Copan Album: Volume 3, Page 18; Written on page: "Mound 21, view of terraces and flight of steps to top / of mound. Also ruined structure and steps inside of room. / View from top of Md. 20, looking N."
Copan Album: Volume 3, Page 18; Written on page: "Mound 21, view of terraces and flight of steps to top / of mound. Also ruined structure and steps inside of room. / View from top of Md. 20, looking N."
