How to download CMAP Genesis maps for your Lowrance by Dan Swanson

About the author
*DAN SWANSON* is a multi-species guide in Northern Colorado. He is an 
instructor and seminar speaker on fishing techniques with a specialty 
around the use of fishing electronics - sonar, GPS and making lake maps. 
Dan competes professionally in walleye tournaments in Colorado, Wyoming and 
throughout the Midwest. He is on the Pro-Staff for Ranger Boats, Evinrude, 
Lowrance, St. Croix Rods, Crowley Marine, Abu Garcia, Berkley and Costa Del 

Lake Granby Water Cycles Explained

It will be fun this year seeing Dike 3 recede back into the depths.  It rises like a beached submarine every four to six years only to dive back a couple of years later.  I started guiding about 20 years ago and I have seen it all.  High water, low water, and everything in-between.