A map from 1872 of Rhode Island, with map inserts of Providence, Newport, and Block Island. The map shows counties and county seats, principal cities, ports, and towns, railroads, terrain and coastal features, and rivers. Clock symbols...

A map from 1853 of Texas showing the capital at Austin, county lines at the time, principal cities and towns, railroads, mountains, rivers, and coastal features. The map shows the tribal lands in the western part of the state. Longitudes...

A map from 1912 of the United States Canal Zone in Panama. The map shows the location of the canal, the deepened approaches to the canal, and the locks. The map also shows mountain ranges, railroads, projected railroads, post offices,...

A map of the British Isles in 1902, showing Ireland, Scotland, England, and Wales. The map shows cities, towns, and ports, primary and secondary railways, canals, heads of navigation on major rivers, isotherms of averaged annual...

A map from 1888 of the United States showing state boundaries and state capitals, major cities and towns, mountain systems, lakes, rivers, and coastal features. Longitude from Greenwich is shown at the top of the map, and from Washington...

A map from 1890 of the United States showing physical features, and annual mean temperatures and rainfall. The map shows high mountains and lower ranges, watershed division boundaries, rivers, lakes, coastal features, and is color-coded...

A commercial map from 1872 of the United States showing the principal railroad and steamship routes in the region at the time. The map shows state boundaries and capitals, major cities and ports, submarine telegraph cables to Europe,...

A map of the original thirteen States in 1790 showing the distribution of the European-American population at the time and the general tribal lands of the Native Americans east of the Mississippi River. The map shows the State lines,...

A plan of the city of Washington from 1790. The lat/long figures on the map shows a longitude of 0 degrees 0 based on the Washington Prime Meridian passing through the Capitol. "This city was laid out by Peter Charles L'Enfant, who...

This project makes it interesting to learn about degree confluence, latitude, longitude, and the geography of the world in general. Volunteers can visit the nearest confluence; or you might want to take a mysterious trip to find one that...

This project makes it interesting to learn about degree confluence, latitude, longitude, and the geography of the world in general. Volunteers can visit the nearest confluence; or you might want to take a mysterious trip to find one that...

This project makes it interesting to learn about degree confluence, latitude, longitude, and the geography of the world in general. Volunteers can visit the nearest confluence; or you might want to take a mysterious trip to find one that...

This project makes it interesting to learn about degree confluence, latitude, longitude, and the geography of the world in general. Volunteers can visit the nearest confluence; or you might want to take a mysterious trip to find one that...

This project makes it interesting to learn about degree confluence, latitude, longitude, and the geography of the world in general. Volunteers can visit the nearest confluence; or you might want to take a mysterious trip to find one that...

This project makes it interesting to learn about degree confluence, latitude, longitude, and the geography of the world in general. Volunteers can visit the nearest confluence; or you might want to take a mysterious trip to find one that...

This project makes it interesting to learn about degree confluence, latitude, longitude, and the geography of the world in general. Volunteers can visit the nearest confluence; or you might want to take a mysterious trip to find one that...

This project makes it interesting to learn about degree confluence, latitude, longitude, and the geography of the world in general. Volunteers can visit the nearest confluence; or you might want to take a mysterious trip to find one that...

This project makes it interesting to learn about degree confluence, latitude, longitude, and the geography of the world in general. Volunteers can visit the nearest confluence; or you might want to take a mysterious trip to find one that...

This project makes it interesting to learn about degree confluence, latitude, longitude, and the geography of the world in general. Volunteers can visit the nearest confluence; or you might want to take a mysterious trip to find one that...

This project makes it interesting to learn about degree confluence, latitude, longitude, and the geography of the world in general. Volunteers can visit the nearest confluence; or you might want to take a mysterious trip to find one that...

This project makes it interesting to learn about degree confluence, latitude, longitude, and the geography of the world in general. Volunteers can visit the nearest confluence; or you might want to take a mysterious trip to find one that...

This project makes it interesting to learn about degree confluence, latitude, longitude, and the geography of the world in general. Volunteers can visit the nearest confluence; or you might want to take a mysterious trip to find one that...

This project makes it interesting to learn about degree confluence, latitude, longitude, and the geography of the world in general. Volunteers can visit the nearest confluence; or you might want to take a mysterious trip to find one that...

This project makes it interesting to learn about degree confluence, latitude, longitude, and the geography of the world in general. Volunteers can visit the nearest confluence; or you might want to take a mysterious trip to find one that...