On July 1, 1957, an unprecedented period of global scientific collaboration known as the International Geophysical Year began. Artificial satellites were launched, planetary weather observations were made for the first time, the understanding of plate tectonics was established, and more. Learn how the Army Map Service played a critical role during the IGY, providing the calculations that launched the U.S. into the space race.
Florence Bascom broke barriers in the 19th century as a leading geologist of her time. This post discusses her life and career with the United States Geological Survey including the geologic maps she made which are in the Geography and Map Division collections.
The Geography and Map Division has thousands of topographic maps in its collections but some have a unique take on the rest of the category. This blog post highlights several maps and models that stand out as being different in form and shape from other topographic maps including a chocolate bar map, a pop up map, and a map made of compressed paper among others.
The Geography & Map Division recently digitized an important set of maps of Austria-Hungary. In this post, we explore these 19th- and early 20th-century maps and the layers of history and language that they contain.
Learn about the purpose and variety of terrestrial and celestial printed globe gores. Globe gores are strips of paper containing printed maps in the sizes and shapes needed for globe construction.
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.
Most American cities are encompassed by one or more counties and overlap with them in jurisdiction, but there are 41 unique cases known as independent cities, and 38 of them are in Virginia. Read more to learn why!
