{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn08912_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Burlington, Vermont | 1912 | 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":"63"},{"label":"placed","value":"37"},{"label":"unplaced","value":"26"},{"label":"fit sources","value":"georef 19, georef-snap 17, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"11 sheet(s) cut into 34 panels"},{"label":"unplaced pages","value":"p1 (tier 3, 44.46062,-73.21943 +/-545m); p20__2 (tier 1, 44.47581,-73.21085 +/-100m); p20__3 (tier 1, 44.47480,-73.21087 +/-100m); p20__4 (tier 1, 44.47348,-73.21002 +/-100m); p25__1 (tier 1, 44.48532,-73.22311 +/-225m); p25__2 (tier 3, 44.48407,-73.22398 +/-545m); p30__2 (tier 1, 44.46853,-73.21519 +/-100m); p31__2 (tier 1, 44.45475,-73.21781 +/-128m); p31__3 (tier 1, 44.45408,-73.21729 +/-100m); p32__2 (tier 1, 44.48396,-73.19988 +/-120m); p34__1 (tier 1, 44.47535,-73.20020 +/-180m); p35__2 (tier 1, 44.46809,-73.20772 +/-100m); p36__1 (tier 1, 44.47968,-73.19134 +/-100m); p36__2 (tier 2, 44.47860,-73.19851 +/-163m); p38__1 (tier 1, 44.49006,-73.22314 +/-139m); p38__2 (tier 1, 44.48826,-73.22589 +/-100m); p38__4 (tier 1, 44.48855,-73.22499 +/-134m); p39__1 (tier 1, 44.45849,-73.21509 +/-100m); p39__2 (tier 1, 44.45812,-73.21662 +/-100m); p39__5 (tier 1, 44.45808,-73.21457 +/-100m); p40__1 (tier 4, 44.47763,-73.21251 +/-2379m); p40__2 (tier 4, 44.47763,-73.21251 +/-2379m); p40__3 (tier 4, 44.47763,-73.21251 +/-2379m); p40__4 (tier 4, 44.47763,-73.21251 +/-2379m); p40__5 (tier 4, 44.47763,-73.21251 +/-2379m); p40__6 (tier 4, 44.47763,-73.21251 +/-2379m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p10","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"16"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"113.1,103.0 217.7,0.0 1007.0,0.0 874.0,245.6 1550.2,307.5 1504.8,1818.5 114.8,1794.9 113.1,103.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[683.0,903.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2081449,44.4848882]}},{"type":"Feature","properties":{"resourceCoords":[1166.0,1812.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2067129,44.4832234]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p11","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1473.5 98.5,1475.8 100.5,33.3 1576.0,44.2 1602.7,622.5 1303.4,618.5 1289.2,1219.0 1036.0,1215.4 1033.9,1774.0 -0.0,1792.7 -0.0,1473.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[706.0,610.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2174134,44.480306]}},{"type":"Feature","properties":{"resourceCoords":[100.0,1203.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2189338,44.4791237]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p12","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"12"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"54.6,1249.0 358.6,1251.2 286.2,62.5 918.0,54.0 931.0,284.1 1409.5,287.1 1415.7,1255.3 1613.0,1255.3 1613.0,1913.0 1422.0,1913.0 1421.8,1867.8 44.0,1858.9 54.6,1249.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[918.0,1254.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2135742,44.4804171]}},{"type":"Feature","properties":{"resourceCoords":[918.0,54.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2137223,44.4826516]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p13","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"15"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"667.2,1789.2 670.2,1628.9 470.4,1627.0 471.9,1015.9 275.4,1015.4 271.6,51.2 1400.0,61.0 1414.0,1798.5 667.2,1789.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1406.0,543.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2093739,44.4814469]}},{"type":"Feature","properties":{"resourceCoords":[1414.0,1798.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2091892,44.4791002]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1478.8,1647.3 83.5,1627.6 81.3,247.6 1503.5,259.6 1478.8,1647.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0014/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.20975152338157,44.48358585850544]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.20556408936972,44.48374599988713]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.20529975506031,44.48017771749871]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.20948718907216,44.48001757611703]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p15","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"215.9,1848.1 211.5,0.0 1152.8,0.0 1151.8,627.8 1402.0,629.3 1399.3,1853.3 215.9,1848.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[215.0,1241.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2186788,44.4757189]}},{"type":"Feature","properties":{"resourceCoords":[1402.0,40.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2157172,44.4780874]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p16","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1277.7,1838.1 248.0,1846.0 248.9,1231.2 -0.0,1230.2 -0.0,45.9 1613.0,60.4 1613.0,1229.7 1276.2,1228.8 1277.7,1838.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[248.0,645.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2157172,44.4780874]}},{"type":"Feature","properties":{"resourceCoords":[248.0,1846.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2155596,44.4758208]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p17","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"13"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"337.8,1230.8 340.5,102.7 728.4,62.4 725.1,221.7 1467.2,232.6 1477.3,1845.5 -0.0,1840.4 -0.0,1229.1 337.8,1230.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1474.0,638.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2091157,44.4783373]}},{"type":"Feature","properties":{"resourceCoords":[545.0,646.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.211564,44.4782323]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p18","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1435.2,1790.7 88.4,1827.9 70.2,84.4 1460.4,97.6 1435.2,1790.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0018/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.2095034878029,44.480709863521916]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.20529942270424,44.480856514185916]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.20505736863274,44.47727388153875]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.2092614337314,44.47712723087475]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p19","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"806.5,679.5 1417.5,680.4 1423.3,1866.0 232.7,1853.6 221.8,675.8 0.0,675.4 0.0,151.6 225.4,152.7 225.2,89.3 809.5,86.0 806.5,679.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0019/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21713418992611,44.47311590428488]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.2173488822762,44.47611975725671]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21239123999042,44.476302727834465]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21217654764034,44.473298874862635]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,543.6 1053.7,111.0 1008.1,0.0 1613.0,0.0 1523.1,1856.3 674.2,1791.5 707.6,1880.6 647.3,1913.0 -0.0,1913.0 -0.0,1132.8 -0.0,1132.8 -0.0,543.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.22468415879011,44.487578341710666]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.2205087060495,44.48797440101415]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21985491248172,44.484416577888716]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.22403036522233,44.48402051858523]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0020__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p20 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"},{"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":"5512.4"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0020__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1484.1,1268.4 1475.9,98.6 144.0,118.7 152.8,1286.1 1484.1,1268.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0020__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[155.0,732.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2124044,44.4747798]}},{"type":"Feature","properties":{"resourceCoords":[1479.0,732.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2088773,44.4748631]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p21","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"120.4,52.7 1461.0,12.4 1466.6,1913.0 121.8,1886.5 120.4,52.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0021/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.20936335245858,44.477383322567235]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.20513952951154,44.477523333942415]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.20490844712366,44.47392365816942]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.2091322700707,44.47378364679424]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p22","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"590.8,1682.2 122.8,1678.8 135.8,637.5 1499.1,656.4 1495.9,1821.5 1018.6,1807.8 882.5,1773.6 601.8,1799.3 590.8,1682.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0022/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21688186449704,44.470694744033565]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21714967490404,44.47372941795416]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21214136649381,44.47395766734254]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21187355608681,44.470922993421944]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p23","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1435.1,1761.8 1613.0,1754.9 1613.0,1913.0 45.8,1913.0 -0.0,1834.6 -0.0,913.0 115.3,901.2 88.0,624.7 120.8,490.3 130.9,19.5 1464.7,32.9 1435.1,1761.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0023/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21271206234223,44.47374972612224]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.20842746101187,44.473922667377565]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.20814204702003,44.4702709683914]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.2124266483504,44.470098027136075]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p24","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"147.5,85.2 1481.0,92.1 1486.2,529.5 1613.0,527.5 1613.0,1913.0 316.0,1913.0 315.0,1821.6 135.6,1830.4 147.5,85.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0024/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.20921526527874,44.473992327257996]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.20496802423176,44.474132390176536]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.20473687013585,44.47051254752255]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.20898411118283,44.47037248460401]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p26","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"1"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0026","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"347.9,0.0 456.1,86.2 1489.3,63.2 1496.0,454.0 890.0,460.4 922.3,1913.0 -0.0,1913.0 -0.0,-0.0 347.9,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0026/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.2214772505366,44.48215032736893]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21723064655876,44.482240531046244]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21708073844523,44.47864633244149]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.22132734242307,44.478556128764176]}},{"type":"Feature","properties":{"resourceCoords":[1496.0,454.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2175031,44.481381]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p27","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1457.1,0.0 1458.8,1231.2 1458.3,1231.2 1459.4,1913.0 -0.0,1913.0 -0.0,-0.0 1457.1,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0027/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1459.0,609.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2187633,44.4768762]}},{"type":"Feature","properties":{"resourceCoords":[1459.0,1844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2185947,44.4745792]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p28","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0028","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1539.5,1842.7 946.0,1849.0 946.6,1913.0 196.1,1913.0 194.0,950.0 0.0,950.4 0.0,-0.0 1461.2,0.0 1469.2,1230.3 1539.2,1229.5 1539.5,1842.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0028/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[946.0,1849.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2169328,44.4735438]}},{"type":"Feature","properties":{"resourceCoords":[946.0,1236.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2185067,44.4734922]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p29","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0029/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0029","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1481.5,1913.0 -0.0,1913.0 -0.0,-0.0 1480.3,0.0 1481.5,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0029/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1481.0,646.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2152354,44.4710262]}},{"type":"Feature","properties":{"resourceCoords":[1481.0,1742.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2150989,44.4689993]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p3","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"111.2,1769.7 57.9,0.0 1422.7,0.0 1424.3,95.8 1534.5,78.8 1537.1,1755.2 111.2,1769.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1024.0,818.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2178596,44.4863451]}},{"type":"Feature","properties":{"resourceCoords":[1024.0,1450.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2177789,44.4851749]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0030__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p30 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"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":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0030__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0030","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,0.0 945.5,0.0 1097.8,1913.0 1613.0,1913.0 1613.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0030__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":[-73.21756860855568,44.468784058447376]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21332230447507,44.46868693045109]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21348372000853,44.46509298567038]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21773002408914,44.465190113666665]}},{"type":"Feature","properties":{"resourceCoords":[1016.0,845.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2149652,44.4671362]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0031__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p31 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"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":"4558.8"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0031__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0031","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 0.0,891.5 677.0,889.9 675.0,1139.7 1613.0,1133.8 1613.0,0.0 0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0031__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[271.0,571.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2196622,44.4588791]}},{"type":"Feature","properties":{"resourceCoords":[271.0,122.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2208003,44.4588626]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0032__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p32 [1]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"17"},{"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":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0032__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0032","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1508.4,135.8 234.7,89.2 215.0,1335.5 325.5,1435.2 322.3,1509.1 0.0,1495.1 0.0,1913.0 864.3,1913.0 870.9,1070.3 1613.0,1071.0 1613.0,247.6 1508.4,135.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0032__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[651.0,926.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.201535,44.4850379]}},{"type":"Feature","properties":{"resourceCoords":[215.0,1336.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.199211,44.4834974]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p33","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"18"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0033/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0033","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 1114.2,1913.0 1132.7,1673.0 170.6,1723.0 155.6,153.4 1439.1,118.1 1536.8,0.0 1613.0,0.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0033/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[422.0,149.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2044396,44.4832916]}},{"type":"Feature","properties":{"resourceCoords":[163.0,859.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2056849,44.4806599]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0034__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p34 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"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":"5190.4"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0034__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0034","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"158.6,1292.8 1553.4,1297.6 1613.0,1297.6 1596.7,358.4 1102.2,340.2 1129.3,103.0 173.8,117.4 158.6,1292.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0034__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[750.0,1081.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2022427,44.4740527]}},{"type":"Feature","properties":{"resourceCoords":[1396.0,486.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.1990835,44.4763994]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0035__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p35 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"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":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0035__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0035","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"259.0,71.4 339.9,1242.0 979.4,1249.2 971.8,1913.0 1242.0,1913.0 1241.5,1295.4 1613.0,1295.4 1613.0,498.4 1334.5,520.0 1284.5,447.2 1250.3,0.0 259.0,71.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0035__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1269.0,425.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.212479,44.4702918]}},{"type":"Feature","properties":{"resourceCoords":[259.0,71.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2152354,44.4710262]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0037/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p37","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0037/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0037","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,0.0 1613.0,1913.0 -0.0,1913.0 -0.0,-0.0 1613.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0037/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.18790973669674,44.48917850138169]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.1834857776052,44.48909244235335]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.18362784241187,44.48532295542762]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.1880518015034,44.48540901445595]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0038__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p38 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2065.2"},{"label":"split_canvas_w","value":"4866.4"},{"label":"split_canvas_h","value":"5586.8"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0038__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0038","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"795.0,1913.0 1073.0,1913.0 1127.3,1913.0 1134.6,713.1 1216.6,713.6 1215.8,625.6 1135.2,626.3 738.8,629.9 734.9,519.3 0.0,516.3 -0.0,1913.0 795.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0038__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,516.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.22639297523622,44.488743484084054]}},{"type":"Feature","properties":{"resourceCoords":[1216.6,516.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.22369515298331,44.48985541895567]}},{"type":"Feature","properties":{"resourceCoords":[1216.6,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.22191848594038,44.487630581473496]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.22461630819329,44.48651864660188]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0039__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p39 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"3851.6"},{"label":"split_canvas_y","value":"2793.2"},{"label":"split_canvas_w","value":"1233.6"},{"label":"split_canvas_h","value":"2325.6"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0039__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0039","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1257.0,1199.8 1270.5,1274.9 1271.3,1274.9 1271.3,699.6 962.9,698.3 963.6,1279.7 1246.7,1275.3 1257.0,1199.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0039__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[962.9,698.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21511257026856,44.458730338501475]}},{"type":"Feature","properties":{"resourceCoords":[1271.3,698.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21430807016817,44.45874796677797]}},{"type":"Feature","properties":{"resourceCoords":[1271.3,1279.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.2142618783728,44.45765878560901]}},{"type":"Feature","properties":{"resourceCoords":[962.9,1279.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21506637847318,44.45764115733252]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0039__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p39 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"5085.2"},{"label":"split_canvas_y","value":"2798.4"},{"label":"split_canvas_w","value":"1366.8"},{"label":"split_canvas_h","value":"2301.2"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0039__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0039","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1116.0 1613.0,700.8 1612.7,700.8 1578.2,857.5 1271.3,832.7 1271.3,1274.9 1613.0,1270.4 1613.0,1116.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0039__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1271.3,699.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21474702249493,44.45777227767562]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,699.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.2143053887487,44.45780768258597]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1274.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21422243226023,44.457273034341604]}},{"type":"Feature","properties":{"resourceCoords":[1271.3,1274.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21466406600646,44.457237629431255]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"110.6,202.0 -0.0,216.9 -0.0,-0.0 763.0,0.0 763.0,0.0 1403.4,0.0 1207.5,520.7 1613.0,1111.6 1065.3,1885.4 83.5,1869.8 110.6,202.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21695058761905,44.48812200110129]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21277697788793,44.48832417287432]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21244324094108,44.48476794752868]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21661685067221,44.48456577575565]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1879.5 12.2,1779.8 458.5,1074.3 14.9,534.0 174.6,11.0 1542.7,0.0 1535.2,228.7 1613.0,223.2 1613.0,935.3 1494.2,1068.2 1529.8,1117.1 1564.7,1830.2 -0.0,1879.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.2137799313851,44.48831765623554]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.20952342757927,44.48832851496925]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.20950550240731,44.48470166088255]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21376200621314,44.48469080214884]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"78.1,1004.2 -0.0,1012.3 -0.0,-0.0 1613.0,0.0 1613.0,856.5 1408.6,877.4 1470.8,1913.0 781.9,1913.0 893.6,1654.4 96.1,1727.0 78.1,1004.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.20964937377029,44.489800169192144]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.20542245512299,44.48971179364874]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.20556834566032,44.48611023851093]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.20979526430763,44.48619861405434]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1328.6,112.1 1415.6,70.0 1446.2,1859.6 98.5,1876.8 85.8,792.9 175.0,707.8 178.7,351.4 0.0,349.6 0.0,-0.0 1285.3,0.0 1328.6,112.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.22236123782159,44.4817947766322]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.22252667812973,44.48477103089009]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.2176138211541,44.48491200470236]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21744838084597,44.48193575044447]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"56.0,1829.9 49.1,104.7 1539.0,94.8 1540.5,1219.6 905.8,1227.8 947.8,1828.0 56.0,1829.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21787438262314,44.484791143332856]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21368456842907,44.484934129297166]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.2134485465306,44.48136389203566]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21763836072466,44.48122090607135]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1912 | sanborn08912_006 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T11:32:51Z","modified":"2026-09-22T11:32:51Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"182.9,138.8 1528.4,136.9 1507.0,1770.5 156.8,1775.0 182.9,138.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121912:08912_1912-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.2140276596408,44.48189575112644]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21423018689657,44.48489564229572]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.20927833728156,44.48506821922454]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.2090758100258,44.482068328055256]}}]}}]}