By: Bill Prater Note: These articles also appear on Fish Explorer Close the door, and move in close. Today we talk about a 21st Century way to explore the bottom of your favorite lake, pond or stream, using a free “Google Earth Pro” tool called “historical imagery.” Don’t let your eyes glaze over; this is harder to explain than it is to use. Most folks with a personal computer have used the application to see how their home looks from a few thousand feet in the air, or whether there’s a new truck parked outside an old girlfriend’s apartment. It’s an amazing, evolving tool that used to cost a couple hundred bucks; people use it to explore everything from vacation spots to Mayan ruins to the perfect spot for a new mall. But as a clever Fish Explorer, you can also use it to improve your knowledge of your secret fishing hole. And your buddy’s. (Note: this is a pretty non-technical way to study a lake bottom. To really get into this sort of thing, check out Dan S...