Content description:
A three part aerial photo of Alameda, the Oakland [then San Antonio] Estuary, and the eastern sector of San Francisco Bay, by the 15th Photo Section, A.C. [Air Corps?]. The photo, taken from a great height, also shows the proposed, then-underwater sites of the Alameda Airport, the San Francisco Bay Airdrome [later the Oakland Airport] and the Army Base. The cultural features, i.e. acreage and names, are superinmposed on the map.