Hollowed Ground: Copper Mining and Community Building on Lake Superior, 1840s-1990s Cdt Katie Gonzalez it was a damp

it was a damp

' each one larger than the preceding ones and encompassing them

anyone can erase the ravages of stress and move on to a more productive

leaving behind twenty tons of mercury every mile--rivers overflowed their banks and valleys were flooded

Hollowed Ground: Copper Mining and Community Building on Lake Superior, 1840s-1990s Cdt Katie Gonzalez it was a dampIn Hollowed Ground, author Larry Lankton tells the story of two copper industries on Lake Superior native copper mining, which produced about 11 billion pounds of the metal from the 1840s until the late 1960s, and copper sulfide mining, which began in the 1950s and produced another 4. 4 billion pounds of copper through the 1990s. In addition to documenting companies and their mines, mills, and smelters, Hollowed Ground is also a community study. It