Map shows Pennsylvania, New Jersey, Maryland, and Delaware counties, railroads, and canals during the mid-nineteenth century. Insets: City of Baltimore and City of Philadelphia. Relief shown by hachures. Scale not given.

Map shows Pennsylvania, New Jersey, Maryland, and Delaware counties, railroads, and canals during the mid-nineteenth century. Insets: City of Baltimore and City of Philadelphia. Relief shown by hachures. Scale [ca. 1:2,600,000].

Map shows Pennsylvania, New Jersey, Maryland, and Delaware counties, railroads, and canals during the mid-nineteenth century. Insets: City of Baltimore and City of Philadelphia. Relief shown by hachures. Scale [ca. 1:2,600,000].

Map shows late eighteenth century roads, settlements, and some counties in southeast Pennsylvania, and parts of New Jersey, Delaware, and Maryland. Relief shown by hachures. Scale not given.

Map shows railroads, canals, counties, cities, and towns in New York, Pennsylvania, New Jersey, Delaware, and Maryland, and a major portion of Virginia and North Carolina. Relief shown by hachures. Scale [ca. 1:2,900,000].

Map shows railroads, canals, counties, cities, and towns in New York, Pennsylvania, New Jersey, Delaware, and Maryland, and a major portion of Virginia and North Carolina. Relief shown by hachures. Scale [ca. 1:2,900,000].

Map shows railroads, canals, counties, cities, and towns in New York, Pennsylvania, New Jersey, Delaware, and Maryland, and a major portion of Virginia and North Carolina. Relief shown by hachures. Scale [ca. 1:2,900,000].

Map shows railroads, cities, and towns for the states of New York, Pennsylvania, New Jersey, and Delaware. Includes area statistics by state. Relief shown by hachures. Scale [ca. 1:3,270,000].

Map of the travels of George Washington in the Middle Atlantic region of the United States between 1732 and 1799, with insets of New York and the lower Hudson Valley, Mount Vernon, the tidewater region of Virginia, Philadelphia, and Boston. The map includes towns, colonial highways, historic or notable sites, bodies of water, and other geological features, with relief shown in hachures. Scale [ca. 1:2,502,720] (39.5 miles to the inch).

Map shows counties, railroads, cities, towns, and notable physical features; also canals for Pennsylvania. Relief shown by hachures. Scale [ca. 1:1,236,000].

Map shows counties, railroads, cities, and towns. Relief shown by hachures. Scale [ca. 1:3,072,000] and [ca. 1:1,400,000].

Map shows counties, railroads, canals, cities, towns, and notable physical features. Relief shown by hachures. Scale [ca. 1:2,062,000] and [ca. 1:1,126,000].

Map shows railroads, cities, towns, and notable physical features. Relief shown by hachures. Scale [ca. 1:2,816,000] and [ca. 1:2,028,000].

Map shows boundaries, physical features, and major cities in New York, New Jersey, Pennsylvania, Delaware, Maryland, West Virginia, and Virginia. Relief shown by hachures. Scale [ca. 1:4,118,400].

Maps of three segments in the Camden-Delaware Valley area surveyed as part of a radiological survey, outlining "Radioactivity levels in hundreds of counts per second normalized to 500 ft above ground." Scale 1:250,000.

Map shows navigational channels, anchorage, and underwater hazards; roads, railroads, towns, and bridges. Includes legend, notes, compass roses, and tables for Delaware and Christina River channel depths. Relief shown by hachures. Depths shown by soundings (in feet), isoline, and tints. Scale [1:40,000].

Map showing biological resources (aquatic organisms, terrestrial organisms, land use, etc.) in the Wilmington region of the Atlantic coast area. Scale 1:250,000.