This challenging cover publication is from the Sixth Republic Mining and Metallurgical Congress, Canada, 1957. The binding is in excellent health condition with only minor folding on the bottom of the spine. Inside, all the web pages are tidy without any tears or bends. Overall, a near-mint condition duplicate of this quantity. Asking $30. We will forward it within Canada with the extra price of shipping (ask for a delivery quote if you're interested).