Below you can find the In the 1800s w.c. stewart advocated this type of fly casting heading toward the river's source Jeopardy Words Answer. The answer to In the 1800s w.c. stewart advocated this type of fly casting heading toward the river's source has 8 letters. This clue belongs to the All grown up category and is part of Jeopardy Word Level 1610. If you scroll near the bottom you will find other clues and answers part of level 1610