Summary and Info
'Hurray for Mackenzie and Guilford for at last we have a pictorial guide to the rock-forming minerals! ...such feasts of colour in mineralogy books are rare ...an admirable guide' New Scientist
More About the Author
William Lyon Mackenzie King (OM CMG PC; December 17, 1874 – July 22, 1950) was the dominant Canadian political leader from the 1920s through the 1940s.