Warning:
You are advised not to use Internet Explorer
when accessing this site. Supported browsers include
Google Chrome, Mozilla Firefox and Microsoft Edge.
Koch, J.D., M.C. Quist, and K.A. Hansen. 2009. Precision of hard structures used to estimate age of bowfin in the upper Mississippi River. North American Journal of Fisheries Management 29:506-511.
Abstract
www.usgs.gov says
This link will direct you to a non-government website that may have different privacy
policies from those of the U.S. Geological Survey.
