Flow and Chemical Characteristics of the St. Johns River at Jacksonville, Florida
The St. Johns River at Jacksonville, which is 21 miles upstream from theocean, is part of a tidal estuary that for practical purposes may be considered toend at Lake George, 106 miles upstream from the ocean. Occasionally, tidaleffects are noted 161 miles upstream.
Publisher - U.S. Geological Survey (USGS)
Subjects - St. Johns River