Maps break down our inhibitions, stimulate our glands, stir our imagination, loose our tongues. The map speaks across the barrier of language; it is sometimes claimed as the language of geography.
CARL O. SAUERLet us look at the map, for maps, like faces, are the signature of history.
"The Education of a Geographer," 1956
The division's general collections, which number over 3.5 million map sheets, include both single-sheet maps and multi-sheet map series.
Single-sheet maps, which provide worldwide coverage at small and medium scales, are primarily general purpose and thematic maps of continents, countries, states, counties, and cities.
Multi-sheet map sets, which are usually prepared at large and medium scales, also provide worldwide coverage, normally at the country and state level.