The collection consists of 86 packages of strip negatives. Some packages contained multiple negatives bringing the total number of strip negatives to 97. The strip negatives contain between one and seven images, with 372 total images in the collection. All images were taken by Mary Mitchell and are of locations throughout D.C. including the U.S. Capitol building, Chinatown, Dupont Circle, National Mall, and Lafayette Square. It appears that this collection includes 85 or more images that were printed in Mary Mitchell’s book Washington: Portrait of the Capital (1972, Barre Publishers).