{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn04688_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Hannibal, Missouri | 1890 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"45"},{"label":"placed","value":"18"},{"label":"unplaced","value":"27"},{"label":"fit sources","value":"georef 10, georef-snap 7, georef-street 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 23 panels"},{"label":"unplaced pages","value":"p0 (tier 3, 39.70364,-91.35666 +/-607m); p1 (tier 1, 39.70405,-91.35986 +/-258m); p14 (tier 3, 39.70612,-91.35515 +/-607m); p15__2 (tier 4, 39.70493,-91.36373 +/-1350m); p15__4 (tier 4, 39.70493,-91.36373 +/-1350m); p16 (tier 2, 39.70162,-91.34923 +/-100m); p18 (tier 1, 39.69805,-91.37001 +/-267m); p21__1 (tier 4, 39.70493,-91.36373 +/-1350m); p21__2 (tier 4, 39.70493,-91.36373 +/-1350m); p21__3 (tier 4, 39.70493,-91.36373 +/-1350m); p22 (tier 4, 39.70493,-91.36373 +/-1350m); p25__1 (tier 4, 39.70493,-91.36373 +/-1350m); p25__3 (tier 4, 39.70493,-91.36373 +/-1350m); p25__4 (tier 4, 39.70493,-91.36373 +/-1350m); p25__5 (tier 4, 39.70493,-91.36373 +/-1350m); p26__1 (tier 4, 39.70493,-91.36373 +/-1350m); p26__2 (tier 4, 39.70493,-91.36373 +/-1350m); p26__3 (tier 4, 39.70493,-91.36373 +/-1350m); p26__4 (tier 4, 39.70493,-91.36373 +/-1350m); p26__5 (tier 4, 39.70493,-91.36373 +/-1350m); p27__1 (tier 4, 39.70493,-91.36373 +/-1350m); p27__2 (tier 4, 39.70493,-91.36373 +/-1350m); p27__3 (tier 4, 39.70493,-91.36373 +/-1350m); p27__4 (tier 4, 39.70493,-91.36373 +/-1350m); p2__2 (tier 2, 39.70784,-91.36247 +/-766m); p5 (tier 2, 39.70729,-91.36294 +/-100m); p8 (tier 1, 39.70474,-91.36452 +/-266m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hannibal, Missouri | 1890 | sanborn04688_002 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T23:17:16Z","modified":"2026-09-22T23:17:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"95.5,1785.4 640.8,671.5 225.7,771.3 -0.0,765.2 23.3,217.5 -0.0,-0.0 1613.0,0.0 1613.0,1913.0 290.9,1913.0 95.5,1785.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.37054041215845,39.704283636712866]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.36710551709633,39.70576358654367]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.36484012272709,39.702607289593935]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.3682750177892,39.70112733976313]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hannibal, Missouri | 1890 | sanborn04688_002 p11","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"5"}],"created":"2026-09-22T23:17:16Z","modified":"2026-09-22T23:17:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,767.9 514.8,544.0 418.4,334.9 136.9,-0.0 1461.2,-0.0 1613.0,331.6 1613.0,1679.7 1044.8,1731.4 902.6,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[158.0,698.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.3700468,39.7036623]}},{"type":"Feature","properties":{"resourceCoords":[158.0,1767.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.3726011,39.7035601]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hannibal, Missouri | 1890 | sanborn04688_002 p12","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"19"}],"created":"2026-09-22T23:17:16Z","modified":"2026-09-22T23:17:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1423.2,1045.3 1431.2,1624.0 1613.0,1744.9 1613.0,1913.0 -0.0,1913.0 -0.0,1339.6 32.5,1292.9 -0.0,1211.6 242.3,827.7 -0.0,655.0 194.2,367.3 152.2,196.3 262.6,183.3 15.2,-0.0 1404.6,-0.0 1405.6,71.4 1537.5,72.6 1540.8,800.6 1423.2,1045.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[141.0,1661.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.3757125,39.7007171]}},{"type":"Feature","properties":{"resourceCoords":[601.0,1072.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.3743075,39.6998519]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hannibal, Missouri | 1890 | sanborn04688_002 p13","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"0"}],"created":"2026-09-22T23:17:16Z","modified":"2026-09-22T23:17:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3.2,1636.2 -0.0,1066.0 59.2,1016.5 122.1,825.0 130.3,266.2 129.2,111.5 -0.0,108.5 -0.0,0.0 1613.0,-0.0 1613.0,1913.0 177.2,1913.0 179.5,1751.4 3.2,1636.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.3716548,39.6983397]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.3716449,39.6952903]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.3763452,39.695281300000005]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.3763551,39.6983307]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0015__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hannibal, Missouri | 1890 | sanborn04688_002 p15 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"4630.8"}],"created":"2026-09-22T23:17:16Z","modified":"2026-09-22T23:17:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0015__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"572.9,1087.1 1074.0,1064.7 1077.5,768.2 1423.4,763.4 1539.5,631.7 1613.0,718.0 1613.0,415.3 1459.2,537.5 1161.8,198.6 1068.8,128.8 840.4,130.5 736.7,-0.0 -0.0,0.0 0.0,947.5 483.9,948.5 484.2,1157.7 573.8,1155.7 572.9,1087.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0015__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[433.0,791.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.3745861,39.7016158]}},{"type":"Feature","properties":{"resourceCoords":[1074.0,1064.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.373709,39.700511]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0015__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hannibal, Missouri | 1890 | sanborn04688_002 p15 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3790.0"},{"label":"split_canvas_w","value":"3282.8"},{"label":"split_canvas_h","value":"3862.0"}],"created":"2026-09-22T23:17:16Z","modified":"2026-09-22T23:17:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0015__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 820.7,1913.0 815.8,1150.2 484.2,1157.7 483.9,948.5 0.0,947.5 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0015__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[340.9,1254.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.378152,39.699902]}},{"type":"Feature","properties":{"resourceCoords":[340.9,1711.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.377914,39.699041]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hannibal, Missouri | 1890 | sanborn04688_002 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T23:17:16Z","modified":"2026-09-22T23:17:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,0.0 1613.0,1913.0 -0.0,1913.0 -0.0,255.4 121.5,240.4 432.9,49.7 426.8,0.0 1613.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0017/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.36923854050274,39.70148158232974]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.36539886708364,39.70126985865212]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.36572293995003,39.697741422597396]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.36956261336913,39.69795314627502]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hannibal, Missouri | 1890 | sanborn04688_002 p19","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"}],"created":"2026-09-22T23:17:16Z","modified":"2026-09-22T23:17:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 569.2,0.0 570.8,38.7 1570.0,24.1 1613.0,915.6 1613.0,1913.0 -0.0,1913.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0019/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.36321508322547,39.70361232246058]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.35968417174784,39.70500657143068]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.35753287212017,39.701787819808814]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.3610637835978,39.70039357083871]}},{"type":"Feature","properties":{"resourceCoords":[600.0,955.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.3608277,39.7025241]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hannibal, Missouri | 1890 | sanborn04688_002 p20","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T23:17:16Z","modified":"2026-09-22T23:17:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"517.9,57.2 1047.5,141.4 1034.4,244.1 1613.0,315.4 1613.0,1913.0 290.2,1913.0 430.2,957.5 517.9,57.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0020/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.36084698002686,39.7044503637076]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.35768536884284,39.706211444095345]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.35498962565366,39.70330628227227]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.35815123683768,39.70154520188453]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hannibal, Missouri | 1890 | sanborn04688_002 p23","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"1"}],"created":"2026-09-22T23:17:16Z","modified":"2026-09-22T23:17:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,-0.0 1613.0,0.0 1613.0,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0023/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.35265381383871,39.704629802990745]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.3486854966749,39.70455242853389]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.34880488398937,39.70093494126805]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.35277320115318,39.70101231572491]}},{"type":"Feature","properties":{"resourceCoords":[569.0,1555.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.351351,39.701662]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hannibal, Missouri | 1890 | sanborn04688_002 p24","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T23:17:16Z","modified":"2026-09-22T23:17:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1802.6 -0.0,-0.0 1613.0,0.0 1613.0,1341.2 1486.0,1339.3 1483.2,1824.7 -0.0,1802.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0024/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.36489228403255,39.71271984621992]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.3615454536556,39.71416381094537]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.35933487177155,39.71108881261146]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.3626817021485,39.709644847886004]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0025__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hannibal, Missouri | 1890 | sanborn04688_002 p25 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"1314.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5138.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T23:17:16Z","modified":"2026-09-22T23:17:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0025__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1717.7 1487.0,1718.5 1467.9,93.0 397.5,88.0 398.4,483.6 329.4,484.1 329.7,632.9 502.2,633.1 860.3,633.6 860.2,1450.4 652.0,1913.0 1613.0,1913.0 1613.0,1717.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0025__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[889.3,1178.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.3637138,39.7084054]}},{"type":"Feature","properties":{"resourceCoords":[397.5,88.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.361972,39.710175]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hannibal, Missouri | 1890 | sanborn04688_002 p2 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T23:17:16Z","modified":"2026-09-22T23:17:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1387.3,699.4 1495.0,700.5 1536.2,703.3 1531.7,438.6 1613.0,439.4 1613.0,-0.0 -0.0,0.0 0.0,431.8 507.8,441.4 488.0,1235.3 0.0,1391.5 -0.0,1637.1 1069.1,1634.4 1068.4,1756.5 1537.0,1758.0 1537.0,1224.0 1385.3,1223.9 1387.3,699.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1537.0,1224.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.3585488,39.7116041]}},{"type":"Feature","properties":{"resourceCoords":[1537.0,1758.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.3597061,39.7111146]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hannibal, Missouri | 1890 | sanborn04688_002 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T23:17:16Z","modified":"2026-09-22T23:17:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1748.1 -0.0,1757.3 -0.0,1231.3 148.8,1233.9 143.3,968.5 224.5,968.3 222.9,528.0 -0.0,530.1 -0.0,0.0 1613.0,-0.0 1613.0,1748.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.35492330462377,39.71345267352573]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.35303287671206,39.71074630879012]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.35717603933482,39.709009405363275]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.35906646724652,39.711715770098884]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hannibal, Missouri | 1890 | sanborn04688_002 p4","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-22T23:17:16Z","modified":"2026-09-22T23:17:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"113.6,42.9 -0.0,41.8 -0.0,0.0 1613.0,-0.0 1599.9,1780.5 107.2,1783.7 113.6,42.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[557.0,1262.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.35515,39.7088869]}},{"type":"Feature","properties":{"resourceCoords":[557.0,1790.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.356296,39.7084023]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hannibal, Missouri | 1890 | sanborn04688_002 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T23:17:16Z","modified":"2026-09-22T23:17:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"76.0,101.8 1511.9,92.6 1517.3,1703.3 75.0,1698.9 76.0,101.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.3584186433327,39.71182138510384]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.35655351127505,39.70914390155876]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.36065236369687,39.7074301994917]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.36251749575452,39.710107683036775]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hannibal, Missouri | 1890 | sanborn04688_002 p7","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"}],"created":"2026-09-22T23:17:16Z","modified":"2026-09-22T23:17:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"54.2,1752.0 58.4,145.1 1613.0,143.5 1613.0,1752.5 54.2,1752.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[557.0,686.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.3574385,39.7079164]}},{"type":"Feature","properties":{"resourceCoords":[557.0,1755.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.359727,39.706946]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hannibal, Missouri | 1890 | sanborn04688_002 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T23:17:16Z","modified":"2026-09-22T23:17:16Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1737.3 -0.0,-0.0 1591.2,0.0 1579.3,1821.3 56.2,1777.8 55.7,1739.3 -0.0,1737.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164hm:g4164hm_g046881890:04688_1890-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.36416894197423,39.7069508065901]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.36070001157698,39.70844527763409]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.3584123043379,39.70525782419406]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.36188123473515,39.703763353150066]}}]}}]}