What has the author Tony Waltham written?

Answer 1

Tony Waltham has written:

'Caves' -- subject(s): Caves

'Sinkholes and subsidence' -- subject(s): Sinkholes, Subsidences (Earth movements), Engineering geology, Earth movements and building

'Yorkshire Dales' -- subject(s): Pictorial works, Geology, Landscape, Guidebooks, Landscapes

'The limestones and caves of northwest England' -- subject(s): Caves, Karst

'The world of caves' -- subject(s): Caves

Answer 2

Tony Waltham has written numerous books focusing on geology, especially related to caves, karst landscapes, and natural disasters. Some of his notable works include "The Geology of Caves" and "Sinkholes and Subsidence."