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Posted by: Meagan Snow
How have national and global populations been mapped over time? This blog post uses collection items from the Geography & Map Division at the Library of Congress to explore changing methods for mapping populations, from census-based thematic maps to modern population raster datasets.
Posted in: Big Data and Visualization, Geographic Information Science
Posted by: Meagan Snow
The Geography and Map Division has three geospatial news items to an announce: an upcoming virtual orientation on Geospatial Resources, a new GIS and Geospatial Resources Research Guide, and a new digital collection featuring Library of Congress Geospatial Applications.
Posted in: Events, Geographic Information Science, Geography and Map Division, Reference Guides
Posted by: Meagan Snow
High above the coastal town of Lynn, Massachusetts sits High Rock. Today, High Rock is a city park, but its history ties back to the Hutchinson Family Singers and the pre-Civil War abolitionist movement in the United States.
Posted in: 19th century cartography, American History
Posted by: Meagan Snow
Follow General William Tecumseh Sherman's march across Georgia during the American Civil War, illustrated by Library of Congress maps and images.
Posted in: 19th century cartography, American History, Military History
Posted by: Meagan Snow
This blog posts provides an introduction to some early maps produced from images captured by ERTS-1 (later known as Landsat I), the world's first earth-observing satellite.
Posted in: 20th century cartography, Big Data and Visualization, Geographic Information Science
Posted by: Meagan Snow
Many have debated whether the Amazon or Nile is the world's longest river. This blog post explores a time period in American history in which there was another contender: the Missouri River.
Posted in: 19th century cartography, American History
Posted by: Meagan Snow
Discussion of the Battle of Fredericksburg, showcasing maps of the battle held in the Geography & Map Division of the Library of Congress.
Posted in: 19th century cartography, American History