Their crushing house burned down in a forest fire in 1910 but its concrete footings remain .
Three years later the North Shore Abrasives Company set up mining operations on Corundum Point , but abandoned the site in 1908 when their product was found to be inadequate .
North Shore Abrasives Company 's crushing house burned down in a forest fire in 1910 but its concrete footings remain .
Three years later the North Shore Abrasives Company set up mining operations on Corundum Point , but abandoned the site in 1908 when their product was found to be inadequate .