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:
A view of the test drilling shaft and the shop at the Norris Dam site on Clinch River. NARA .tif Scope and content General notes Local identifier Tennessee Valley Authority NARAAuthor Hine Lewis Wickes Photographer File AviewofthetestdrillingshaftandtheshopattheNorrisDamsiteonClinchRiver NARA tif tif File AviewofthetestdrillingshaftandtheshopattheNorrisDamsiteonClinchRiver