{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02403_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Lyons, Indiana | 1921 | 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":"2"},{"label":"placed","value":"2"},{"label":"unplaced","value":"0"},{"label":"fit sources","value":"georef-snap 1, georef 1"},{"label":"key map","value":"none"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094lm:g4094lm_g024031921:02403_1921-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lyons, Indiana | 1921 | sanborn02403_003 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.73"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T11:20:48Z","modified":"2026-10-18T11:20:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094lm:g4094lm_g024031921:02403_1921-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094lm:g4094lm_g024031921:02403_1921-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"42.4,1622.2 43.5,1302.4 41.6,1165.6 33.2,1028.6 30.1,436.4 41.2,210.8 64.5,52.8 998.4,24.6 1307.4,29.6 1552.7,164.3 1599.3,659.8 1550.4,1853.0 99.2,1892.1 45.1,1856.6 42.4,1622.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094lm:g4094lm_g024031921:02403_1921-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[873.0,1617.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.0793216173854,38.98784415662287]}},{"type":"Feature","properties":{"resourceCoords":[873.0,1041.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.07931168668419,38.988925504342355]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094lm:g4094lm_g024031921:02403_1921-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lyons, Indiana | 1921 | sanborn02403_003 p2","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.87"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T11:20:48Z","modified":"2026-10-18T11:20:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094lm:g4094lm_g024031921:02403_1921-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094lm:g4094lm_g024031921:02403_1921-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1555.8,1.0 1555.7,1.0 1533.8,112.3 622.1,27.2 82.7,50.5 32.0,181.8 77.1,699.4 36.2,1829.6 80.1,1880.5 386.2,1828.7 816.5,1871.3 991.2,1783.4 1530.7,1752.8 1541.8,1760.2 1540.1,1522.3 1542.7,1197.8 1541.4,1059.0 1533.5,919.9 1533.0,319.0 1545.4,90.2 1555.8,1.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094lm:g4094lm_g024031921:02403_1921-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[107.0,1561.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.0847394,38.9877808]}},{"type":"Feature","properties":{"resourceCoords":[1533.0,319.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.0813373,38.9900719]}}]}}]}