Take a walking trip into a working copper mill in Canada's Yukon Territory. Today I Discovered How to Mill Copper is one in a series of eBooks by WestView Learning highlighting natural things in our world through engaging photos, videos, and custom voice recordings.The Minto Copper Mine is located north of Whitehorse, Yukon at Minto Landing. Through pictures and video clips, students experience visiting an active underground mine.All books within this series feature highlighted text synchronized to the audio file so that early tracking of text is modeled to support young readers.