1. A computer based method for editing cartographic data, the method comprising: retrieving, in a computer system, cartographic source data from a first record set and displaying at least one feature of the source data in a display device; based on a user's selection of a feature in the display device, selecting, in the computer system, source data corresponding to the selected feature; based on the user's modification of the selected feature in the display device, creating cartographic edit data representing the user's modification of the feature; associating the cartographic edit data, representing the user modification of the feature, with the cartographic source data for the feature; and storing the associated cartographic edit data within a second record set.