The instant invention is a method of indexing and displaying interests in real property tracts comprising accepting input of real property descriptions, maintaining a database containing interests in real property descriptions, creating an array index representing interests in real property tracts where each index in the array index represents a tract of real property, indexing of the property descriptions in the database to the related indices in the array index, and controlling a visual display device to indicate conflicting and non-conflicting interests in real property tracts.