In the course of his work , he came across a large quarry near Lemont , Illinois and established a company to mine it .
Coming with his father to Lockport , Illinois work on the Illinois & Michigan Canal , Singer rose to become superintendent of repairs .
In the course of Singer 's work , Singer came across a large quarry near Lemont Illinois Illinois and established a company to mine it .
Coming with his father to Lockport , Illinois work on the Illinois & Michigan Canal , Singer rose to become superintendent of repairs .