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ST. LOUIS (KTVI) – Top St. Louis and Missouri leaders plan to match St. Clair County’s offer of no cost land in order to keep the National Geospatial-Intelligence Agency (NGA) in the City of St. Louis.

St. Louis Mayor Francis Slay, U.S. Senator Roy Blunt, Rep. Lacy Clay, and Governor Nixon were joined by other city officials for Monday’s announcement at city hall. That announcement comes days after NGA Director Robert Cardillo met with Mayor Slay, as well as Illinois leaders.

Illinois officials want the NGA to move to undeveloped farmland in St. Clair County near Scott Air Force Base. The Illinois contingent said Friday after their meeting with the NGA head that, in addition to offering free land, they were also offering $115 million in infrastructure improvements around the proposed St. Clair County site.

Meanwhile, St. Louis is proposing a 99-acre site in north city at the corner of north Jefferson and Cass avenues.

The current western NGA headquarters has been in south St. Louis for many years.

The federal spy agency is planning to build a new $1.75 billion facility and move its 3,100 hundred workers to it.

The NGA is expected to make its decision April 1. The decision will have a major economic impact on whichever area gets the huge project.