Every year I dissect the Idaho Fish and Game Regulations and Harvest Reports to increase my chances of finding that elusive mature Idaho Mulley. The map above shows all of Idaho’s Game Management Units (GMU). The Idaho Fish and Game has a majority of the information available on their website for downloading. I took the opportunity to import the Idaho Fish and Game data into a GIS environment and applied a weighted analysis to see what results I would get in determining a unit that has the potential to produce a good mature buck