text: [{"text_idx": "#000004", "text": "Conservation of natural resources 1 Topography 1"}, {"text_idx": "#000005", "text": "Odell quadrangle, Illinois : 15 minute series"}, {"text_idx": "#000007", "text": "Block diagram showing terrain of Lorraine and adjacent districts"}, {"text_idx": "#000009", "text": "Estimated file size: 848 MB"}]