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MASCOUTAH, Ill. (AP) _ A Southern Illinois airport is getting a nearly $1 million upgrade.

The Belleville News-Democrat reports (http://bit.ly/1MPFTjX ) officials in St. Clair County have hired an engineering company to design improvements to MidAmerica St. Louis Airport in Mascoutah.

The project will cost about $835,000. A Federal Aviation Administration grant will cover up to 90 percent of that amount. The county will provide 10 percent.

The upgrade will include a new main entry door, modernization of the public address system, new lighting and safety improvements to the passenger loading bridge.

The work could begin later this year, and the terminal will remain open during the four months the project is expected to take to complete.

The terminal opened in 1996.

About 76,000 passengers used the terminal last year.

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