Patent ID: 7487040

Claim:
A method for assigning local page numbers to a geographic region within a geographic referencing system comprising: defining a universal page number array comprising universal array elements; overlaying the universal page number array on the geographic region; assigning a universal page number to each universal array element; selecting a local defining area; determining an alignment point of the local defining area; defining a local page block array of universal elements, wherein the local page block array comprises local page block array elements; assigning a local keystone page number to the universal array element in which the alignment point is located,; locating the keystone page within the local page block array; aligning the keystone page within the local page block array on the universal array element in which the alignment point is located; assigning a local page number to each local page block array element relative to the local keystone page; and creating a map publication of the local defining area comprising local page numbers associated with the geographic referencing system.