John Downie Falconer (1876–1947) was in his time known for his work on the geology of northern Nigeria and its tin deposits. Incidentally, however, he recognised that the landscape of that Protectorate is a palimpsest surface that includes substantial elements of what are today called etch plains and inselbergs as well as very old surfaces. His was the first account of etching in the context of landscapes (as opposed to minor forms such as corestone boulders).

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