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!
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.
The deepest point in the Atlantic Ocean can be found about 100 miles north of Puerto Rico, in a trench where two tectonic plates meet. This post discusses the Puerto Rico Trench's unique geology and efforts to map it.
