The marine shells which are found in the bottom of some of the inland lakes of both Norway and Sweden show that the land which forms their bed was once covered by the sea.
"Due North or Glimpses of Scandinavia and Russia"
Maturin M. Ballou
He had reached as far as the Great lakes and intended to penetrate into Abyssinia along the Karamojo Mountains, which up to that time were unknown, and from there to proceed to the ocean coast.
"In Desert and Wilderness"
Henryk Sienkiewicz
Oh, I know all about the preservation of the species, but west of the Great lakes we've no room for any species that isn't tough and fit.
"The Greater Power"
Harold Bindloss W. Herbert Dunton