MapMosaic composed of aerial photographs, Washington D.C. Photomap of central area. "Mosaic made expressly for use in Port Series no. 16." Oriented with north toward the upper left. LC copy annotated in ink: From Port Series no. 16--1926. LC...
- Contributor: United States. Army. Air Service. 3rd Photo Section - United States. Board of Engineers for Rivers and Harbors
- Date: 1922