The Nineteenth Glossop Lecture in Case Study 2 discusses landslides of the Isle of Portland known as the East Weare. The engineering project was a proposal to build underground gas storage facilities.

The paper makes the point ‘that science is not really about proving a truth but about proving a falsehood' (pp. 167–168). Here the ‘falsehood’ is regarded as a ‘tentative’ suggestion made by Brunsden (1996a, b) and Brunsden et al. (1996) that some of the landslide features on the island might be explained by a mechanism of clay extrusion and lateral spreading. The author states that...

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