Dr. Jason HalfenĀ 
Guide and Teaching Pro
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Locating and analyzing structure with Humminbird Side Imaging
'Birds on the Ice!
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"If you want to learn about Side Imaging, you NEED this DVD. Best learning tool I've seen for all levels of anglers."
Larry Carr
"The Plotter Professor"
"Over the years, I've seen every video and countless fishing shows. This is one of the finest pieces of work I've seen."
Jerry R., Geneseo IL