Below you can find the In 1673 marquette & joliet explored the mississippi river in these boats made of birchbark Jeopardy Words Answer. The answer to In 1673 marquette & joliet explored the mississippi river in these boats made of birchbark has 6 letters. This clue belongs to the Boats & boating category and is part of Jeopardy Word Level 530. If you scroll near the bottom you will find other clues and answers part of level 530