U.S. Geological Survey Maps
As a depository for federal documents, the Map Collection receives USGS
topographic maps covering the entire United States. The most familiar
are the 7.5-minute, 1:24,000 scale maps. These maps are revised periodically
and the Collection retains earlier issues.
The Collection also contains 15-minute, 1:62,500 scale maps. This was
the scale at which much of the country was mapped before the 1:24,000
scale became standard during the 1950's. Alaska is still being mapped
at this scale.
In addition, much of the U.S. has been mapped by the USGS at scales of
1:50,000, 1:100,000, and 1:250,000. Maps and charts covering the United
States are also available at scales of 1:500,000 and 1:1,000,000.
International Topographic Maps
The Map Collection contains a large number of map series of foreign countries
at various scales. We are currently evaluating the international topo
map holdings and will post an updated guide to the collection soon. If
you need immediate assistance with determining if we have topo series
maps for your area of interest, please feel free to contact
the Map Collection staff.
The Map Collection staff are currently in the process of creating digital
versions of the index maps for many of our international series maps available
for use in Google Earth. These indices
include hyperlinks to high resolution scanned images of individual series
maps.
Nautical Charts
The Map Collection holds many historical nautical charts and coastline
maps. A list of those maps which are currently online can be found below.
The Library also has a recent (current through 1999) set of NOAA nautical
charts covering the U.S. coastline and waterways. These charts are housed
in the Mudd Library and can be retrieved through the Map Collection.
Atlases
The 3,000+ volumes in the atlas collection include world, regional, national,
state, and urban atlases, as well as a large number of historical and
other thematic atlases.
Most pre-19th century atlases are housed in the Beinecke Library, although
the Map Collection has a number of reproductions and facsimiles of early
atlases.
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