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<a href="https://lex-books.com/author/united-states-national-park-service-division-of-publications"><img src="https://lex-books.com/badges/read-on-lex.svg" alt="United States. National Park Service. Division of Publications on Lex" width="160" height="40"></a>[](https://lex-books.com/author/united-states-national-park-service-division-of-publications)[url=https://lex-books.com/author/united-states-national-park-service-division-of-publications][img]https://lex-books.com/badges/read-on-lex.svg[/img][/url]United States. National Park Service. Division of Publications on Lex: https://lex-books.com/author/united-states-national-park-service-division-of-publications