{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02727_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Lyons, Iowa | 1902 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"20"},{"label":"placed","value":"4"},{"label":"unplaced","value":"16"},{"label":"fit sources","value":"georef 3, georef-snap 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"2 sheet(s) cut into 10 panels"},{"label":"unplaced pages","value":"p10 (tier 3, 41.84448,-90.17946 +/-772m); p11 (tier 3, 41.83978,-90.17139 +/-772m); p12 (tier 3, 41.84176,-90.16300 +/-772m); p13__1 (tier 1, 41.84028,-90.19753 +/-152m); p13__2 (tier 1, 41.83900,-90.19799 +/-135m); p13__5 (tier 1, 41.83820,-90.18938 +/-100m); p13__6 (tier 3, 41.83924,-90.18330 +/-2170m); p2__1 (tier 1, 41.84185,-90.21527 +/-160m); p2__2 (tier 1, 41.84478,-90.21078 +/-193m); p2__3 (tier 1, 41.83494,-90.18795 +/-100m); p2__4 (tier 1, 41.84230,-90.21462 +/-100m); p4 (tier 2, 41.85103,-90.19258 +/-201m); p5 (tier 1, 41.84514,-90.19270 +/-264m); p6 (tier 1, 41.84267,-90.18896 +/-242m); p7 (tier 2, 41.87365,-90.18810 +/-100m); p9 (tier 2, 41.87223,-90.18816 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027271902:02727_1902-0013__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lyons, Iowa | 1902 | sanborn02727_004 p13 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.70"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"2770.4"},{"label":"split_canvas_y","value":"3960.4"},{"label":"split_canvas_w","value":"1321.2"},{"label":"split_canvas_h","value":"1694.8"}],"created":"2026-10-18T22:50:21Z","modified":"2026-10-18T22:50:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027271902:02727_1902-0013__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027271902:02727_1902-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"997.2,1062.5 746.5,1022.7 788.4,1132.1 710.1,1183.2 712.3,1337.5 855.4,1396.5 849.4,1350.1 1002.3,1347.9 997.2,1062.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027271902:02727_1902-0013__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[692.6,990.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.2046667243219,41.83805002347078]}},{"type":"Feature","properties":{"resourceCoords":[1022.9,990.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.20463882386227,41.83746703146638]}},{"type":"Feature","properties":{"resourceCoords":[1022.9,1413.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.20563417998636,41.83744021687463]}},{"type":"Feature","properties":{"resourceCoords":[692.6,1413.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-90.20566208044599,41.83802320887903]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027271902:02727_1902-0013__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lyons, Iowa | 1902 | sanborn02727_004 p13 [4]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.02"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4059.6"},{"label":"split_canvas_y","value":"3981.6"},{"label":"split_canvas_w","value":"2392.4"},{"label":"split_canvas_h","value":"3670.4"}],"created":"2026-10-18T22:50:21Z","modified":"2026-10-18T22:50:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027271902:02727_1902-0013__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027271902:02727_1902-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1477.7,1867.2 1550.2,1123.8 1428.5,1044.5 1061.3,1021.5 1053.0,1784.0 1477.7,1867.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027271902:02727_1902-0013__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1523.1,1830.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1952423,41.8501572]}},{"type":"Feature","properties":{"resourceCoords":[1523.1,1108.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1948284,41.8511565]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027271902:02727_1902-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lyons, Iowa | 1902 | sanborn02727_004 p3","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.23"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:50:21Z","modified":"2026-10-18T22:50:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027271902:02727_1902-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027271902:02727_1902-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"90.4,59.1 1220.3,33.8 1504.7,123.6 1611.0,509.3 1611.2,1243.5 1532.5,1858.6 98.6,1843.8 90.4,59.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027271902:02727_1902-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[962.0,361.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1889643,41.8539722]}},{"type":"Feature","properties":{"resourceCoords":[962.0,1804.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1897124,41.8514007]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027271902:02727_1902-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lyons, Iowa | 1902 | sanborn02727_004 p8","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.35"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T22:50:21Z","modified":"2026-10-18T22:50:21Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027271902:02727_1902-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027271902:02727_1902-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"266.8,1414.0 139.3,1407.1 191.8,992.7 55.0,794.7 89.5,117.8 503.3,106.6 558.4,26.5 1514.0,58.9 1535.9,1841.9 1201.8,1876.4 747.5,1808.3 421.5,1858.6 266.8,1414.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154lm:g027271902:02727_1902-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1026.0,702.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1893129,41.8738234]}},{"type":"Feature","properties":{"resourceCoords":[1523.0,702.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-90.1881819,41.8738168]}}]}}]}