• Looking up at the Gateway Arch


    National Expansion Memorial Missouri

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  • I-44 Ramp at Walnut St. to Close This Weekend

    The Missouri Department of Transportation will close the ramp from eastbound I-44 to Walnut this weekend. Crews will close the ramp (Exit 291B) into downtown at 9 a.m. Friday, July 25 so crews can remove the remainder of the old ramp from the Poplar St. More »

Library Procedures

Library hours are 8:00 a.m. to 4:30 p.m., Monday through Friday. The library is closed on federal holidays. Researchers are encouraged to contact the library in advance to schedule their visits whenever possible.

Public researchers must use library materials within the reading room. Materials do not circulate.

Researchers are required to sign in and out on the Library Guest Register each time they enter or leave the library.

Coats, hats, briefcases, umbrellas, backpacks, and other personal items not essential for research must be left behind the librarian's desk.

No eating, drinking, or tobacco is allowed in the reading room. No food or drink items may be brought into the library.

Access to archival and photographic materials is allowed only through the assistance of authorized staff.

Only pencils may be used when handling rare books, reference materials, photographs, and archival materials.

Photocopies may be made upon request only if the staff determines that the photocopying process will not damage or endanger the material to be copied. A nominal fee of 15 cents per copy is charged and must be paid in advance. The researcher requesting the copies assumes all responsibility for complying with copyright law.

There are no public access computers in the library, but researchers may use their own battery-powered laptop computers, provided that they do so without disturbing others in the library. The use of personal scanners is not permitted. Scanning and digital image services are available.

Did You Know?

Black dog

Meriwether Lewis took his Newfoundland dog Seaman on the Lewis and Clark expedition? Seaman made the entire trip with the Corps and is credited with waking the members when a bison entered the camp and almost trampled them. Click here to learn more about Lewis and Clark. More...