{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn03830_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Revere, Massachusetts | 1906 | 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":"86"},{"label":"placed","value":"76"},{"label":"unplaced","value":"10"},{"label":"fit sources","value":"georef 42, georef-snap 29, snap:0 4, georef:misscale 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"14 sheet(s) cut into 29 panels"},{"label":"unplaced pages","value":"p0 (tier 1, 42.41798,-71.00087 +/-252m); p24 (tier 1, 42.42223,-70.98357 +/-257m); p33__2 (tier 2, 42.39836,-70.98683 +/-737m); p40__2 (tier 1, 42.42652,-70.98170 +/-137m); p41__2 (tier 1, 42.39913,-70.98472 +/-100m); p41__3 (tier 1, 42.39971,-70.98504 +/-200m); p42__2 (tier 1, 42.38880,-70.97779 +/-127m); p5__1 (tier 1, 42.41036,-71.02242 +/-100m); p65__2 (tier 1, 42.38036,-70.99064 +/-100m); p69 (tier 3, 42.36021,-70.97106 +/-558m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p1","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0001/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0001/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3429.5,7916.0 3416.0,7520.0 -0.0,7522.8 -0.0,-0.0 6780.0,0.0 6780.0,1186.2 5726.3,1180.9 5744.6,3030.2 6242.1,3026.5 6267.4,7510.5 5710.7,7516.9 5712.6,7916.0 3429.5,7916.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3416.0,7520.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.023505,42.41302]}},{"type":"Feature","properties":{"resourceCoords":[1936.0,3016.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.02339,42.415123]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p10 [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":"6764.0"},{"label":"split_canvas_h","value":"7916.0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0010__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0010/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3620.0,7916.0 3636.4,4626.8 4316.8,4086.0 4325.2,1484.4 6764.0,1481.2 6764.0,-0.0 4201.6,-0.0 4083.2,-0.0 82.2,-0.0 1598.8,4581.2 1477.4,5474.5 596.3,6848.8 1648.1,7833.7 1371.5,7916.0 3620.0,7916.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2712.0,784.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.009308,42.406736]}},{"type":"Feature","properties":{"resourceCoords":[4640.0,5608.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.010983,42.404923]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0010__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p10 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"3620.0"},{"label":"split_canvas_y","value":"1481.2"},{"label":"split_canvas_w","value":"3144.0"},{"label":"split_canvas_h","value":"6434.8"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0010__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0010/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6764.0,7916.0 6764.0,1481.2 4325.2,1484.4 4316.8,4086.0 3636.4,4626.8 3620.0,7916.0 6764.0,7916.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0010__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[3620.0,1481.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.00524025849056,42.40458799817474]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,1481.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.00442940609616,42.40581487003765]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.00105628011936,42.40458213121835]}},{"type":"Feature","properties":{"resourceCoords":[3620.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.00186713251375,42.40335525935544]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0011/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0011/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"572.5,1014.6 6072.3,126.0 6764.0,3036.0 6764.0,7916.0 6078.2,7916.0 5984.2,7052.8 4347.0,7916.0 3803.4,7916.0 3106.4,7216.4 718.4,7133.2 572.5,1014.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.01337863960529,42.409574853650206]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0110592959939,42.41206810641801]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0071350314096,42.410049844636575]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.009454375021,42.40755659186877]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0012/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0012/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1024.4,2899.9 1804.3,2248.9 1860.4,1734.4 1173.8,0.0 6764.0,0.0 6764.0,7916.0 4726.9,7916.0 606.8,5775.4 1024.4,2899.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.00844828620959,42.41023144396495]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.00489011626176,42.40879779305978]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0071465531644,42.405701434260266]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.01070472311223,42.407135085165436]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0013/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0013/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"250.1,7916.0 818.7,4134.3 960.0,3967.9 670.3,440.1 3224.2,396.2 3184.4,0.0 5149.1,0.0 5161.5,385.0 6764.0,367.5 6764.0,7916.0 250.1,7916.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.01164754230015,42.411599215330035]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.00986344372619,42.414304400693766]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.00560544332784,42.41275196167176]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0073895419018,42.41004677630803]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p14","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"17"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0014/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0014/info.json","type":"ImageService2","height":7916,"width":6772},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6772.0,0.0 6772.0,7215.1 571.4,7159.8 582.9,6158.4 532.0,6135.6 625.9,2410.0 67.7,2119.4 121.5,937.2 693.6,804.9 735.3,0.0 6772.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3900.0,1080.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0062598,42.4160134]}},{"type":"Feature","properties":{"resourceCoords":[532.0,6136.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.009403,42.414643]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p15","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0015/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0015/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7916.0 -0.0,1010.7 5828.0,857.1 5806.1,1576.0 5609.1,2209.8 6764.0,2441.6 6764.0,7916.0 -0.0,7916.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0015/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.01742778166322,42.40820879982451]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.01357570939119,42.407054310419056]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.01539271229504,42.40370208565249]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.01924478456706,42.40485657505794]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p16","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"19"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0016/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0016/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"75.3,7347.1 106.4,7699.7 -0.0,7709.7 -0.0,-0.0 4893.1,0.0 4874.9,336.5 6286.6,412.6 6203.2,1868.8 5917.0,1933.4 5853.2,2496.6 6165.0,2670.7 6111.3,5846.8 5919.2,5850.3 5910.6,6834.8 75.3,7347.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6108.0,4532.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.009403,42.414643]}},{"type":"Feature","properties":{"resourceCoords":[6108.0,7168.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0107649,42.4125313]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p17","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"19"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0017/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0017/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"579.4,3130.9 915.3,3131.9 919.5,1729.3 573.0,1767.6 589.7,0.0 5440.9,0.0 6035.9,4978.9 566.2,5227.5 579.4,3130.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3752.0,6156.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0062598,42.4160134]}},{"type":"Feature","properties":{"resourceCoords":[576.0,960.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.006457,42.418731]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p18","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"8"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0018/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0018/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5890.1,0.0 5747.9,3187.5 5868.0,3300.0 6764.0,3015.9 6764.0,7916.0 1211.9,7916.0 1300.0,6641.2 772.1,6604.7 722.1,0.0 5890.1,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[764.0,2724.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0038616,42.4175528]}},{"type":"Feature","properties":{"resourceCoords":[3464.0,596.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0019258,42.4179741]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0019__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p19 [1]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"13"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6764.0"},{"label":"split_canvas_h","value":"7916.0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0019__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0019/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"383.0,6765.8 500.0,6874.0 1365.9,6593.4 1374.3,7916.0 1508.0,7916.0 3492.0,7916.0 3500.0,4683.2 6764.0,4678.4 6764.0,4054.9 6390.6,4062.6 6374.3,3275.0 6764.0,2910.3 5707.8,0.0 -0.0,0.0 -0.0,3681.6 383.0,6765.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0019__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3936.0,676.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.997858,42.418487]}},{"type":"Feature","properties":{"resourceCoords":[500.0,6876.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0012056,42.4164989]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0019__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p19 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3492.0"},{"label":"split_canvas_y","value":"4678.4"},{"label":"split_canvas_w","value":"3272.0"},{"label":"split_canvas_h","value":"3237.6"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0019__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0019/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6415.3,4678.9 3500.0,4683.2 3492.0,7916.0 6764.0,7916.0 6764.0,6456.9 6403.4,6497.8 6415.3,4678.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0019__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6404.0,7016.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.006835,42.418218]}},{"type":"Feature","properties":{"resourceCoords":[6404.0,5657.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.006457,42.418731]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p2","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"15"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0002/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"480.6,7490.0 499.8,2984.6 -0.0,2983.2 -0.0,1125.0 1058.4,1141.1 1069.7,0.0 5801.2,0.0 5688.3,1161.0 6780.0,1163.9 6768.0,3028.7 6430.3,3026.1 6404.8,7534.7 480.6,7490.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5312.0,1160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.017888,42.414484]}},{"type":"Feature","properties":{"resourceCoords":[4920.0,7516.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.019404,42.4119022]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0020__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p20 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5371.2"},{"label":"split_canvas_w","value":"4085.2"},{"label":"split_canvas_h","value":"2544.8"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0020__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0020/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7916.0 4085.2,7916.0 3166.0,5371.2 1473.3,6055.8 1594.9,6363.2 -0.0,7025.7 -0.0,7916.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0020__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1596.5,6362.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.995954,42.417082]}},{"type":"Feature","properties":{"resourceCoords":[440.1,6849.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.99675,42.417063]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0020__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p20 [2]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"11"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6764.0"},{"label":"split_canvas_h","value":"7916.0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0020__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0020/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 -0.0,6181.5 2976.5,4969.4 3318.5,4985.6 4282.8,7916.0 5504.1,7467.4 5159.2,6425.2 5893.4,6444.8 5699.9,3904.4 6764.0,3471.1 6764.0,0.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0020__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5504.0,7468.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.995954,42.417082]}},{"type":"Feature","properties":{"resourceCoords":[1132.0,5724.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.99812,42.418483]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p21","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0021/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0021/info.json","type":"ImageService2","height":7916,"width":6768},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6768.0,6518.1 5419.6,6251.9 5494.9,6474.2 1429.6,7735.8 0.0,7750.3 0.0,6780.4 0.0,6780.4 0.0,2185.4 658.8,2253.8 881.8,0.0 3458.7,0.0 3817.8,1113.2 6768.0,1339.3 6768.0,6518.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0021/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99565997825759,42.41707868595013]}},{"type":"Feature","properties":{"resourceCoords":[6768.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99459267012504,42.41999627453921]}},{"type":"Feature","properties":{"resourceCoords":[6768.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99000262700403,42.41906818906409]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99106993513658,42.416150600475014]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p22","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0022/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0022/info.json","type":"ImageService2","height":7916,"width":6792},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1116.4,6541.3 332.2,1701.5 103.1,1750.4 522.9,445.0 -0.0,384.0 0.0,0.0 6792.0,0.0 6792.0,7916.0 798.0,7916.0 1116.4,6541.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0022/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99108475929765,42.4194639716099]}},{"type":"Feature","properties":{"resourceCoords":[6792.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98703931153159,42.41901143895155]}},{"type":"Feature","properties":{"resourceCoords":[6792.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98774872805022,42.415506088490815]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99179417581628,42.415958621149166]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0023__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p23 [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":"4436.0"},{"label":"split_canvas_h","value":"7916.0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0023__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0023/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4436.0,7916.0 4436.0,7144.0 4436.0,2199.1 161.6,2706.5 213.6,2218.1 -0.0,2218.4 -0.0,7916.0 4436.0,7916.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0023__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2484.0,7580.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9905704,42.4128031]}},{"type":"Feature","properties":{"resourceCoords":[3344.0,7512.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.989899,42.412709]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0023__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p23 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"4436.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2328.0"},{"label":"split_canvas_h","value":"7916.0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0023__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0023/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6666.3,7916.0 6764.0,7916.0 6764.0,7144.0 6764.0,0.0 4437.6,0.0 4436.0,-0.0 4436.0,6335.3 6301.1,5984.7 6666.3,7916.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0023__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[4436.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9869142826333,42.42180158949536]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98558806130175,42.42145950556968]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98715882261342,42.41813143168372]}},{"type":"Feature","properties":{"resourceCoords":[4436.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98848504394496,42.4184735156094]}},{"type":"Feature","properties":{"resourceCoords":[5182.7,6892.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9878569,42.4187936]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p25","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0025/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0025/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"401.8,7916.0 966.9,0.0 6764.0,0.0 6764.0,6464.3 6583.2,6511.6 6764.0,7155.2 5406.5,7916.0 401.8,7916.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0025/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99882705203035,42.41058150334088]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99702893691077,42.41328416837074]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99275040576367,42.41172849151581]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99454852088326,42.40902582648595]}},{"type":"Feature","properties":{"resourceCoords":[384.0,4620.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9962279,42.409827]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p26","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0026/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0026/info.json","type":"ImageService2","height":7916,"width":6792},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1540.8,7916.0 1521.0,4840.9 465.2,4944.7 1075.6,2626.0 678.1,1107.0 -0.0,1120.4 0.0,0.0 6792.0,0.0 6792.0,7916.0 1540.8,7916.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0026/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9934241160034,42.41241668121189]}},{"type":"Feature","properties":{"resourceCoords":[6792.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98947454670024,42.4118154221951]}},{"type":"Feature","properties":{"resourceCoords":[6792.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99041702355457,42.40839281653462]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99436659285773,42.40899407555141]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p27","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0027/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0027/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5386.9,5387.6 5825.9,5449.1 6152.2,6987.6 2076.0,7848.5 2076.0,7234.2 0.0,7511.2 0.0,-0.0 6128.9,0.0 5386.9,5387.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0027/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2076.0,4928.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9991372,42.4060186]}},{"type":"Feature","properties":{"resourceCoords":[2076.0,7848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9975058,42.4055411]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p28","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0028/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0028/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,5826.8 -0.0,-0.0 2287.6,0.0 4190.4,1007.1 5354.9,1169.9 6764.0,578.1 6764.0,7916.0 6576.2,7916.0 6445.7,5817.7 4917.1,5956.3 967.1,7293.3 439.0,5827.8 0.0,5826.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0028/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2292.0,4280.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9982803,42.4085458]}},{"type":"Feature","properties":{"resourceCoords":[440.0,5828.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.998016,42.407481]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p29","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"15"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0029/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0029/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3222.3,487.6 4320.2,905.3 4591.6,0.0 6105.4,0.0 6027.7,1409.0 6764.0,1640.9 6764.0,1928.8 6025.4,1980.7 5968.0,6242.7 6764.0,6319.4 4544.2,7916.0 3504.1,7916.0 3058.9,7644.5 667.2,6981.9 672.3,5663.2 767.0,1467.2 1154.5,0.0 3222.3,487.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0029/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2620.0,4300.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.99579,42.40782]}},{"type":"Feature","properties":{"resourceCoords":[2620.0,7596.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.996117,42.406373]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p3","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0003/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"557.7,7065.6 542.9,2565.8 879.9,2565.4 910.2,703.9 -0.0,709.7 -0.0,-0.0 5689.0,0.0 5681.4,6799.8 3522.8,6783.4 3524.0,7068.0 557.7,7065.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3524.0,7068.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0169056,42.4112118]}},{"type":"Feature","properties":{"resourceCoords":[2036.0,2564.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0167995,42.4133105]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p30","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0030/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0030/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1622.5 442.6,0.0 1499.9,0.0 5020.1,3168.9 6618.9,3239.3 6764.0,7916.0 6004.3,5402.3 5428.7,5564.5 5452.4,6001.7 2199.0,7916.0 1277.8,7916.0 -0.0,1622.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0030/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99400235710718,42.41026838348485]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99002863887337,42.40979775028237]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99076937672244,42.40633979423365]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99474309495625,42.40681042743613]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p31","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"9"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0031/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0031/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6124.9,7165.3 5858.2,7916.0 -0.0,7916.0 -0.0,2837.6 602.8,2918.0 390.6,110.9 2810.8,578.4 3273.0,812.1 4302.9,730.2 4501.9,566.4 4880.0,243.9 5467.5,971.7 5724.2,1082.1 6493.6,3525.2 6626.7,4717.4 6509.0,5814.9 6764.0,5722.4 6764.0,7325.1 6124.9,7165.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0031/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1364.0,6560.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9975924,42.4038743]}},{"type":"Feature","properties":{"resourceCoords":[1564.0,3048.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9969574,42.4053806]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p32","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0032/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0032/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"744.5,2981.9 447.7,2087.2 3870.2,852.3 3831.4,293.1 5371.9,252.9 6075.0,424.2 6170.2,0.0 6764.0,0.0 6764.0,7916.0 -0.0,7916.0 660.8,6387.9 814.0,5579.0 948.5,3177.3 744.5,2981.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0032/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99500479725859,42.407139790998116]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99098048584798,42.40749069709407]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9904282131835,42.40398855858465]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99445252459411,42.4036376524887]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0033__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p33 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1855.2"},{"label":"split_canvas_w","value":"6764.0"},{"label":"split_canvas_h","value":"6060.8"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0033__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0033/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7782.0 5778.7,7916.0 6393.7,7495.6 6764.0,6948.7 6764.0,4566.0 0.0,1855.2 -0.0,7782.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0033__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[412.0,6652.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9854973,42.3956841]}},{"type":"Feature","properties":{"resourceCoords":[2932.0,5929.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9841696,42.3954959]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0034/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p34","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0034/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0034/info.json","type":"ImageService2","height":7916,"width":6800},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6800.0,6536.9 6800.0,7916.0 3265.8,7136.7 1067.1,7177.3 992.3,4845.3 -0.0,5679.8 0.0,0.0 3734.8,0.0 5878.4,1488.0 6800.0,1594.4 6800.0,5960.7 6615.3,5883.8 6379.6,6449.8 6800.0,6536.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0034/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99151339767211,42.402305348340654]}},{"type":"Feature","properties":{"resourceCoords":[6800.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98742511526281,42.40197049496073]}},{"type":"Feature","properties":{"resourceCoords":[6800.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9879492890291,42.39843122215514]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9920375714384,42.398766075535065]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p35","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"7"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0035/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0035/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 6780.0,0.0 6780.0,413.8 6378.0,383.0 5670.1,3181.6 6355.5,3015.1 6780.0,3067.5 6780.0,4223.8 6305.7,4982.5 6056.8,7916.0 4539.9,7916.0 4931.9,6081.3 0.0,5775.4 0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0035/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3196.0,6600.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.990854,42.395913]}},{"type":"Feature","properties":{"resourceCoords":[6012.0,1836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9927176,42.3979468]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p36","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0036/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0036/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1349.6,4725.4 1793.7,3790.3 1717.6,2640.1 1293.5,2613.5 625.4,2820.3 1141.5,0.0 6770.3,0.0 5099.0,697.9 6257.1,1295.0 4123.5,2267.3 4950.0,4071.4 5507.7,6913.7 4014.0,6915.2 4097.1,7916.0 2719.2,7916.0 2751.8,7363.9 1321.5,7258.1 1349.6,4725.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0036/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99374243491765,42.39791994396461]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99176734336365,42.40057548007363]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98759827448507,42.39886052575558]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98957336603907,42.39620498964656]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0037/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p37","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0037/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0037/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5045.1,0.0 4779.5,1856.6 6288.0,1762.7 6262.1,7916.0 3211.9,7916.0 3217.6,6943.5 1699.3,6951.2 1711.2,7916.0 0.0,7916.0 0.0,-0.0 5045.1,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0037/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9921578385653,42.3947410063292]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99018490173304,42.39738385626891]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98603595310892,42.39567068882933]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98800888994118,42.393027838889616]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0038/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p38","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0038/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0038/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2045.0,448.8 2011.7,1002.6 3394.7,1027.7 3311.6,0.0 4810.1,0.0 4960.3,959.4 6243.8,425.0 6161.9,0.0 6780.0,0.0 6780.0,7916.0 5663.9,7916.0 5629.7,7025.0 563.5,7190.4 610.3,341.2 2045.0,448.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0038/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9898910336464,42.396700234392334]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98792578948601,42.399348944474404]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98376751873303,42.39764250708303]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98573276289342,42.39499379700096]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0039/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p39","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0039/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0039/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3167.2,979.4 6239.3,995.1 6297.8,6355.3 6221.4,6103.7 128.3,7594.4 208.2,7916.0 0.0,7916.0 0.0,963.3 1655.8,971.7 1648.7,0.0 3178.0,0.0 3167.2,979.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0039/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98849205385791,42.39325910967945]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9865511420444,42.39589052683781]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98242023915623,42.394205127947956]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98436115096973,42.391573710789594]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0004/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 6423.5,0.0 5825.1,7040.8 -0.0,7042.8 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.01420366144872,42.41382270291775]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.01039256785556,42.41275666104919]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.01207051818221,42.409440396644634]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.01588161177537,42.410506438513195]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0040__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p40 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6780.0"},{"label":"split_canvas_h","value":"7916.0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0040__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0040/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7916.0 4416.0,7916.0 5584.0,7916.0 6780.0,7916.0 6780.0,5100.4 5373.6,5100.0 5152.8,4380.8 4636.0,0.0 1562.9,0.0 1430.7,624.1 1098.2,957.5 518.0,1263.9 -0.0,1290.6 -0.0,7916.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0040__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3392.0,2644.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9818629,42.3934612]}},{"type":"Feature","properties":{"resourceCoords":[3976.0,4268.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9817799,42.3927413]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0041__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p41 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3492.8"},{"label":"split_canvas_h","value":"7916.0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0041__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0041/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1552.3 0.0,7916.0 916.0,7916.0 1600.0,7916.0 3492.8,7916.0 2658.4,3552.4 2576.8,3144.0 2260.4,3144.0 2247.6,0.0 1285.0,0.0 0.0,1552.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0041__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":[-70.9884725784112,42.40102218416524]}},{"type":"Feature","properties":{"resourceCoords":[3492.8,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98833511859586,42.402528333579774]}},{"type":"Feature","properties":{"resourceCoords":[3492.8,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98374393504102,42.40229660358153]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98388139485635,42.400790454167]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0042__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p42 [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":"6780.0"},{"label":"split_canvas_h","value":"7916.0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0042__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0042/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6780.0,7916.0 6780.0,4480.4 5211.2,4490.4 3858.8,1706.8 4588.0,0.0 -0.0,-0.0 0.0,7916.0 1188.2,7916.0 1194.4,6872.2 1916.7,6745.6 2504.5,7851.7 6780.0,7916.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0042__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2728.0,7976.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9771349,42.3882547]}},{"type":"Feature","properties":{"resourceCoords":[1172.0,5300.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9788382,42.3883485]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0043/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p43","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0043/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0043/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1008.8 -0.0,-0.0 5426.4,0.0 5641.5,3495.3 5785.8,3820.6 5648.5,3607.9 5870.2,7210.1 4500.1,7553.0 3895.8,7322.9 787.4,7681.0 814.5,7916.0 -0.0,7916.0 -0.0,7339.2 759.5,7467.7 948.9,6390.4 -0.0,6224.0 -0.0,5549.6 1117.4,5110.2 1840.7,1320.1 -0.0,1008.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0043/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9765660572538,42.3905042541493]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9728892969158,42.38924820532237]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.97486091897748,42.38605519473411]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9785376793155,42.387311243561044]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0044/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p44","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0044/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0044/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6780.0,0.0 6780.0,7916.0 655.4,7916.0 620.8,7200.6 -0.0,7302.1 -0.0,3677.6 123.9,3899.9 -0.0,3564.3 -0.0,-0.0 6780.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0044/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3172.0,2940.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9724719,42.3878047]}},{"type":"Feature","properties":{"resourceCoords":[1860.0,5844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9738275,42.3868148]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0045/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p45","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0045/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0045/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5647.4,5338.0 6780.0,5346.0 6780.0,7378.0 1310.4,7166.5 980.4,7916.0 -0.0,7916.0 -0.0,-0.0 3097.7,0.0 3666.0,294.8 5672.2,42.8 5647.4,5338.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0045/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.97805212960591,42.3872601462722]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9741675394119,42.3863159824412]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.97564951847974,42.38294231179191]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.97953410867376,42.38388647562291]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0046/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p46","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0046/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0046/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,5321.1 -0.0,709.3 6092.9,976.8 6140.4,0.0 6780.0,0.0 6780.0,7916.0 6439.8,7916.0 6327.0,7540.2 1147.7,7365.7 1138.1,5323.8 -0.0,5321.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0046/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.97481026456875,42.38645201569529]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9709505360296,42.38549898793691]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.97244640971509,42.38214686781994]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.97630613825423,42.38309989557832]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0047/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p47","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0047/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0047/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3072.8,7916.0 212.9,6703.3 809.7,1543.8 5353.2,330.3 6174.8,3426.5 6488.2,6259.1 6641.8,6782.9 6780.0,6742.4 6780.0,7916.0 3072.8,7916.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0047/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9785037521096,42.38480083636043]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.97515558432693,42.383039599669395]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.97791994320967,42.38013167805071]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98126811099235,42.38189291474174]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0048/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p48","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0048/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0048/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6651.4,588.5 6508.0,6565.5 6130.9,6682.6 6134.2,7025.0 6780.0,7018.8 6780.0,7916.0 2451.2,7916.0 3405.3,7529.5 395.5,1967.6 0.0,2182.8 0.0,-0.0 3401.7,504.1 6651.4,588.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0048/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.97759247350089,42.38058381033728]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.97628245780685,42.38342743733611]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.97181929949998,42.382289655439244]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.97312931519403,42.37944602844041]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0049/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p49","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0049/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0049/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7916.0 -0.0,-0.0 6271.5,0.0 6156.0,1021.3 6780.0,0.0 6780.0,5809.5 6748.4,5681.0 182.5,7295.3 335.1,7916.0 -0.0,7916.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0049/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5976.0,5080.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9723568,42.3786837]}},{"type":"Feature","properties":{"resourceCoords":[5976.0,2240.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9726406,42.3799272]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0050/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p50","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0050/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0050/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 6780.0,0.0 6780.0,7916.0 5760.4,7916.0 5747.7,7688.4 -0.0,7848.6 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0050/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5700.0,4512.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9713603,42.3764545]}},{"type":"Feature","properties":{"resourceCoords":[1688.0,264.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9745779,42.3774754]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0051/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p51","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0051/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0051/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5781.4,486.1 5788.4,713.5 6780.0,738.1 6780.0,7554.6 2830.4,6817.3 2775.9,6386.7 585.4,5747.8 -0.0,7739.5 -0.0,1663.5 571.8,904.8 42.5,503.5 5781.4,486.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0051/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2528.0,3624.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9715623,42.3733011]}},{"type":"Feature","properties":{"resourceCoords":[5952.0,4536.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9694662,42.3735718]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0052/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p52","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0052/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0052/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6397.6,7861.7 1294.0,6547.7 543.1,6116.1 -0.0,7089.7 -0.0,-0.0 2297.1,0.0 2472.0,398.1 6780.0,0.0 6780.0,7584.7 6159.3,7343.0 6397.6,7861.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0052/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.97208522599618,42.37208441750255]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9680851654583,42.372528243098465]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.96738868848803,42.36905348695302]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9713887490259,42.368609661357105]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0053/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p53","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0053/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0053/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5890.5,1087.7 5761.7,1938.6 6277.0,7049.3 6430.9,7111.5 6780.0,6728.1 6780.0,7916.0 0.0,7916.0 0.0,-0.0 6780.0,0.0 6780.0,162.2 4793.2,936.0 5890.5,1087.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0053/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.97264690293497,42.36697715658836]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.97174518734013,42.369930369277306]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.96711101893612,42.36914703942436]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.96801273453096,42.36619382673542]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0054/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p54","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0054/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0054/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4563.0,299.1 4556.6,1107.2 6335.4,1302.1 6780.0,363.7 6780.0,7916.0 0.0,7916.0 0.0,340.6 1071.2,520.8 4563.0,299.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0054/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9788216107452,42.37182618091837]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9779557089825,42.37478472873141]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.97331280643408,42.37403256942883]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.97417870819677,42.37107402161578]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0055/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p55","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0055/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0055/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,3423.0 623.9,2983.2 780.5,2011.2 3136.6,0.0 6344.4,4494.7 6353.0,4671.3 6393.0,4858.7 6780.0,4816.4 6780.0,7916.0 479.1,7817.7 319.4,6950.4 432.4,4655.7 -0.0,4640.2 -0.0,3423.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0055/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98446764080056,42.37477118476381]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98039821852153,42.37441247838486]}},{"type":"Feature","properties":{"resourceCoords":[6780.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98096114130844,42.37087759401146]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98503056358747,42.37123630039041]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0056__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p56 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"14"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6780.0"},{"label":"split_canvas_h","value":"7916.0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0056__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0056/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5991.4,2912.1 6780.0,2789.0 6678.3,1013.8 5690.8,728.1 6780.0,549.2 6780.0,0.0 3018.3,0.0 3331.0,256.9 2259.5,94.4 1910.0,2806.3 1774.1,2788.7 177.8,5439.2 2592.2,7440.2 2795.3,7839.6 3156.2,7699.8 3214.1,7916.0 6030.8,7916.0 6246.4,7916.0 6780.0,7916.0 6780.0,7492.0 6780.0,6300.3 5991.4,2912.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0056__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1628.0,6640.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9813668,42.3729582]}},{"type":"Feature","properties":{"resourceCoords":[176.0,5440.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9819151,42.3736995]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0056__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p56 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1850.0"},{"label":"split_canvas_h","value":"2729.6"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0056__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0056/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1850.0,0.0 0.0,0.0 0.0,2725.6 1322.4,2729.6 1704.4,897.2 1850.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0056__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98125091200441,42.37163957278345]}},{"type":"Feature","properties":{"resourceCoords":[1850.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98130050409361,42.37246680737073]}},{"type":"Feature","properties":{"resourceCoords":[1850.0,2729.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.97965911900756,42.372521272106866]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2729.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.97960952691837,42.37169403751959]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0057/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p57","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"6"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0057/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0057/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6780.0,7916.0 0.0,7916.0 0.0,-0.0 2387.1,0.0 2386.4,384.6 6780.0,414.9 6780.0,2421.7 6359.8,2424.0 6780.0,5760.5 5888.1,6023.4 5891.6,7157.0 6602.2,6989.0 6780.0,6946.9 6780.0,7916.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0057/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6360.0,2424.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9875298,42.3713899]}},{"type":"Feature","properties":{"resourceCoords":[6704.0,4732.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9860949,42.3713805]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0058/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p58","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"14"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0058/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0058/info.json","type":"ImageService2","height":7916,"width":6780},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"913.1,2454.3 919.3,424.8 5827.8,492.2 6780.0,745.2 6780.0,2997.8 5515.3,3966.9 5515.3,4455.4 4496.0,4747.9 4190.8,4981.8 5277.3,6399.8 4059.9,6445.6 4059.9,6875.7 1760.8,6849.8 0.0,7240.7 0.0,6094.2 902.0,5824.2 488.2,2455.4 913.1,2454.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0058/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4060.0,1520.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9877559,42.37304]}},{"type":"Feature","properties":{"resourceCoords":[4060.0,456.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9883964,42.3731138]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0059/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p59","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"13"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0059/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0059/info.json","type":"ImageService2","height":7916,"width":6748},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2395.0 547.7,2434.3 703.3,269.6 -0.0,219.1 24.5,0.0 3287.1,0.0 4723.2,781.8 6229.3,889.4 6253.6,6890.3 3243.5,7215.0 2524.5,7916.0 -0.0,7916.0 -0.0,7534.8 384.5,6556.2 -0.0,6261.6 -0.0,2395.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0059/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4176.0,3704.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9846524,42.37544]}},{"type":"Feature","properties":{"resourceCoords":[6244.0,3704.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9835387,42.3758885]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p5 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6764.0"},{"label":"split_canvas_h","value":"7916.0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0005__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0005/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3530.3,863.1 3520.0,472.0 628.4,454.5 148.1,448.7 151.5,0.0 -0.0,-0.0 0.0,6021.2 2287.6,6050.0 2289.6,7916.0 6764.0,7916.0 6764.0,5142.1 5771.0,5128.2 5783.9,880.5 3530.3,863.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3520.0,472.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.023505,42.41302]}},{"type":"Feature","properties":{"resourceCoords":[3520.0,3452.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.024127,42.411761]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p6","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0006/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1007.8,7916.0 999.5,5176.6 -0.0,5165.6 -0.0,493.6 6412.7,502.6 6399.9,3501.0 5848.2,3499.7 5819.5,7916.0 1007.8,7916.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1888.0,492.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0211394,42.412374]}},{"type":"Feature","properties":{"resourceCoords":[4944.0,492.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.019404,42.4119022]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0060/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p60","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0060/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0060/info.json","type":"ImageService2","height":7916,"width":6748},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4045.8,0.0 4575.0,270.9 4676.8,0.0 6748.0,0.0 6748.0,6913.2 6188.9,5974.6 3852.4,7418.3 3779.2,7301.2 692.7,7733.6 703.0,5425.1 703.2,5380.1 710.7,21.8 4045.8,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0060/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98454205741517,42.376575585039085]}},{"type":"Feature","properties":{"resourceCoords":[6748.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98099196149063,42.37804429574505]}},{"type":"Feature","properties":{"resourceCoords":[6748.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.97867605294891,42.37494604639486]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98222614887345,42.3734773356889]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0061/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p61","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0061/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0061/info.json","type":"ImageService2","height":7916,"width":6748},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 5398.7,0.0 6748.0,2245.2 6748.0,3878.8 5941.8,7100.5 1906.4,7676.6 1848.6,7291.6 0.0,7568.6 -0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0061/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99394853083028,42.369981834678505]}},{"type":"Feature","properties":{"resourceCoords":[6748.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99270714399637,42.37288920873345]}},{"type":"Feature","properties":{"resourceCoords":[6748.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98812306335688,42.37180573791211]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98936445019079,42.36889836385717]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0062/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p62","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0062/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0062/info.json","type":"ImageService2","height":7916,"width":6756},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 4686.1,0.0 4207.2,402.8 6756.0,4218.7 6756.0,7916.0 6304.6,7916.0 6244.8,7147.9 5270.3,6964.8 0.0,7291.4 0.0,3851.6 1061.7,4104.2 1187.8,2456.5 0.0,1835.9 0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0062/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99300677019082,42.37231686453475]}},{"type":"Feature","properties":{"resourceCoords":[6756.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99207661779631,42.37525565845126]}},{"type":"Feature","properties":{"resourceCoords":[6756.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9874483017107,42.374444823391535]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9883784541052,42.37150602947503]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0063__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p63 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6748.0"},{"label":"split_canvas_h","value":"7916.0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0063__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0063/info.json","type":"ImageService2","height":7916,"width":6748},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5560.7,3296.1 6748.0,1114.5 6748.0,-0.0 3968.4,0.0 3057.6,1408.4 0.0,1414.8 -0.0,7916.0 5989.3,7823.0 5560.7,3296.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0063__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3924.0,6392.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9916819,42.3751675]}},{"type":"Feature","properties":{"resourceCoords":[2132.0,2384.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9896231,42.3764135]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0063__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p63 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3968.4"},{"label":"split_canvas_h","value":"1414.8"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0063__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0063/info.json","type":"ImageService2","height":7916,"width":6748},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1337.8 3064.8,1397.3 3968.4,0.0 -0.0,0.0 0.0,1337.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0063__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98753093128235,42.37605321303223]}},{"type":"Feature","properties":{"resourceCoords":[3968.4,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98697919296536,42.375158223317904]}},{"type":"Feature","properties":{"resourceCoords":[3968.4,1414.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.98741151569891,42.37501276910775]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1414.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9879632540159,42.37590775882207]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0064/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p64","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0064/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0064/info.json","type":"ImageService2","height":7916,"width":6748},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,2753.3 -0.0,0.0 6145.6,0.0 6748.0,7022.4 5451.3,6537.1 5467.7,7916.0 1653.7,7916.0 1635.7,7369.1 0.0,4512.9 631.9,4141.7 0.0,2753.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0064/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5200.0,3768.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9846014,42.3790541]}},{"type":"Feature","properties":{"resourceCoords":[4124.0,6040.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9832212,42.3785721]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0065__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p65 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6772.0"},{"label":"split_canvas_h","value":"7916.0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0065__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0065/info.json","type":"ImageService2","height":7916,"width":6772},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6462.3,6444.4 5593.5,1155.4 6590.0,1158.0 6585.2,0.0 -0.0,-0.0 0.0,2247.2 1473.2,2246.0 1455.2,5640.8 0.0,5638.4 -0.0,7916.0 6772.0,7916.0 6772.0,7299.0 6462.3,6444.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0065__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2256.0,1160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9916077,42.3824508]}},{"type":"Feature","properties":{"resourceCoords":[6592.0,1160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9890676,42.3822268]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0066/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p66","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"15"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0066/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0066/info.json","type":"ImageService2","height":7916,"width":6776},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"417.6,7743.3 526.7,7146.0 377.0,6166.7 472.9,989.7 1437.2,1168.6 1637.5,46.7 6269.9,0.0 6084.5,2029.8 6382.8,2085.0 6539.0,7524.0 4678.9,7591.2 4659.0,7916.0 -0.0,7916.0 -0.0,7667.0 417.6,7743.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0066/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6432.0,4036.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9859727,42.3810963]}},{"type":"Feature","properties":{"resourceCoords":[4412.0,1720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9872673,42.3820648]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0067/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p67","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0067/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0067/info.json","type":"ImageService2","height":7916,"width":6748},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2160.4 0.0,0.0 5832.3,0.0 6393.2,2988.0 6541.7,3046.8 5919.8,7173.2 715.1,7562.2 267.2,2194.9 -0.0,2160.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0067/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3740.0,4544.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9839603,42.3809187]}},{"type":"Feature","properties":{"resourceCoords":[6256.0,4860.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9824368,42.3807843]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0068__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p68 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"13"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6748.0"},{"label":"split_canvas_h","value":"7916.0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0068__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0068/info.json","type":"ImageService2","height":7916,"width":6748},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3039.2,7916.0 3142.4,4101.2 6748.0,4644.8 6748.0,3682.6 5386.7,2819.8 5925.6,2054.3 5935.5,1360.7 4915.7,1253.4 3609.6,250.1 1162.5,1920.7 858.3,5878.3 383.2,7412.8 1765.4,7320.9 1797.9,7916.0 3039.2,7916.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0068__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[920.0,4880.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9825137,42.3802828]}},{"type":"Feature","properties":{"resourceCoords":[2648.0,7264.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9815471,42.3791801]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0068__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p68 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"3039.2"},{"label":"split_canvas_y","value":"4101.2"},{"label":"split_canvas_w","value":"3708.8"},{"label":"split_canvas_h","value":"3814.8"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0068__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0068/info.json","type":"ImageService2","height":7916,"width":6748},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6748.0,4644.8 3142.4,4101.2 3136.8,4306.9 3346.3,4358.9 3164.7,7497.1 3299.0,7593.0 6748.0,6547.4 6748.0,4644.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0068__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6224.5,6704.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9807395,42.3822831]}},{"type":"Feature","properties":{"resourceCoords":[3299.0,7592.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9822709,42.3815972]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0007/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0007/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,3311.0 555.6,3306.3 548.9,302.4 3509.4,282.5 3507.4,0.0 5661.7,0.0 5588.1,1126.7 6764.0,1915.4 6764.0,7916.0 -0.0,7916.0 -0.0,3311.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.01881616738423,42.411883960859456]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0150180876028,42.410815740897625]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.01669941525525,42.407510700365165]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.02049749503668,42.408578920326995]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0072__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p72 [1]","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"16"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3156.4"},{"label":"split_canvas_h","value":"7916.0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0072__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0072/info.json","type":"ImageService2","height":7916,"width":6712},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,7916.0 3131.2,7916.0 3137.1,6069.8 2794.2,6073.3 2870.6,5753.7 2494.8,5624.5 2464.4,2702.4 3147.8,2695.4 3155.1,416.6 1702.9,123.8 1728.6,0.0 -0.0,0.0 0.0,7916.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0072__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1412.2,6936.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.993934,42.401558]}},{"type":"Feature","properties":{"resourceCoords":[736.1,4868.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9965764,42.4014369]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0072__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p72 [2]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"10"},{"label":"split_canvas_x","value":"3131.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3580.8"},{"label":"split_canvas_h","value":"7916.0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0072__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0072/info.json","type":"ImageService2","height":7916,"width":6712},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4443.6,1107.6 4353.8,1275.5 4049.5,1115.0 3146.1,3234.8 3135.7,6512.6 3216.9,6534.3 3302.5,6330.1 4362.6,6775.7 5048.4,7613.6 5556.3,7916.0 5668.0,7916.0 6712.0,7916.0 6712.0,1901.9 4443.6,1107.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0072__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4298.2,7400.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9998044,42.4093656]}},{"type":"Feature","properties":{"resourceCoords":[5720.9,716.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.007613,42.41132]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0008/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0008/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5920.6,299.4 5392.5,7916.0 1139.4,7916.0 1171.7,1920.5 -0.0,1172.9 -0.0,280.3 5920.6,299.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.01568205541044,42.411001811513934]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.01187681889854,42.409948967142896]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.01353392291458,42.40663765258736]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.01733915942647,42.407690496958395]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Revere, Massachusetts | 1906 | sanborn03830_004 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T01:59:07Z","modified":"2026-09-22T01:59:07Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0009/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0009/info.json","type":"ImageService2","height":7916,"width":6764},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1280.7,7916.0 1336.9,7119.7 197.6,0.0 6356.6,0.0 5951.6,5072.1 5512.7,5811.8 4227.9,6696.1 4771.8,7916.0 1280.7,7916.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764rm:g038301906:03830_1906-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.01277831233294,42.40957552822499]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.00939216709803,42.40792138123676]}},{"type":"Feature","properties":{"resourceCoords":[6764.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.01199561386511,42.40497468511731]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7916.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.01538175910002,42.40662883210554]}}]}}]}