1895 U.S. Atlas - District of Columbia

Scanned images of county and state maps, index of towns.

American Memory Panoramic Maps 1847-1929 - District of Columbia

From the Geography and Map Division, Library of Congress.

American Memory Railroad Maps 1828-1900 - District of Columbia

From the Geography and Map Division, Library of Congress.

American Shores - Maps of the Middle Atlantic Region to 1850

Maps on this site cover the early modern period ending in 1850, just as so-called internal improvements (canals, highways, and railroads) began to cross the young nation and change the landscape.

Ancestry.com - Search Maps, Atlases & Gazetteers

Ancestry.com has searchable indexes; database results and some digitized images are available with a fee-based subscription.

Atlas of Historical County Boundaries

From the Newberry Library, Chicago, Illinois. Includes for each state: Interactive Map; Index of County and Equivalents; Consolidated Chronology; Individual County Chronologies; Bibliography and Sources; Historical Commentary; Metadata - Summary Form; Metadata - Full FGDC Form; Download GIS Files; Download KMZ Files; Download PDF Files.

Geographic Names Information System (GNIS)

From the USGS. Provides cemetery location information, as well as other physical features within a county and state.

MapQuest: World Atlas: Washington D.C.

RootsWeb Town Search - TownCo

Enter the name of a U.S. town to learn the name of the county where that town is located.

Sanborn Fire Insurance Maps - Holdings at the University of Virginia Library

Virginia & Washington DC Maps on Microfilm.

Yahoo! Get Local...Washington, D.C.

Maps, yellow pages, white pages, newspapers and other local information.

Yale Peabody Museum: GNIS - District of Columbia

Search the USGS Geographic Names Database. You can limit the search to a specific county in this state and search for any of the following features: airport arch area arroyo bar basin bay beach bench bend bridge building canal cape cemetery channel church cliff crater crossing dam falls flat forest gap geyser glacier gut harbor hospital island isthmus lake lava levee locale mine oilfield other park pillar plain ppl range rapids reserve reservoir ridge school sea slope spring stream summit swamp tower trail tunnel valley well woods.