This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
GULF AND ARCO INSTALLATIONS NARA . Scope and content General notes Local identifier DA Environmental Protection Agency NARAAuthor Swanson Dick Photographer File GULFANDARCOINSTALLATIONSNARA tif tif File GULFANDARCOINSTALLATIONSNARA NARAcooperation PDUSGov in Philadelphia Aerial photographs of Philadelphia Schuylkill River