• Lake Falcon a freshwater lake located on the southeast Texas border with half of the lake in Mexico and half in Texas. The F137-02 SD card covers the the entire lake including many fishing spots in the Mexican side. This SD card is designed for boat fishermen having the Lowrance electronic fishing unit on board. • A Lowrance SD card, designed to plug into most Lowrance electronic fishing units and to download all the fishing waypoints of the, two-sided freshwater lake fishing map F137. The fishing waypoints will be permanently displayed on the Lowrance unit, once downloaded. • The F137-02 SD Card details all of Lake Falcon from the dam, north along the Rio Grande River, to the historic Texas border town of San Yganacio. Lake Falcon is one of the best black bass lakes in the United States and Mexico. Lake Falcon is located at the small town of Zapata, Texas. Many fishing tournaments are held every year in this large lake. • The downloaded fishing information on your Lowrance unit will display various waypoints as symbols for fishing locations, marinas , boat ramps, and other points of interest.