Image: Thomas Viaduct LOC 082103pu

Description: Baltimore & Ohio Railroad, Thomas Viaduct, Spanning Patapsco River, Elkridge, Howard County, MD Closer in aerial view looking southeast. Photo taken in 1977.
Title: Thomas Viaduct LOC 082103pu
Credit: This image is available from the United States Library of Congress's Prints and Photographs division under the digital ID hhh.md0802. This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing for more information.
Author: Jack Boucher
Permission: Public domainPublic domainfalsefalse This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information. Creator: U.S. Department of the Interior, National Park Service, Historic American Engineering Record. Survey number HAER MD-3-4 Source: U.S. Library of Congress, Prints and Photographs Division, "Built in America" Collection. Copyright: "The original measured drawings and most of the photographs and data pages in HABS/HAER/HALS were created for the U.S. Government and are considered to be in the public domain."
Usage Terms: Public domain
License: Public domain
Attribution Required?: No