Each minute can be divided into 60 seconds. The National Geographical Society and the Central Intelligence Agency are the major sources of general area maps owned by this library. The arrangement is by continent with a separate drawer for oceanic and island maps. Each drawer is labeled with the contents. Posters of moon landings, national parks, commemorations The posters that come to the library from the government document depository system provide a luxurious opportunity for serendipity.
Atlases are maps bound together as books.
The largest of these are on top of the map cabinets and on atlas cases near the map cabinets. The most detailed geographic atlas is the several volume Times Atlas of the World . A copy of this atlas is also at the Reference Desk. These maps are terrific - I wish I could paper my room with them. The librarian at the reference desk can direct you to the location.