PATTERSON, T. Looking Closer: A Guide to Making Bird’s-eye Views of National Park Service Cultural and Historical Sites. Cartographic Perspectives, [S. l.], n. 52, p. 59–75, 2005. DOI: 10.14714/CP52.379. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp52-patterson. Acesso em: 24 apr. 2024.