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In a few months, the cost will go up to see Sue the T-Rex up close.

Admission fees for the Field Museum will increase in January for Chicagoans and tourists to help offset museum maintenance and personnel costs, upgrade exhibits and continue to provide educational programs for students.

Chicagoans will have to fork over $16 for adults, $9 for children ages 3 to 11 and $11 for students and seniors. Even with the ticket increase, Chicagoans get a $6 discount compared to entry prices for out-of-towners.

Non-residents will get charged $22 for adults, $15 for children ages 3-11 and $17 for seniors or students.

Children under 3 would still get in for free.

Admission fees went up for Chicagoans in 2010 and for non-residents in 2014.

The Chicago Park District board approved the fee increases on Wednesday for the museum because the museum sits on park property.

Also at Wednesday’s meeting, the park district board, which is appointed by Mayor Emanuel, gave the OK to enter into a lease for 99 years for a price of $10 with the Lucas Museum of Narrative Art for seven acres of park property along the lakefront and near Soldier Field. Emanuel supports the museum, but the Friends of the Parks is fighting it in federal court. The Lucas Museum project will go before the Chicago Plan Commission on Thursday.