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The need for highly reliable and accurate mobile GIS that improved upon the City of Yuma's Fire Grid analog hardcopy map book system has grown in the past few years. However, many traditional applications and approaches include high bandwidth impacts, high software and server costs, and personnel dedicated to support these implementations. This paper will present a focused outline of common needs and examples for the development of a low cost, high return on investment mobile GIS application. The highlight is the approach to developing a highly functional system that has low maintenance and operational cost. Utilizing the ArcGIS Publisher extension to ArcGIS and distributing access to the data through ArcReader provides an avenue to avoid high costs but retain a valuable application. This presentation would be beneficial to the beginning IT, public safety, or GIS professional who is investigating public safety and mobile mapping applications and to the advanced professional.