{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn01758_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Byron, Illinois | 1904 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"4"},{"label":"placed","value":"3"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 2, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"},{"label":"unplaced pages","value":"p2__3 (tier 1, 42.13105,-89.25670 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104bm:g017581904:01758_1904-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Byron, Illinois | 1904 | sanborn01758_003 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T20:04:47Z","modified":"2026-09-21T20:04:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104bm:g017581904:01758_1904-0001/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104bm:g017581904:01758_1904-0001/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"206.2,225.8 -0.0,226.1 -0.0,0.0 2552.8,-0.0 2553.2,253.9 4065.5,251.1 4065.2,-0.0 6452.0,-0.0 6452.0,7652.0 -0.0,7652.0 -0.0,7485.8 199.4,7486.1 206.2,225.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104bm:g017581904:01758_1904-0001/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.25432050286197,42.127995617105945]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.25420247192953,42.12496594567758]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.25901323533823,42.12486139217761]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.25913126627067,42.12789106360597]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104bm:g017581904:01758_1904-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Byron, Illinois | 1904 | sanborn01758_003 p2 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"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":"2026-09-21T20:04:47Z","modified":"2026-09-21T20:04:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104bm:g017581904:01758_1904-0002__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104bm:g017581904:01758_1904-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6218.3,7367.7 6123.9,1505.2 3544.0,1505.2 3544.8,0.0 -0.0,0.0 0.0,1878.0 1606.4,1879.6 1619.2,3605.2 0.0,3618.8 -0.0,7652.0 6452.0,7652.0 6452.0,7527.7 6023.1,7534.9 6020.3,7370.7 6218.3,7367.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104bm:g017581904:01758_1904-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3628.0,5352.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.2577599,42.1290365]}},{"type":"Feature","properties":{"resourceCoords":[996.0,256.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.2545354,42.1303108]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104bm:g017581904:01758_1904-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Byron, Illinois | 1904 | sanborn01758_003 p2 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"3544.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2908.0"},{"label":"split_canvas_h","value":"1505.2"}],"created":"2026-09-21T20:04:47Z","modified":"2026-09-21T20:04:47Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104bm:g017581904:01758_1904-0002__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104bm:g017581904:01758_1904-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,0.0 3544.8,0.0 3544.0,1505.2 6452.0,1505.2 6452.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd410m:g4104m:g4104bm:g017581904:01758_1904-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[3544.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.25443341384461,42.12679324101847]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.25258491078853,42.12683549066287]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,1505.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.25255549211944,42.12612537829303]}},{"type":"Feature","properties":{"resourceCoords":[3544.0,1505.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-89.25440399517552,42.12608312864863]}},{"type":"Feature","properties":{"resourceCoords":[6144.0,240.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-89.252776,42.1267177]}}]}}]}