 Complete the following phrase:  After the Seven Years War ended in 1763, coal mining at Grand Nyjagen again stopped entirely. A land grant which included the cliffs was given to Joseph Frederick Wallet Des Barres in 1764, but Des Barres proved to be an absentee landlord. Though Des Barres became an important figure elsewhere in Nova Scotia, his lack of interest in developing Grand Nyjagen led to the coal there being forgotten for six decades. Though most Acadians were deported during the 