{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn02401_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Lowell, Indiana | 1909 | mapsnap generated fit (2026-10-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-22"},{"label":"run","value":"corpus-v2.1"},{"label":"pages","value":"6"},{"label":"placed","value":"3"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef-snap 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 5 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 41.29185,-87.42087 +/-308m); p1__3 (tier 1, 41.29189,-87.42654 +/-100m); p3__1 (tier 1, 41.29149,-87.43281 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094lm:g4094lm_g024011909:02401_1909-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lowell, Indiana | 1909 | sanborn02401_003 p1 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.81"},{"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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-22T12:51:56Z","modified":"2026-10-22T12:51:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094lm:g4094lm_g024011909:02401_1909-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094lm:g4094lm_g024011909:02401_1909-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"69.9,45.6 67.4,445.8 68.0,857.4 60.2,1870.0 989.4,1866.0 1050.2,1462.8 1050.3,1451.5 1051.9,1451.5 1052.1,1450.2 1566.4,1448.3 1533.3,105.8 1475.4,37.2 1355.3,71.5 1353.3,377.8 1353.2,400.5 1353.2,401.0 1346.8,406.7 810.1,408.0 714.0,401.0 657.0,401.0 657.0,396.9 653.9,396.6 595.7,44.8 514.3,20.4 74.3,31.6 69.9,45.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094lm:g4094lm_g024011909:02401_1909-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[77.0,436.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.41921825835887,41.293282296950146]}},{"type":"Feature","properties":{"resourceCoords":[1008.0,30.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.41700036275599,41.294059668310105]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094lm:g4094lm_g024011909:02401_1909-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lowell, Indiana | 1909 | sanborn02401_003 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.95"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T12:51:56Z","modified":"2026-10-22T12:51:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094lm:g4094lm_g024011909:02401_1909-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094lm:g4094lm_g024011909:02401_1909-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"32.3,545.7 141.0,47.2 1005.5,18.2 1202.1,67.2 1453.2,51.6 1474.3,89.0 1486.0,51.7 1483.3,447.4 1483.7,854.5 1475.5,1856.0 145.8,1860.9 130.3,1899.2 80.8,1528.2 148.9,1484.3 119.3,1478.2 112.9,754.1 75.0,753.4 32.3,545.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094lm:g4094lm_g024011909:02401_1909-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[531.0,872.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.42153341291976,41.29244228631332]}},{"type":"Feature","properties":{"resourceCoords":[1467.0,453.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.41928027623733,41.29325318884344]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094lm:g4094lm_g024011909:02401_1909-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lowell, Indiana | 1909 | sanborn02401_003 p3 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.65"},{"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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-22T12:51:56Z","modified":"2026-10-22T12:51:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094lm:g4094lm_g024011909:02401_1909-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094lm:g4094lm_g024011909:02401_1909-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1523.5,111.0 1316.3,109.5 1020.9,26.1 761.5,90.8 295.6,57.9 125.0,108.5 35.5,218.9 115.4,1462.5 218.4,1544.6 373.8,1545.7 375.8,1551.0 378.5,1551.0 378.4,1558.4 460.9,1783.1 948.9,1830.9 1267.5,1774.0 1562.8,1872.3 1499.9,1346.5 1575.5,1149.1 1518.9,777.5 1586.4,732.3 1556.5,726.8 1536.5,1.0 1498.7,1.0 1523.5,111.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094lm:g4094lm_g024011909:02401_1909-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[89.0,615.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.42606083577358,41.29149831065851]}},{"type":"Feature","properties":{"resourceCoords":[175.0,1654.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-87.42583429583048,41.28960512470292]}}]}}]}