1. One or more computer readable media storing computer executable instructions for performing a method for electronically tracking a historical path, said method comprising: (a) establishing a coverage area; (b) dividing the coverage area into a plurality of regions; (c) assigning each region to one of a plurality of teams, wherein each team is associated with a tracking device, wherein each region is assigned only once; (d) receiving electronic transmissions from each tracking device as each team traverses its assigned region, wherein each electronic transmission includes a location of the tracking device from which it is received; and (e) updating on a geographic map displayed on a computer display device a historical path associated with each tracking device based on the monitored locations in step (d).