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Category: 19th century cartography

Map of Washington DC in various colors indicating the grade of the streets.

Visualizing DC’s Municipal Infrastructure,1890 to 2022

Posted by: Meagan Snow

Maps can tell us all kinds of things about how others have viewed and shaped the world – from the borders of ancient empires to the layout of your neighborhood street grid. Today, spatial data commonly powers the maps and applications we use to access basic information about the places we inhabit: opening an app …

Visualizing Injustice: Early NAACP Cartographers and Racial Inequality in America

Posted by: John Hessler

No good result can come from any investigation which refuses to consider the facts. A conclusion that is based upon a presumption, instead of the best evidence, is unworthy of a moments consideration.                       –Ida B. Wells, 1901 The use of cartography to highlight economic and …

Map sheet that shows a portion of the Niger River with vegetation and towns marked along the banks.

A Trip Down the Niger River

Posted by: Amelia Raines

In 1887, a French lieutenant named Edmond Caron sailed a gunboat down the Niger River to gather information and expand French influence in the western Sahel. After setting out from the colonial capital in Saint-Louis, on the Atlantic coast of Senegal, he traveled inland to the Inner Niger Delta of modern central Mali, an area …

Circular world map with cherubs blowing wind towards it illuminated in gold.

Magnificent Maps From the World Digital Library

Posted by: Julie Stoner

Launched in 2009, the World Digital Library [WDL] was a project of the U.S. Library of Congress, with the support of UNESCO, and contributions from libraries, archives, museums, educational institutions, and international organizations around the world. The WDL sought to preserve and share some of the world’s most important cultural objects, increasing access to cultural …