.M. Jenkin regarding sampling and sampling equipment
Letter from C.H. Mortimer to B.M Jenkin regarding discussion of 'future developments', and regards to Jenkin's wife and daughter, Penelope.
Letter from W.H. Pearsall to H.C. Gilson regarding investigating the layers of sediments in Esthwaite Fens and elsewhere.
Photographs of echosoundings in Esthwaite, and of coring equipment
Physical measurements on Esthwaite water corer, 1953
Notes on assembly of Jenkin Surface Mud sampler
Data books of results from Jenkin corer, and physical data, Esthwaite 1953