{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn08431_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Big Spring, Texas | 1922 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"15"},{"label":"placed","value":"10"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 5, georef-snap 5"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1 (tier 4, 32.24898,-101.47707 +/-1515m); p4__1 (tier 3, 32.25150,-101.48871 +/-1018m); p4__2 (tier 1, 32.24958,-101.48744 +/-100m); p5 (tier 1, 32.25602,-101.48270 +/-512m); p6 (tier 1, 32.25927,-101.47622 +/-520m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000100/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Spring, Texas | 1922 | sanborn08431_006 p10","metadata":[{"label":"streets","value":"17"},{"label":"intersections","value":"44"}],"created":"2026-09-23T04:49:02Z","modified":"2026-09-23T04:49:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000100/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000100","type":"ImageService3","width":2179,"height":2572},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"134.8,126.3 2179.0,121.4 2179.0,2393.5 126.9,2410.4 134.8,126.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000100/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1285.0,1260.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.4735615,32.2491226]}},{"type":"Feature","properties":{"resourceCoords":[2037.0,2021.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.4702834,32.2481426]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000110/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Spring, Texas | 1922 | sanborn08431_006 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T04:49:02Z","modified":"2026-09-23T04:49:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000110/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000110","type":"ImageService3","width":2183,"height":2588},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"199.7,20.2 2183.0,0.0 2183.0,2588.0 181.8,2588.0 175.3,1213.8 199.7,20.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000110/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-101.4747768598118,32.25580874708405]}},{"type":"Feature","properties":{"resourceCoords":[2183.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-101.46842471863383,32.258419649671396]}},{"type":"Feature","properties":{"resourceCoords":[2183.0,2588.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-101.46479029477779,32.25200613181047]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2588.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-101.47114243595576,32.249395229223126]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000120/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Spring, Texas | 1922 | sanborn08431_006 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T04:49:02Z","modified":"2026-09-23T04:49:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000120/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000120","type":"ImageService3","width":2188,"height":2573},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,667.9 32.9,661.4 -0.0,430.7 1977.5,0.0 2188.0,0.0 2187.2,2573.0 -0.0,2573.0 -0.0,667.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000120/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-101.47560845552677,32.24604050768721]}},{"type":"Feature","properties":{"resourceCoords":[2188.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-101.46883657415876,32.247469418598385]}},{"type":"Feature","properties":{"resourceCoords":[2188.0,2573.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-101.46686378186466,32.24068647715032]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2573.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-101.47363566323267,32.23925756623915]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000130/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Spring, Texas | 1922 | sanborn08431_006 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T04:49:02Z","modified":"2026-09-23T04:49:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000130/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000130","type":"ImageService3","width":2181,"height":2573},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2230.6 206.4,2231.8 219.4,30.8 364.8,0.0 2181.0,0.0 2181.0,2573.0 -0.0,2573.0 -0.0,2230.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000130/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-101.46927595341162,32.2464772137661]}},{"type":"Feature","properties":{"resourceCoords":[2181.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-101.46247172621362,32.24794676835014]}},{"type":"Feature","properties":{"resourceCoords":[2181.0,2573.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-101.46043628701814,32.241109625774136]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2573.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-101.46724051421614,32.239640071190095]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Spring, Texas | 1922 | sanborn08431_006 p2","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"14"}],"created":"2026-09-23T04:49:02Z","modified":"2026-09-23T04:49:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000020","type":"ImageService3","width":2173,"height":2569},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"349.7,2413.0 332.8,167.1 -0.0,177.3 -0.0,0.0 2173.0,0.0 2173.0,144.8 1881.8,140.8 1887.2,2407.4 349.7,2413.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1115.0,1651.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.4768386,32.252416]}},{"type":"Feature","properties":{"resourceCoords":[1115.0,2414.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.4762969,32.2514587]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Spring, Texas | 1922 | sanborn08431_006 p3","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-23T04:49:02Z","modified":"2026-09-23T04:49:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000030","type":"ImageService3","width":2175,"height":2577},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"336.9,131.1 632.8,127.3 631.6,0.0 2175.0,0.0 2175.0,2396.7 364.7,2434.4 336.9,131.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000030/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[352.0,897.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.4762268,32.25383]}},{"type":"Feature","properties":{"resourceCoords":[1116.0,2422.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.4740624,32.2523803]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000070/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Spring, Texas | 1922 | sanborn08431_006 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T04:49:02Z","modified":"2026-09-23T04:49:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000070/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000070","type":"ImageService3","width":2178,"height":2576},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2576.0 0.0,0.0 2178.0,0.0 2178.0,1269.9 2138.6,1270.0 2143.8,2576.0 -0.0,2576.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000070/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-101.49749603328948,32.250878181191005]}},{"type":"Feature","properties":{"resourceCoords":[2178.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-101.49076107319569,32.25229735958101]}},{"type":"Feature","properties":{"resourceCoords":[2178.0,2576.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-101.48879031040258,32.24551292548093]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2576.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-101.49552527049637,32.24409374709093]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000080/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Spring, Texas | 1922 | sanborn08431_006 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T04:49:02Z","modified":"2026-09-23T04:49:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000080/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000080","type":"ImageService3","width":2177,"height":2572},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"57.2,1650.1 70.8,372.5 109.3,372.9 114.8,0.0 2177.0,0.0 2177.0,2572.0 -0.0,2572.0 -0.0,1649.2 57.2,1650.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000080/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-101.49044259717725,32.24987579803318]}},{"type":"Feature","properties":{"resourceCoords":[2177.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-101.4835875911087,32.25141151783477]}},{"type":"Feature","properties":{"resourceCoords":[2177.0,2572.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-101.48145735922061,32.2445136000045]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2572.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-101.48831236528916,32.242977880202915]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000090__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Spring, Texas | 1922 | sanborn08431_006 p9 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5339.2"},{"label":"split_canvas_w","value":"5007.2"},{"label":"split_canvas_h","value":"4948.8"}],"created":"2026-09-23T04:49:02Z","modified":"2026-09-23T04:49:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000090__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000090","type":"ImageService3","width":2178,"height":2572},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1203.3,2498.3 1201.1,1365.4 1033.1,1369.6 1033.3,1335.0 0.0,1335.8 -0.0,2499.2 1203.3,2498.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000090__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[79.0,1743.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.4818038,32.2515195]}},{"type":"Feature","properties":{"resourceCoords":[827.9,2499.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.4785326,32.2505467]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000090__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Big Spring, Texas | 1922 | sanborn08431_006 p9 [2]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"24"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"8712.0"},{"label":"split_canvas_h","value":"10288.0"}],"created":"2026-09-23T04:49:02Z","modified":"2026-09-23T04:49:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000090__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000090","type":"ImageService3","width":2178,"height":2572},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2126.3,2572.0 2109.3,16.2 1265.2,25.8 1264.9,0.0 637.5,0.0 387.3,1335.5 1244.1,1334.8 1251.8,2572.0 2126.3,2572.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034bm:g08431006:sb000090__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[619.0,810.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.4817581,32.2468879]}},{"type":"Feature","properties":{"resourceCoords":[2119.0,1950.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-101.4758684,32.2458306]}}]}}]}