MIAMI (AP) — Thousands of rare maps, manuscripts and other artifacts are being donated to the University of Miami and Miami Dade College.

The Miami Herald reports (http://hrld.us/2j2mv4T ) that real estate magnate Jay Kislak and his foundation are donating the items, including a 1493 letter from Christopher Columbus.

Miami Dade College plans to create a permanent public gallery in the Freedom Tower for the collection of pre-Columbian and early American artifacts. The donation also will enhance University of Miami collections focused on South Florida history and Caribbean and Cuban cultures.

The artifacts also include a two-volume account of the 1804-1806 Lewis and Clark Expedition and a 1521 volume describing Cuba.

The estimated value of the donation is $30 million. Kislak also has donated thousands of historical artifacts to the Library of Congress.

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Information from: The Miami Herald, http://www.herald.com