STDL meaning in Academic & Science ?

The Schaumburg Township District Library (STDL), located in Schaumburg, Illinois, is the second largest public library in Illinois. It serves the Schaumburg Township area, covering sections of Schaumburg, Hoffman Estates, Hanover Park, Roselle, and Elk Grove Village. Both Hoffman Estates and Hanover Park have branch libraries located in the villages. Annual circulation of materials totals approximately two million items, while nearly one million people visit the library each year.

The 166,000-square-foot (15,400 m2) central library provides patrons the use of more than 180 computers and access to more than 600,000 items, including books, DVDs, CDs, computer software, and more. Special features include a glass sculpture by internationally renowned artist Dale Chihuly, as well as many other works by famous artists, a fireplace, an original illustration gallery, and a café. The Youth Services Department has a unique Enchanted Forest area displaying well known children's book characters and offering a kid-friendly atmosphere for reading or game playing.