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:
LAB TECHNICIAN WILLIAM NEAL JR. CHECKS MONITOR INDEX PLACED BY THE MOBILE AIR POLLUTION LABORATORY IN THE PARKING... NARA .tif Scope and content General notes Local identifier DA Environmental Protection Agency NARAAuthor Aleksandrowicz Frank Frank John Photographer File LABTECHNICIANWILLIAMNEAL JR CHECKSMONITORINDEX PLACEDBYTHEMOBILEAIRPOLLUTIONLABORATORYINTHEPARKING