File:Cliffs Shaft Obelisk.jpg : Soft.lk - A Premium Software Developers - Meet one of the most powerful and intuitive POS systems for retail in Sri Lanka

This is an image of a place or building that is listed on the National Register of Historic Places in the United States of America. Its reference number is 92000832.

Summary

DescriptionCliffs Shaft obelisk.jpg	English: Cliffs Shaft mine head frame, Ishpeming MI
Date	between circa 1919 and circa 1922 date QS:P,+1950-00-00T00:00:00Z/7,P1319,+1919-00-00T00:00:00Z/9,P1326,+1922-00-00T00:00:00Z/9,P1480,Q5727902
Source	Building Reinforced-Concrete Shaft Houses, in Proceedings of the Lake Superior Institute annual meeting, V22
Author	J. Ellzey Hayden and Lucien Eaton

Public domain	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, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.	United States
	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.