Photograph of the head of the ravine leading into the Macpherson Lake showing the Waterfield bund and sluice. The image also shows the land that has been, and has not been, reclaimed by means of the bund. Part of the survey of India Office, Calcutta, 1902.

Notes for 5 lectures on 'The Origin of the Scenery of the British Isles' given to the Royal Institution in 1884, along with printed abstracts. Sir Archibald Geikie focused on geological formations around the British Isles, with comparisons from European and North American locations, looking at the materials of which they are composed and the processes which went into their creation.

Photogravure of Macpherson Lake in Allahabad which was created from a reclaimed ravine with an extreme width. Part of the Survey India Office, Calcutta, 1902. Slide developed by Flatters, Milborne and McKechnie Ltd, Manchester.

Photograph of a palm kloof, a deep glen or ravine filled with palm trees, at Victoria Falls in Zimbabwe in the early 20th century.

Photograph of ravine land six years after it was reclaimed, gatha-bandied and planted with trees. Part of the Survey India Office, Calcutta, 1902.

Photograph of ravine land 10 years after it had been reclaimed for cultivation purposes. Part of the Survey of the India Office, Calcutta in 1902.

Photograph of the ravine of Infiernillo and train bridge of the Interoceanic railroad in Mexico in the early 20th century.

Photograph of ravine land reclaimed by the Waterfield bund, growing a rabi crop immediately after reclamation. Part of the Survey of India Office, Calcutta, 1902.

Photograph of unreclaimed ravine land below the Waterfield bund showing a river and trees. Part of the Survey of India Office, Calcutta, 1902.