Why is it called the Grand Banks?

bank of america online 11 Bank of the Mountain 6 Bryant State Bank 7 Citizens Bank & Trust of Lebanon 13 Citizens State Bank - La Crosse 2 CLEAR MNT Bank 9 COMMERCE Bank 12 First & Farmers National Bank 6 FIRST DAKOTA National Association National Bank 5 First National Bank in Tremont 4 First National Bank of River Falls 2 First Security State Bank 6 First State Bank of Healy 5 Liberty Trust & Savings Bank 3 Midland Community Bank 8 National Bank of Adams County 2 North Valley Bank 7 PATHWARD National Association 23 PEGASUS Bank 14 Sooner State Bank 12