{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02842_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Sumner, Iowa | 1895 | 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":"7"},{"label":"placed","value":"5"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 3, georef-snap 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p2__2 (tier 1, 42.85280,-92.09226 +/-100m); p2__6 (tier 1, 42.85093,-92.09803 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028421895:02842_1895-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sumner, Iowa | 1895 | sanborn02842_001 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T21:24:08Z","modified":"2026-10-18T21:24:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028421895:02842_1895-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028421895:02842_1895-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1475.0,1873.2 1473.2,1788.5 1554.7,1787.1 1545.1,770.4 1536.8,1.0 1501.0,1.0 1496.7,40.4 1431.2,34.1 261.4,30.4 73.5,91.5 41.0,339.0 128.1,802.6 64.2,898.0 93.1,1827.6 783.7,1853.2 797.6,1809.4 1029.8,1791.2 1496.2,1885.7 1475.0,1873.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028421895:02842_1895-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1050.0,1297.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.09905098874215,42.84745249608069]}},{"type":"Feature","properties":{"resourceCoords":[572.0,1297.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.10026152802078,42.847466255528246]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028421895:02842_1895-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sumner, Iowa | 1895 | sanborn02842_001 p2 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.79"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2292.0"},{"label":"split_canvas_h","value":"2028.4"}],"created":"2026-10-18T21:24:08Z","modified":"2026-10-18T21:24:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028421895:02842_1895-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028421895:02842_1895-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"61.5,283.7 96.4,284.2 95.9,491.7 96.4,491.6 135.1,478.6 440.0,435.4 531.9,314.8 488.9,151.9 226.3,60.5 84.5,96.3 61.5,283.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028421895:02842_1895-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.09801543457102,42.85038841981261]}},{"type":"Feature","properties":{"resourceCoords":[573.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.09652893599858,42.85038570392178]}},{"type":"Feature","properties":{"resourceCoords":[573.0,507.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.09653220850232,42.84941986805863]}},{"type":"Feature","properties":{"resourceCoords":[0.0,507.1],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.09801870707477,42.84942258394946]}},{"type":"Feature","properties":{"resourceCoords":[97.0,32.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.097764,42.850327]}},{"type":"Feature","properties":{"resourceCoords":[97.0,32.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.097764,42.850327]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028421895:02842_1895-0002__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sumner, Iowa | 1895 | sanborn02842_001 p2 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.73"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4608.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1844.0"},{"label":"split_canvas_h","value":"1265.2"}],"created":"2026-10-18T21:24:08Z","modified":"2026-10-18T21:24:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028421895:02842_1895-0002__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028421895:02842_1895-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1163.8,59.1 1164.5,279.2 1171.7,293.4 1192.8,279.1 1312.9,186.4 1312.9,179.3 1263.0,73.0 1234.6,44.7 1213.3,30.6 1185.0,23.6 1170.8,23.6 1163.8,59.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028421895:02842_1895-0002__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1152.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.1004341406417,42.84640528698892]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.1004303076997,42.847283490981674]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,316.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.0996105300551,42.84728156166331]}},{"type":"Feature","properties":{"resourceCoords":[1152.0,316.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.0996143629971,42.84640335767055]}},{"type":"Feature","properties":{"resourceCoords":[1214.0,65.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.100265,42.846523]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028421895:02842_1895-0002__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sumner, Iowa | 1895 | sanborn02842_001 p2 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.87"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1265.2"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"6386.8"}],"created":"2026-10-18T21:24:08Z","modified":"2026-10-18T21:24:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028421895:02842_1895-0002__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028421895:02842_1895-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"41.5,1912.0 158.6,1839.0 714.4,1885.7 837.4,1843.1 809.2,1713.0 907.8,1362.3 907.9,1348.2 907.9,1346.4 912.2,1346.5 912.5,1345.3 1259.2,1347.4 1259.5,1349.4 1264.0,1349.4 1264.0,1349.6 1264.0,1383.6 1293.8,1607.5 1560.9,1616.3 1598.5,1363.8 1612.0,1363.3 1612.0,1334.0 1580.4,1334.0 1568.1,822.9 1612.0,823.0 1612.0,789.2 1594.7,786.2 1561.2,360.0 1171.3,336.0 918.0,421.1 108.8,495.8 96.7,491.6 96.6,491.6 93.1,817.6 81.0,1828.1 1.0,1827.8 1.0,1912.0 41.5,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028421895:02842_1895-0002__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1180.0,817.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.09500746262026,42.84842886247727]}},{"type":"Feature","properties":{"resourceCoords":[1180.0,1319.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0949998489174,42.8474911664766]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028421895:02842_1895-0002__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sumner, Iowa | 1895 | sanborn02842_001 p2 [5]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.59"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3615.6"},{"label":"split_canvas_y","value":"5386.4"},{"label":"split_canvas_w","value":"1440.4"},{"label":"split_canvas_h","value":"2265.6"}],"created":"2026-10-18T21:24:08Z","modified":"2026-10-18T21:24:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028421895:02842_1895-0002__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028421895:02842_1895-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"986.6,1895.2 1237.5,1881.5 1229.1,1866.0 1229.1,1772.0 1202.3,1421.5 1229.1,1398.8 981.8,1357.3 982.0,1388.9 941.0,1389.2 956.8,1868.0 986.4,1867.8 986.6,1895.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd415m:g4154m:g4154sm:g028421895:02842_1895-0002__5/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1229.1,1866.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.093238,42.8474701]}},{"type":"Feature","properties":{"resourceCoords":[1229.1,1387.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.093234,42.848424]}}]}}]}