On The Relative Powers Of Glaciers And Floating Icebergs In Modifying The Surface Of The Earth is a scientific book written by Roderick I. Murchison in 1864. The book explores the geological effects of glaciers and icebergs on the Earth's surface. Murchison examines the different ways in which glaciers and icebergs shape the land, including their impact on erosion, deposition, and the formation of landforms such as valleys and fjords. The author also...