the collection


Georeferencer: Help Add Location to Maps

Welcome to the David Rumsey Map Collection Database and Blog. The Map Database has many viewers and the Blog has numerous categories.

The historical map collection has over 64,000 maps and images online. The collection includes rare 16th through 21st century maps of AmericaNorth AmericaSouth AmericaEurope, Asia, Africa, Pacific and the World.

Popular collection categories are celestial, antique atlas, globe, school geography, maritime chart, state, county, city, pocket, wall & case, children's, and manuscript maps. Search examples: Pictorial maps, United States maps, Geology maps, California map, Afghanistan map, America map, New York City map, Chicago map, and U.S. Civil War maps. Browse  map categories: What, Where, Who, When. The collection is used to study history, art, genealogy, explorations, and family history. Learn more

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View Maps Added after Additions of April 4, 2015

featured maps


blog highlights


featured app - georeferencer

Help Us Add Locations for Our Maps

Georeferencer is a new application added to our online library. It allows you to overlay historic maps on modern maps or other historic maps. The overlaid maps reveal changes over time and enable map analysis and discovery. You can choose your own maps to georeference by Searching LUNA or help us georeference the entire online map library using our Random Map link to open maps in our First Pilot Project. The video at the right explains georeferencing. The images below of Yosemite Valley 1883 show the methods used. Users who georeference the most maps will be recognized on our site. The First Pilot Project includes over 10,000  maps of major cities and regions. Recently Georeferenced maps can be viewed by image or by location.

 Learn more

featured app - maprank search

The new MapRank search tool enables geographical searching of the collection by map location and coverage, in a Google Map window. Pan and zoom the Google Map to the area of the world you want maps of, and the results will automatically appear as a scrollable list of maps with thumbnail images in the right side window. The maps in the right side list are ranked by coverage, with the maps that have coverage closest to your search window listed at the top. Mousing over any map in the list will show the map's coverage as a light red rectangle on top of the Google Map. Clicking on a map in the list will open it in the Luna Browser. You can filter your results with the When timeline, the What or Who keyword text window, and the Map scale windows, as well as search by place name in the Find a place window.  Learn more

featured application - ticker

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