ArchitectMerel S. SagerAmerican architect, 1899–1982Photograph of one of their buildings · Ian Poellet · CC BY-SA 4.0 · Wikimedia Commons4 buildingsUnited StatesFurther readingWikipedia article↗BuildingsHaleakalā Visitor CenterMaui County, United StatesSteel Visitor CenterKlamath County, United StatesWatchman Lookout StationKlamath County, United States