NHL Nomination

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National Historic Landmarks Nomination

After determining the eligibility of your property for Landmark designation and receiving approval on your letter of inquiry, you may enter the next stages of the NHL nomination process. Follow the links to the right of this page to learn more about these stages.

entrance to Gaithersburg Latitude Observatory
Gaithersburg Latitude Observatory, MD

NPS Photo / Kathryn Smith

Last updated: August 29, 2018