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:
Old Powder House Somerville MA HABS MA pu. Old Powder House Broadway College Avenue Somerville Massachusetts USA Built by John Mallet as windmill used as powder house from This image is part of the Historic American Building Survey HABS created by the Library of Congress and hence is in the public domain Survey number HABS MA