Learn about the development of the oscillating scan mirror (a key component of Virginia Norwood's multi-spectral scanner), which made Landsat I a success, changing the science of earth observation forever. The development of the oscillating scan mirror is documented in the "Virginia Norwood Papers," a new collection in the Geography & Map Division of the Library of Congress.
Learn about the early history of the Women's Bureau, including the maps they produced to make the case for establishing standards for women in the workplace.
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.
When Prohibition became law across the United States in 1920, legitimate businesses were no longer allowed to serve alcohol, paving the way for illegal speakeasies and related underground businesses. In Chicago, this meant that criminals like Al Capone and Johnny Torrio fought for control of illegal alcohol distribution within the city, sparking an infamous decade …
In the early 20th century, most of America’s rural roads were constructed of gravel or dirt, causing slow travel and muddy roads. As new modes of transportation blossomed in cities – cars, bicycles, trolleys, and paved streets – a political movement called the Good Roads Movement aimed to connect rural areas with local cities via …
Let’s journey back a hundred years in time to the downtown streets of Seattle, Washington. On a clear day, you can see the Olympic Mountains from the fish markets along Railroad Avenue. Eddie Carlson, who will one day bring the 1962 World’s Fair – and the Space Needle – to Seattle, is now just a …
