How Much Lime Should I Apply Per Acre of Land? | Home .
This mine is an open pit mine producing 5,000 tonnes ore and 5,000 tonnes waste per day. Rock characteristics for both ore and waste are typical of those of granite or porphyritic material. Operating conditions, wage scales, and unit prices are typical for western U.S. mining operations. All costs listed are in 2012 US . The key design criteria .This old photo provides a good example of a mine, located far from the lakes, which was opened early because it had high quality limestone and thin overburden, reducing quarrying costs. However, because it was not near a Great Lake, transporting the low value, heavy stone to markets was too costly, and the mine soon closed.