text: [{"text_idx": "#000003", "text": "Kentucky-Illinois Golconda quadrangle : topography"}, {"text_idx": "#000004", "text": "Illinois-Indiana, Birds quadrangle : topography"}, {"text_idx": "#000005", "text": "Illinois, Equality quadrangle : topography"}, {"text_idx": "#000007", "text": "Indiana-Illinois, Vincennes quadrangle : topography"}, {"text_idx": "#000011", "text": "Estimated file size: 1.05 GB"}]