This addition added 79,000 square feet ( 7,300 m ) .
This addition increased the capacity of the library from 800 to 2,000 , bringing the total size of the library to 199,000 square feet ( 18,500 m ) .
This addition added 79,000 square feet ( 7,300 m ) and increased the capacity of the library from 800 to 2,000 , bringing the total size of the library to 199,000 square feet ( 18,500 m ) .