Image: St Clair River Tunnel - Port Huron Michigan

Description: Postcard of the west end St. Clair River Tunnel in Port Huron, Michigan, United States. The east end is in Sarnia, Ontario, Canada. The tunnel was designated a Civil Engineering Landmark by both the Canadian and the American Societies of Civil Engineers (CSCE and ASCE) in 1991. The tunnel is a designated US National Historic Landmark, and is listed on the US National Register of Historic Places (NRHP). NRHP reference number 70000684
Title: St Clair River Tunnel - Port Huron Michigan
Credit: Scan from original.
Author: Unknown
Permission: This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1923. See this page for further explanation. This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details. This Canadian work is in the public domain in Canada because its copyright has expired due to one of the following: 1. it was subject to Crown copyright and was first published more than 50 years ago, or it was not subject to Crown copyright, and 2. it is a photograph that was created prior to January 1, 1949, or 3. the creator died more than 50 years ago. čeština | Deutsch | English | español | suomi | français | italiano | 日本語 | македонски | Nederlands | português | +/−
Usage Terms: Public domain
License: Public domain
Attribution Required?: No