Caption: Despite regular maintenance, buildings continue to age and practices continue to be refined, necessitating new treatment recommendations and preservation actions. Image: The North Dependency south elevation. Aspects of the structure are colored according to whether they are from the period of significance, post period of significance and appropriate, or post period of significance and inappropriate.

"Despite regular maintenance, buildings continue to age and practices continue to be refined, necessitating new treatment recommendations and preservation actions." Image is the North Dependency south elevation from the 2009 HSR.

These images were prepared as part of a series focusing on cultural landscape reports and historic structure reports, highlighting examples and illustrating how the reports relate to preservation history in the National Park System.

• Keywords: historic structure; HSR