1 Table of Contents: “..., Distribution, and Age -- Some Principles in the Study of Planation Surfaces -- Planation Surfaces...”

2 Table of Contents: “...I The Fabric of Basement Terrains and its Controls on the Development of Landforms -- 1 Planation...”

3 Table of Contents: “... geomorphological perspective -- The climate of Ethiopia -- Ethiopian rivers -- Planation surfaces and long term...”

4 “..., the planation surfaces in the Ardennes and Oesling, and the famous caves of Han/Lesse and Remouchamps...”