{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn01851_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Elmwood, Illinois | 1909 | 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":"11"},{"label":"placed","value":"6"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef 4, georef-snap 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p1__2 (tier 1, 40.77400,-89.96941 +/-157m); p2__2 (tier 1, 40.78183,-89.95844 +/-100m); p5__2 (tier 1, 40.77446,-89.96718 +/-100m); p5__3 (tier 1, 40.77653,-89.96806 +/-100m); p5__4 (tier 1, 40.77593,-89.97069 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104em:g018511909:01851_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":"Elmwood, Illinois | 1909 | sanborn01851_004 p1 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"},{"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":"2026-09-22T01:15:57Z","modified":"2026-09-22T01:15:57Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104em:g018511909:01851_1909-0001__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104em:g018511909:01851_1909-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6405.6,7217.0 6452.0,7503.4 6452.0,4320.8 4576.4,4328.8 4546.8,3398.8 2996.0,3396.8 2522.0,2448.4 2529.2,0.0 393.0,0.0 381.2,7235.4 6405.6,7217.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104em:g018511909:01851_1909-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2656.0,3320.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.9647502,40.7805503]}},{"type":"Feature","properties":{"resourceCoords":[408.0,3320.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.9661064,40.780558]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104em:g018511909:01851_1909-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Elmwood, Illinois | 1909 | sanborn01851_004 p2 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"19"},{"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":"2026-09-22T01:15:57Z","modified":"2026-09-22T01:15:57Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104em:g018511909:01851_1909-0002__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104em:g018511909:01851_1909-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6060.4,7191.3 5915.5,39.7 1588.7,10.7 1572.8,2024.4 0.0,2040.8 -0.0,5016.8 97.5,5014.0 157.3,7109.8 1526.2,7076.8 1531.9,7270.1 6060.4,7191.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104em:g018511909:01851_1909-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3792.0,3336.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.9674549,40.780581]}},{"type":"Feature","properties":{"resourceCoords":[3792.0,7224.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.9675246,40.7787843]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104em:g018511909:01851_1909-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Elmwood, Illinois | 1909 | sanborn01851_004 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:15:57Z","modified":"2026-09-22T01:15:57Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104em:g018511909:01851_1909-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104em:g018511909:01851_1909-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1893.7,7652.0 1884.6,6276.5 -0.0,6284.8 -0.0,4909.2 192.9,4908.2 223.1,358.0 5112.9,301.4 5118.7,460.0 6452.0,457.4 6452.0,7652.0 1893.7,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104em:g018511909:01851_1909-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.96592210761258,40.77887106127908]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.96594281730209,40.775882346854324]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.97059086353427,40.77590107732857]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.97057015384476,40.77888979175332]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104em:g018511909:01851_1909-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Elmwood, Illinois | 1909 | sanborn01851_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:15:57Z","modified":"2026-09-22T01:15:57Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104em:g018511909:01851_1909-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104em:g018511909:01851_1909-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 -0.0,7652.0 -0.0,5213.8 159.2,5208.4 111.9,298.8 6119.5,305.1 6164.6,589.0 6167.0,0.0 6452.0,0.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104em:g018511909:01851_1909-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.96620738618253,40.77890663644264]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.96230392671389,40.77889666118976]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.96231944015081,40.77536623798144]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.96622289961945,40.77537621323432]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104em:g018511909:01851_1909-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Elmwood, Illinois | 1909 | sanborn01851_004 p5 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2430.4"},{"label":"split_canvas_h","value":"3996.8"}],"created":"2026-09-22T01:15:57Z","modified":"2026-09-22T01:15:57Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104em:g018511909:01851_1909-0005__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104em:g018511909:01851_1909-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,3991.6 2414.0,3996.8 2417.6,3127.6 2423.2,1861.6 2430.4,0.0 -0.0,-0.0 0.0,3991.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104em:g018511909:01851_1909-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2278.5,3912.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.967594,40.772193]}},{"type":"Feature","properties":{"resourceCoords":[255.8,160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.9689553,40.7741091]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104em:g018511909:01851_1909-0005__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Elmwood, Illinois | 1909 | sanborn01851_004 p5 [5]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2226.8"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5425.2"}],"created":"2026-09-22T01:15:57Z","modified":"2026-09-22T01:15:57Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104em:g018511909:01851_1909-0005__5/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104em:g018511909:01851_1909-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5049.6,6309.4 6452.0,6306.2 6452.0,2226.8 4555.6,2258.4 4226.0,2264.8 4230.0,3123.2 2417.6,3127.6 2414.0,3996.8 0.0,3991.6 -0.0,7652.0 5043.7,7652.0 5049.6,6309.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104em:g018511909:01851_1909-0005__5/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2348.0,3929.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.9721847,40.7790882]}},{"type":"Feature","properties":{"resourceCoords":[384.0,6296.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.9733561,40.7780201]}}]}}]}