From Messrs. Cowperthwait & Company, Philadelphia.
"We have added Lake Glazier to our School Maps as the source of the Mississippi."
From E. A. Lawrence, University Publishing Company, New York:
"We think Lake Glazier is important enough to outrank Itasca as the source of the Mississippi."
From W. M. Bradley & Brother, Philadelphia:
"Lake Glazier appears on our large Atlas of the World, and on Mitchell's Atlas, as the true source of the Mississippi."