Plan of the Southern Outfall Works at Crossness, London, 1930. See reference below for other plans and maps from the London County Council.

Source: Sir George W. Humphreys, Main Drainage of London, (London: London County Council, November, 1930), Plan 5. Courtesy of James Joyce, P.E., Technical Director, Odor and Corrosion Technology Consultants, Inc., Houston, Texas.

Plan of the Abbey Mills Pumping Station, London, 1930.

Source: Sir George W. Humphreys, Main Drainage of London, (London: London County Council, November, 1930), Plan 6. Courtesy of James Joyce, P.E., Technical Director, Odor and Corrosion Technology Consultants, Inc., Houston, Texas.

Abbey Mills Pumping Station, main engine house, London, 1865-68.

Source: Sir George W. Humphreys, Main Drainage of London, (London: London County Council, November, 1930), p. 49. Courtesy of James Joyce, P.E., Technical Director, Odor and Corrosion Technology Consultants, Inc., Houston, Texas.

Hammersmith Storm Water Pumping Station, gas engines and centrifugal pumps, London, 1922-24.

Source: Sir George W. Humphreys, Main Drainage of London, (London: London County Council, November, 1930), p. 49. Courtesy of James Joyce, P.E., Technical Director, Odor and Corrosion Technology Consultants, Inc., Houston, Texas.

Northern outfall sewer in course of construction, London, 1900-1907.

Source: Sir George W. Humphreys, Main Drainage of London, (London: London County Council, November, 1930), p. 50. Courtesy of James Joyce, P.E., Technical Director, Odor and Corrosion Technology Consultants, Inc., Houston, Texas.

Northern outfall sewer in course of construction showing cast-iron sewers over Abbey Creek and Channelsea River, London, 1902-1906.

Source: Sir George W. Humphreys, Main Drainage of London, (London: London County Council, November, 1930), p. 50. Courtesy of James Joyce, P.E., Technical Director, Odor and Corrosion Technology Consultants, Inc., Houston, Texas.

Southern High-Level sewer, Crossness to Catford, in course of construction, London, 1904-1906.

Source: Sir George W. Humphreys, Main Drainage of London, (London: London County Council, November, 1930), p. 51. Courtesy of James Joyce, P.E., Technical Director, Odor and Corrosion Technology Consultants, Inc., Houston, Texas.

Sludge vessel, England, 1926.

Source: Sir George W. Humphreys, Main Drainage of London, (London: London County Council, November, 1930), p. 51. Courtesy of James Joyce, P.E., Technical Director, Odor and Corrosion Technology Consultants, Inc., Houston, Texas.

Weir channel under Hammersmith Road, London, 1905-1908.

Source: Sir George W. Humphreys, Main Drainage of London, (London: London County Council, November, 1930), p. 52. Courtesy of James Joyce, P.E., Technical Director, Odor and Corrosion Technology Consultants, Inc., Houston, Texas.

Weir channel under Hammersmith Road, London, 1905-1908, showing brick construction.

Source: Sir George W. Humphreys, Main Drainage of London, (London: London County Council, November, 1930), p. 52. Courtesy of James Joyce, P.E., Technical Director, Odor and Corrosion Technology Consultants, Inc., Houston, Texas.

Sewer tunnelling in compressed air, London, 1909-1912.

Source: Sir George W. Humphreys, Main Drainage of London, (London: London County Council, November, 1930), p. 53. Courtesy of James Joyce, P.E., Technical Director, Odor and Corrosion Technology Consultants, Inc., Houston, Texas.

Penstock on outfall sewer No. 1, Deptford Pumping Station, London, 1860-1862.

Source: Sir George W. Humphreys, Main Drainage of London, (London: London County Council, November, 1930), p. 53. Courtesy of James Joyce, P.E., Technical Director, Odor and Corrosion Technology Consultants, Inc., Houston, Texas.

Wandsworth Aqueduct, Southern High Level Sewer, London, 1882-1885.

Source: Sir George W. Humphreys, Main Drainage of London, (London: London County Council, November, 1930), p. 54. Courtesy of James Joyce, P.E., Technical Director, Odor and Corrosion Technology Consultants, Inc., Houston, Texas.

Overhead sludge tanks, Northern Outfall Works, Beckton, 1894-1895.

Source: Sir George W. Humphreys, Main Drainage of London, (London: London County Council, November, 1930), p. 54. Courtesy of James Joyce, P.E., Technical Director, Odor and Corrosion Technology Consultants, Inc., Houston, Texas.

Map of sewerage works in London, 1930.

Source: Sir George W. Humphreys, Main Drainage of London, (London: London County Council, November, 1930), Plan 2. Courtesy of James Joyce, P.E., Technical Director, Odor and Corrosion Technology Consultants, Inc., Houston, Texas.

Map showing low-lying land within the administrative County of London, 1930.

Source: Sir George W. Humphreys, Main Drainage of London, (London: London County Council, November, 1930), Plan 3. Courtesy of James Joyce, P.E., Technical Director, Odor and Corrosion Technology Consultants, Inc., Houston, Texas.