21. It is a federal depository library . 22. The university is also the location of the state's Regional Federal Depository Library , and houses the state Arboretum. 23. The system is a Federal Depository Library, a State of Minnesota Depository Library and United Nations Depository Library. 24. The system is a Federal Depository Library, a State of Minnesota Depository Library and United Nations Depository Library . 25. Directories since the Federal Depository Libraries . 26. Depository libraries must maintain collections of at least 10, 000 books, not including the collection of government documents.27. As a selective depository, the Libraries receive forty-five percent of the federal publication series available to depository libraries . 28. The system is a Federal Depository Library , a State of Minnesota Depository Library and United Nations Depository Library. 29. The request was the only one depository libraries received to take information off the shelves over security concerns. 30. Since 1923, McCabe library has been a Federal Depository library for selected U . S . Government documents.
