In the 1800s W.C. Stewart advocated this type of fly casting, heading toward the river's source
He described the practice of Macedonian anglers on the Astraeus 
River: ..... proponents of the wet fly in the early-to-mid 19th century was W.C. 
Stewart,... [DOC] [TLE] "The Spiders Patterns of Northern England - Fly Angler's OnLine [PAR] Jul 10, 2006 ...