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Hear from Jim Richards as recounts his travels and how he made, lost and made his fortune through gold mining.
Jim Richards has done it ...
Australia s gemstones and minerals are a treasure chest of world renown. This guide Gemstones and Minerals of Australia describes Australia s common minerals and ...
Discover all that glitters with Jewel
Prepare to be dazzled by this shining and sumptuous visual guide to the world's greatest treasures.
Feast your ...
By developing the scale that bears his name, Charles Richter not only invented the concept of magnitude as a measure of earthquake size, he turned ...
Earth has been witness to mammoths and dinosaurs, global ice ages, continents colliding or splitting apart, and comets and asteroids crashing catastrophically to the surface ...