{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn08912_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Burlington, Vermont | 1885 | 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":"24"},{"label":"placed","value":"12"},{"label":"unplaced","value":"12"},{"label":"fit sources","value":"georef 6, georef-snap 6"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 14 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 44.47638,-73.20948 +/-245m); p13 (tier 4, 44.47676,-73.21215 +/-2448m); p15__1 (tier 3, 44.46839,-73.21705 +/-515m); p15__2 (tier 3, 44.46839,-73.21705 +/-515m); p15__3 (tier 3, 44.46839,-73.21705 +/-515m); p2__2 (tier 1, 44.47109,-73.21469 +/-100m); p4__2 (tier 1, 44.47649,-73.21306 +/-100m); p7__1 (tier 1, 44.48460,-73.21459 +/-212m); p7__2 (tier 1, 44.48386,-73.21472 +/-112m); p7__3 (tier 1, 44.48407,-73.21507 +/-180m); p8__1 (tier 1, 44.47099,-73.21368 +/-254m); p8__2 (tier 1, 44.47009,-73.21172 +/-145m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1885 | sanborn08912_001 p10","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"}],"created":"2026-09-22T11:41:50Z","modified":"2026-09-22T11:41:50Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,466.1 813.9,478.7 812.5,1849.1 1308.5,1851.7 1308.1,1913.0 -0.0,1913.0 -0.0,466.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[813.0,1531.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2171676,44.4769298]}},{"type":"Feature","properties":{"resourceCoords":[1423.0,1531.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2170886,44.4757689]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1885 | sanborn08912_001 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T11:41:50Z","modified":"2026-09-22T11:41:50Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 -0.0,1913.0 -0.0,357.3 117.7,356.9 115.6,23.0 1613.0,-0.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21704157415417,44.47598377995756]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21687375810122,44.47300875815435]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.22178379372484,44.4728657370203]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.22195160977779,44.47584075882351]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1885 | sanborn08912_001 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T11:41:50Z","modified":"2026-09-22T11:41:50Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"946.5,43.9 945.9,0.0 1613.0,0.0 1613.0,1436.6 1566.7,1437.6 1573.7,1913.0 -0.0,1913.0 -0.0,343.9 960.1,336.2 953.3,43.8 946.5,43.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21935065095792,44.47356774978244]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21523653488048,44.473663970061665]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.2150777382795,44.47015755634236]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21919185435695,44.47006133606313]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1885 | sanborn08912_001 p14","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"}],"created":"2026-09-22T11:41:50Z","modified":"2026-09-22T11:41:50Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0014","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:g089121885:08912_1885-0014/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21327697182274,44.468177001999685]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.2130889705963,44.4650994981653]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21820342721165,44.46494037954976]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21839142843808,44.46801788338414]}},{"type":"Feature","properties":{"resourceCoords":[517.0,654.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2149652,44.4671362]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0015__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 | 1885 | sanborn08912_001 p15 [4]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"2883.2"},{"label":"split_canvas_y","value":"4592.0"},{"label":"split_canvas_w","value":"3568.8"},{"label":"split_canvas_h","value":"3060.0"}],"created":"2026-09-22T11:41:50Z","modified":"2026-09-22T11:41:50Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0015__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1241.5 1158.2,1151.5 1142.4,1148.0 1142.3,1151.6 726.5,1152.0 720.8,1913.0 1613.0,1913.0 1613.0,1241.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0015__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1346.2,1690.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.1997447,44.4806205]}},{"type":"Feature","properties":{"resourceCoords":[987.5,1587.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2007248,44.4807623]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0002__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 | 1885 | sanborn08912_001 p2 [1]","metadata":[{"label":"streets","value":"4"},{"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":"4634.0"}],"created":"2026-09-22T11:41:50Z","modified":"2026-09-22T11:41:50Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,0.0 -0.0,-0.0 0.0,793.9 826.0,793.9 827.8,1158.5 1613.0,1155.0 1613.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[452.0,411.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.1866591,44.488446]}},{"type":"Feature","properties":{"resourceCoords":[452.0,661.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.186727,44.4879354]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0002__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 | 1885 | sanborn08912_001 p2 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4620.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3032.0"}],"created":"2026-09-22T11:41:50Z","modified":"2026-09-22T11:41:50Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0002__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1155.0 827.8,1158.5 703.1,1159.0 692.5,1371.2 650.0,1370.0 634.5,1808.5 -0.0,1777.1 -0.0,1913.0 1613.0,1913.0 1613.0,1155.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0002__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[650.0,1370.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2152354,44.4710262]}},{"type":"Feature","properties":{"resourceCoords":[1356.0,1370.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.213277,44.4711414]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1885 | sanborn08912_001 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T11:41:50Z","modified":"2026-09-22T11:41:50Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1249.3,1732.0 1249.2,1776.0 -0.0,1780.5 -0.0,-0.0 1613.0,0.0 1613.0,1913.0 1576.0,1913.0 1575.2,1730.7 1249.3,1732.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.2146159226406,44.481508863708676]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.2103595987467,44.48164624513839]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21013284101356,44.47801912618014]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21438916490746,44.47788174475043]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0004__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 | 1885 | sanborn08912_001 p4 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"},{"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":"2026-09-22T11:41:50Z","modified":"2026-09-22T11:41:50Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"98.0,642.1 107.9,1878.0 -0.0,1878.2 -0.0,1913.0 1040.6,1913.0 1040.6,1473.1 1613.0,1474.0 1613.0,0.0 1478.1,0.0 1434.2,0.0 1396.9,0.0 1281.9,0.0 1281.6,45.1 12.4,44.7 -0.0,-0.0 -0.0,641.9 98.0,642.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1273.0,640.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2110555,44.4771448]}},{"type":"Feature","properties":{"resourceCoords":[691.0,1259.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.2124878,44.4759449]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1885 | sanborn08912_001 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T11:41:50Z","modified":"2026-09-22T11:41:50Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"332.6,1271.0 -0.0,1272.1 -0.0,644.9 1520.3,639.5 1534.7,1876.5 1425.9,1877.3 1426.1,1912.2 353.4,1913.0 332.8,1885.3 332.6,1271.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21808870542529,44.478095321852344]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21393250514505,44.47822586536981]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21371704628477,44.474683864815255]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.217873246565,44.47455332129779]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1885 | sanborn08912_001 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T11:41:50Z","modified":"2026-09-22T11:41:50Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1429.7,1.8 1433.6,1539.2 -0.0,1547.5 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.2184128990566,44.48139653577389]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21412936895027,44.481527033215556]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21391397407932,44.477876723880875]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21819750418565,44.47774622643921]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Burlington, Vermont | 1885 | sanborn08912_001 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T11:41:50Z","modified":"2026-09-22T11:41:50Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1271.8,191.3 1613.0,192.4 1613.0,1913.0 -0.0,1913.0 -0.0,159.2 1271.9,171.5 1271.8,191.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd375m:g3754m:g3754bm:g089121885:08912_1885-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21795656061522,44.48090968713147]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.21773159313635,44.47780401785374]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.22285767707517,44.477612305349965]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-73.22308264455404,44.480717974627694]}}]}}]}