British landscape artist Benjamin Williams Leader made two oil paintings in 1891 depicting the excavation of the Manchester Ship Canal, one held by the National Trust at Tatton Park and the second at Oldham Gallery.

Leader was the younger brother of engineer Edward Leader Williams who designed the canal. (The artist changed the order of his names, as he considered Leader more distinctive than Williams.) Leader had established a reputation as a painter of evocative and earthy country scenes by the time he made the painting.

The painting has not always been appreciated: in his book Landscape into Art, published in 1949, art critic Kenneth Clark contemptuously dismissed its earthy tones as "squalid".

Tatton version
One version of the painting is held by the National Trust at Tatton Hall.  The Excavation of the Manchester Ship Canal: Eastham Cutting, 1891 (also known as The Excavation of the Manchester Ship Canal: Eastham Cutting with Mount Manisty in the distance) measures .  It is signed and dated in the lower right corner "R. W. LEADER 1891".

Wilbraham Egerton, 1st Earl Egerton was chairman of the Board of the Manchester Ship Canal Company from 1887 to 1894 and its largest investor.  He sold land to the company on which the Manchester Docks were built.  A century earlier, his relation Francis Egerton, 3rd Duke of Bridgewater pioneered an earlier phase of canal building in England, including the Bridgewater Canal.

Egerton commissioned the painting. It shows the site where construction of the canal began in 1887.  In the foreground are steam powered excavators, digging out a wide trench of the first part of the canal.  The location was formerly a wooded beauty spot, known as the "Richmond of the Mersey", beside a broad curve of the River Mersey.  The large mound in the background, known as "Mount Manisty", is a heap of spoil from the excavations, named after the agent responsible for constructing this stretch of the canal

The Tatton park collection also has a small initial sketch and a half-size modello, both bought by Maurice Egerton, 4th Baron Egerton, at the estate sale of Leader's widow at Christie's in 1927.  They were all bequeathed to the National Trust by the 4th Baron Egerton, along with the park, the house, and its contents.

Oldham version 
A second slightly smaller version of the painting, Manchester Ship Canal: The Making of Eastham Dock, is in Oldham Gallery.  It measures .  It was a gift to the gallery in 1927 by Miss Nany Platt.  Her father Samuel Radcliffe Platt (son of the MP John Platt and head of the textile company Platt Brothers ) was also a director of the Manchester Ship Canal Company from 1885 to 1891.  Samuel Platt carried the company's directors on his yacht, Norseman, on an inaugural voyage along the canal on 1 January 1894.

References
 Manchester Ship Canal: The Making of Eastham Dock, Benjamin Williams Leader, Gallery Oldham, Art UK
 The Excavation of the Manchester Ship Canal (Eastham Cutting with Mount Manisty in the Distance), National Trust, Tatton Park, Art UK
 Modello, National Trust, Tatton Park, Art UK
 Sketch, National Trust, Tatton Park, Art UK
 The Paintings, Tatton Park
 The Excavation of the Manchester Ship Canal: Eastham Cutting with Mount Manisty in the distance, National Trust Collections
 Manchester Ship Canal: The Making of Eastham Dock., The Victorian Web

Landscape paintings
English paintings
1891 paintings
Greater Manchester
canals