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WA Fantastic goldfields map created exclusively for the prospector. Well researched from historical records and extensive field expeditions this map includes alluvial workings, reef lines ...
A broad introductory treatment, this volume examines general Cartesian coordinates, the cross product, Einstein's special theory of relativity, bases in general coordinate systems, maxima ...
Ever wondered what lies out there in the Solar System beyond our own planet? This guide to observing the Sun, Moon and planets is the ...
