{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn03774_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Malden, Massachusetts | 1943 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"86"},{"label":"placed","value":"78"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef 39, georef-snap 38, georef-street 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"9 sheet(s) cut into 18 panels"},{"label":"unplaced pages","value":"p0 (tier 1, 42.48289,-71.06352 +/-233m); p15__2 (tier 1, 42.41574,-71.08463 +/-119m); p28__1 (tier 2, 42.42395,-71.07431 +/-256m); p33__2 (tier 2, 42.41738,-71.08248 +/-178m); p41__1 (tier 2, 42.41915,-71.06764 +/-787m); p54__2 (tier 1, 42.42978,-71.04920 +/-122m); p60__2 (tier 1, 42.43235,-71.03649 +/-100m); p76__2 (tier 1, 42.43449,-71.09120 +/-168m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p1","metadata":[{"label":"streets","value":"17"},{"label":"intersections","value":"31"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0001/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0001/info.json","type":"ImageService2","height":7796,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"458.7,5971.9 -0.0,6093.7 -0.0,3125.9 831.0,3150.1 718.6,3014.8 666.4,2731.5 695.6,1180.4 2902.9,1034.0 2915.7,2319.5 5962.3,2346.8 6019.3,7233.0 821.3,7412.8 458.7,5971.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5996.0,4160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.076448,42.429989]}},{"type":"Feature","properties":{"resourceCoords":[3756.0,5128.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0790704,42.4288403]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0010/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0010/info.json","type":"ImageService2","height":7796,"width":6472},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4958.8,5571.3 5035.1,5991.3 5318.8,6332.0 4840.3,6575.6 4076.8,7589.3 -0.0,5360.3 -0.0,1988.5 528.9,1997.2 565.8,1022.6 5214.1,892.2 4958.8,5571.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07065795153791,42.429532030539285]}},{"type":"Feature","properties":{"resourceCoords":[6472.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06664371980335,42.43005278096262]}},{"type":"Feature","properties":{"resourceCoords":[6472.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06579984375904,42.42645843350706]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0698140754936,42.425937683083724]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0011/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0011/info.json","type":"ImageService2","height":7796,"width":6472},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"296.5,6882.3 549.4,0.0 6217.5,0.0 6155.6,4881.3 6295.6,5788.6 4215.9,6652.9 667.5,7654.6 376.7,7309.4 296.5,6882.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06786658791115,42.43045955997219]}},{"type":"Feature","properties":{"resourceCoords":[6472.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06391970878514,42.4309534792551]}},{"type":"Feature","properties":{"resourceCoords":[6472.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06311930013693,42.42741949443979]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06706617926295,42.42692557515688]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p12","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"12"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0012/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0012/info.json","type":"ImageService2","height":7796,"width":6472},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6033.9,5422.1 532.2,7788.8 417.8,6985.9 592.1,1407.1 3201.3,1465.0 3132.3,1029.5 5204.1,769.0 5147.3,0.0 6355.4,0.0 6161.4,693.4 6246.3,2015.9 5867.2,2684.0 6033.9,5422.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[512.0,4688.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0638083,42.4297218]}},{"type":"Feature","properties":{"resourceCoords":[2036.0,3100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0630561,42.4305742]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0013/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0013/info.json","type":"ImageService2","height":7796,"width":6472},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4543.6,6296.5 340.9,7514.0 380.1,4762.1 812.3,4123.7 826.8,2794.2 1074.6,2115.9 -0.0,2031.9 -0.0,324.1 1768.5,672.7 1791.2,0.0 6029.4,0.0 6080.8,443.3 6472.0,632.0 6472.0,4484.5 4555.7,4673.9 4425.7,5398.8 4543.6,6296.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06174900468112,42.43316588667355]}},{"type":"Feature","properties":{"resourceCoords":[6472.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05787685371263,42.43394632168318]}},{"type":"Feature","properties":{"resourceCoords":[6472.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05661208107578,42.43047940657817]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06048423204427,42.42969897156854]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0014/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0014/info.json","type":"ImageService2","height":7796,"width":6472},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5055.0,7176.7 4063.4,7157.7 663.0,7659.7 668.1,1578.5 282.1,1616.4 247.4,1044.3 454.1,0.0 5028.0,0.0 5605.8,192.9 5663.2,0.0 6472.0,0.0 6472.0,863.5 5532.8,3117.3 5402.2,3074.9 5055.0,7176.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0014/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05852770161846,42.431562531367966]}},{"type":"Feature","properties":{"resourceCoords":[6472.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05478433232983,42.432620304321354]}},{"type":"Feature","properties":{"resourceCoords":[6472.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05307014524553,42.42926861653888]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05681351453416,42.42821084358549]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0015__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p15 [1]","metadata":[{"label":"streets","value":"17"},{"label":"intersections","value":"44"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6472.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0015__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0015/info.json","type":"ImageService2","height":7796,"width":6472},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4894.8,6793.9 4552.7,6797.2 4690.6,6706.3 4513.2,6639.8 5308.9,6492.3 5882.6,3198.9 5292.2,3318.5 5681.6,1541.0 4714.3,1285.4 4473.9,3234.5 3519.1,2952.0 3544.0,2792.0 2787.9,2734.0 2852.9,1815.8 1335.0,1777.7 1329.1,2262.7 -0.0,1892.5 -0.0,7796.0 6472.0,7796.0 6472.0,7470.2 4894.8,6793.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0015__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3544.0,2792.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0831111,42.4254796]}},{"type":"Feature","properties":{"resourceCoords":[4552.0,6796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0871426,42.4232295]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0016/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0016/info.json","type":"ImageService2","height":7796,"width":6472},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,3400.1 316.6,3358.5 3.1,1905.6 2152.6,1457.5 5832.7,1282.6 6009.9,4749.0 5922.3,7321.3 3896.6,7105.2 3821.3,4725.0 -0.0,5350.4 -0.0,3400.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0016/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08354310104373,42.42700166949881]}},{"type":"Feature","properties":{"resourceCoords":[6472.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07955435731384,42.42734102398335]}},{"type":"Feature","properties":{"resourceCoords":[6472.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07900445600086,42.42376935161212]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08299319973075,42.42342999712758]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0017/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0017/info.json","type":"ImageService2","height":7796,"width":6472},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5619.6,7531.3 1150.4,7408.5 960.0,4849.1 410.9,1431.9 6200.2,486.8 5680.6,6793.3 6472.0,6863.0 6472.0,7796.0 5594.6,7796.0 5619.6,7531.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0017/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08011861274035,42.42738097320234]}},{"type":"Feature","properties":{"resourceCoords":[6472.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07609243188337,42.42739804055535]}},{"type":"Feature","properties":{"resourceCoords":[6472.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0760647752886,42.42379285694297]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08009095614558,42.42377578958995]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p18","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0018/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0018/info.json","type":"ImageService2","height":7796,"width":6472},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4245.6,7796.0 896.1,7796.0 853.2,1426.0 5416.1,745.3 5324.3,2521.6 4245.6,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[884.0,3604.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0763527,42.4261736]}},{"type":"Feature","properties":{"resourceCoords":[884.0,5896.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0764706,42.4251238]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p19","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0019/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0019/info.json","type":"ImageService2","height":7796,"width":6444},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5045.9,7796.0 -0.0,7796.0 -0.0,7627.1 265.8,7622.9 1248.7,2463.2 1313.2,729.8 5836.8,735.2 5972.4,2045.7 5055.9,2154.4 5045.9,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0019/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07417733230754,42.42771344362211]}},{"type":"Feature","properties":{"resourceCoords":[6444.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07011317742673,42.42741603752739]}},{"type":"Feature","properties":{"resourceCoords":[6444.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07059720193288,42.423761054528065]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07466135681369,42.42405846062279]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p2","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"24"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0002/info.json","type":"ImageService2","height":7796,"width":6472},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2563.8 -0.0,310.7 378.1,241.6 350.2,0.0 6472.0,0.0 6472.0,787.8 6086.9,730.8 5713.0,3050.1 5956.3,6640.2 620.1,6812.2 -0.0,2563.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5724.0,2816.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0742857,42.4353676]}},{"type":"Feature","properties":{"resourceCoords":[308.0,4744.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0775568,42.4342907]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p20","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0020/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0020/info.json","type":"ImageService2","height":7796,"width":6444},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1764.5,7796.0 -0.0,7796.0 -0.0,1847.9 926.9,1736.4 787.3,410.9 1495.5,418.9 1532.6,419.8 3191.8,588.6 6081.5,1473.7 5492.4,3731.4 5661.8,3717.0 5677.2,3989.3 5498.3,3990.2 5522.8,4368.6 5971.6,6333.5 3057.5,7515.7 1764.5,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0020/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07100690961332,42.42732640586426]}},{"type":"Feature","properties":{"resourceCoords":[6444.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06698971412183,42.42702707717684]}},{"type":"Feature","properties":{"resourceCoords":[6444.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06747686391073,42.423414298253746]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07149405940221,42.423713626941165]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p21","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0021/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0021/info.json","type":"ImageService2","height":7796,"width":6444},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2148.5,7320.1 703.9,7248.3 961.0,5502.7 1677.6,3613.6 1867.4,3284.2 2017.2,3382.8 2155.6,3147.0 2006.2,3064.9 3552.9,1659.6 4798.9,774.4 4916.6,755.9 4988.5,708.2 5333.2,690.1 5506.7,1000.1 5585.0,7052.5 2148.5,7320.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0021/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06982074773755,42.42616394822524]}},{"type":"Feature","properties":{"resourceCoords":[6444.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06626210027416,42.4275655100868]}},{"type":"Feature","properties":{"resourceCoords":[6444.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06398109781018,42.4243651114182]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06753974527358,42.422963549556634]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p22","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"13"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0022/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0022/info.json","type":"ImageService2","height":7796,"width":6444},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"551.6,7324.1 166.6,1274.0 -0.0,973.2 3616.5,933.1 6444.0,557.5 6444.0,6217.3 6444.0,6264.7 6444.0,6459.3 551.6,7324.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1812.0,976.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0656294,42.4273962]}},{"type":"Feature","properties":{"resourceCoords":[5560.0,6596.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0620127,42.4257633]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p23","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"12"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0023/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0023/info.json","type":"ImageService2","height":7796,"width":6444},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5831.8,1085.9 5216.8,5626.8 5172.4,6957.9 2265.4,7286.6 1237.6,7117.9 1526.1,1531.6 5831.8,1085.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3308.0,1348.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.062198,42.428929]}},{"type":"Feature","properties":{"resourceCoords":[3312.0,7200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0604291,42.4265236]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p24","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0024/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0024/info.json","type":"ImageService2","height":7796,"width":6444},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"398.8,6058.0 439.6,1470.4 6083.4,479.4 6017.5,6461.5 522.5,7386.5 398.8,6058.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0024/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06146687303358,42.43016408309392]}},{"type":"Feature","properties":{"resourceCoords":[6444.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0576930734898,42.431263314419375]}},{"type":"Feature","properties":{"resourceCoords":[6444.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05590399888331,42.427869625192834]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05967779842709,42.42677039386738]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p25","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0025/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0025/info.json","type":"ImageService2","height":7796,"width":6444},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5893.0,7796.0 -0.0,7796.0 -0.0,428.0 865.0,1709.6 5178.7,666.5 5254.9,5968.4 5746.8,5961.4 5893.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1404.0,5284.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0861117,42.4210634]}},{"type":"Feature","properties":{"resourceCoords":[5884.0,2376.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0833125,42.4223917]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p26","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"19"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0026/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0026/info.json","type":"ImageService2","height":7796,"width":6444},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"448.5,7123.3 492.4,7796.0 -0.0,7796.0 -0.0,2488.2 2084.0,2046.9 1424.4,1063.3 4947.2,440.2 5008.1,858.8 5125.2,859.0 5104.6,1521.5 5904.3,7180.5 448.5,7123.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0026/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4220.0,3692.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0811132,42.4226457]}},{"type":"Feature","properties":{"resourceCoords":[2144.0,4228.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.082402,42.4223899]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p27","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0027/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0027/info.json","type":"ImageService2","height":7796,"width":6444},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1527.8 -0.0,869.7 6373.2,818.7 6444.0,1423.7 6328.9,1575.3 6444.0,2008.8 6301.0,2002.5 6089.6,4878.8 5769.1,5892.5 5717.5,6807.7 5446.3,6811.4 5357.2,7061.0 973.4,7111.6 -0.0,1527.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0027/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08055608384602,42.42435443871478]}},{"type":"Feature","properties":{"resourceCoords":[6444.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07654112274989,42.424291505038056]}},{"type":"Feature","properties":{"resourceCoords":[6444.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07664354099842,42.42068056980239]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08065850209455,42.420743503479116]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0028__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p28 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6444.0"},{"label":"split_canvas_h","value":"4029.2"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0028__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0028/info.json","type":"ImageService2","height":7796,"width":6444},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5076.0,2710.3 4731.6,2382.1 4745.9,2133.9 -0.0,1861.8 -0.0,3029.5 2710.1,3125.3 2679.1,4004.9 5349.8,4022.1 5076.0,2710.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0028__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3608.0,2960.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0721975,42.4234725]}},{"type":"Feature","properties":{"resourceCoords":[-620.0,3597.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0748042,42.4232644]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p29","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0029/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0029/info.json","type":"ImageService2","height":7796,"width":6444},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7541.9 -0.0,2798.4 405.1,2796.6 226.2,283.4 5734.3,238.2 6031.5,2314.8 6063.6,7629.9 6444.0,7632.4 6444.0,7796.0 1774.2,7796.0 1774.7,7653.6 -0.0,7541.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0029/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08357713054885,42.42118288937694]}},{"type":"Feature","properties":{"resourceCoords":[6444.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07960417003041,42.42115739080057]}},{"type":"Feature","properties":{"resourceCoords":[6444.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07964566433601,42.41758405130947]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08361862485445,42.41760954988583]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p3","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0003/info.json","type":"ImageService2","height":7796,"width":6472},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"903.5,2390.5 1247.2,20.0 3455.3,311.2 3467.6,0.0 6472.0,0.0 6472.0,2560.2 5408.9,2430.6 5020.7,7796.0 1127.1,7796.0 1233.2,6325.1 903.5,2390.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2752.0,6084.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.073014,42.433649]}},{"type":"Feature","properties":{"resourceCoords":[1232.0,6324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0739311,42.4334979]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p30","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0030/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0030/info.json","type":"ImageService2","height":7796,"width":6444},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"830.2,7652.5 804.3,2324.4 508.8,242.3 4950.9,251.6 5044.6,0.0 6444.0,0.0 6444.0,2005.5 5150.2,2006.4 5153.3,7642.4 830.2,7652.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0030/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08035479633887,42.4211635344763]}},{"type":"Feature","properties":{"resourceCoords":[6444.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07639152920652,42.421141574419316]}},{"type":"Feature","properties":{"resourceCoords":[6444.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07642726520531,42.41757695243712]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08039053233766,42.41759891249411]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p31","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0031/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0031/info.json","type":"ImageService2","height":7796,"width":6444},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1225.2,7245.5 1089.2,5289.4 -0.0,5365.0 -0.0,4457.0 265.8,3352.0 307.2,580.3 432.1,579.0 447.9,578.8 309.4,0.0 6444.0,0.0 6444.0,7796.0 2478.1,7796.0 2494.5,7156.5 1225.2,7245.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0031/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0768223,42.423647]}},{"type":"Feature","properties":{"resourceCoords":[6444.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.072752,42.4234156]}},{"type":"Feature","properties":{"resourceCoords":[6444.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0731311,42.419780499999995]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0772014,42.4200119]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p32","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0032/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0032/info.json","type":"ImageService2","height":7796,"width":6444},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6444.0,7796.0 1129.3,7796.0 1152.6,5590.6 -0.0,5589.6 -0.0,-0.0 2563.2,0.0 2501.3,645.9 6444.0,922.5 6444.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0032/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07719643180418,42.42022859838359]}},{"type":"Feature","properties":{"resourceCoords":[6444.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07316951906432,42.420208228929155]}},{"type":"Feature","properties":{"resourceCoords":[6444.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07320292158481,42.41661400629847]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07722983432467,42.4166343757529]}},{"type":"Feature","properties":{"resourceCoords":[2480.0,5588.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0756706,42.4176445]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0033__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p33 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6456.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0033__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0033/info.json","type":"ImageService2","height":7796,"width":6456},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1778.8,0.0 1772.4,2427.6 0.0,2435.2 0.0,7796.0 3132.0,7796.0 3740.0,7796.0 5717.4,7796.0 5738.2,2769.5 5574.6,2768.2 5596.4,0.0 1778.8,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0033__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3672.0,5956.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0776668,42.4167105]}},{"type":"Feature","properties":{"resourceCoords":[3672.0,128.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0812862,42.4167127]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0034/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p34","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"12"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0034/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0034/info.json","type":"ImageService2","height":7796,"width":6444},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1853.5,4981.7 632.2,4578.1 159.7,4634.1 -0.0,5031.8 -0.0,902.4 5929.0,658.5 6238.7,2416.6 5908.0,5598.6 6102.5,7197.1 3707.9,7090.4 3692.0,6668.0 1665.4,6668.5 1853.5,4981.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0034/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3692.0,4636.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0686475,42.4221459]}},{"type":"Feature","properties":{"resourceCoords":[3692.0,6668.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0684409,42.4212262]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p35","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0035/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0035/info.json","type":"ImageService2","height":7796,"width":6444},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"133.5,6072.0 974.7,0.0 3947.4,0.0 4092.4,1371.8 4162.6,1013.9 4441.5,865.4 5913.7,1129.5 5935.1,5978.7 133.5,6072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0035/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5920.0,5188.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0695858,42.4199754]}},{"type":"Feature","properties":{"resourceCoords":[4012.0,5188.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0707807,42.4199233]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p36","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"18"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0036/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0036/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"62.1,748.3 2062.3,525.3 2124.3,940.4 4499.5,782.7 5077.0,2017.8 6460.0,1772.8 6460.0,7796.0 6368.8,7391.7 4009.6,6960.9 136.7,7002.9 62.1,748.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0036/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2516.0,2468.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0680918,42.4203412]}},{"type":"Feature","properties":{"resourceCoords":[3424.0,6948.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0673748,42.4182969]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0037/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p37","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0037/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0037/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6230.7,0.0 6189.9,3094.3 6460.0,3097.2 6387.7,7796.0 -0.0,7796.0 -0.0,4710.8 386.9,0.0 6230.7,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0037/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4220.0,6060.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0705128,42.4167629]}},{"type":"Feature","properties":{"resourceCoords":[6204.0,1764.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0694812,42.4188007]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0038/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p38","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0038/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0038/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"559.6,383.8 4160.4,804.9 6460.0,1532.7 6262.9,4310.6 6460.0,6068.3 6460.0,7796.0 -0.0,7796.0 -0.0,7218.2 -0.0,7218.2 -0.0,4860.8 26.4,4845.0 559.6,383.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0038/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06964530140671,42.41832665695815]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0656902197352,42.418862560025]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06482033040054,42.41531396599856]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06877541207204,42.41477806293171]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0039/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p39","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0039/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0039/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"705.5,4483.5 682.0,1307.3 2343.7,587.2 6129.9,3436.3 6460.0,3088.6 6460.0,3163.9 5810.6,3888.8 5379.4,4499.9 4907.5,6730.1 4930.1,7796.0 3050.2,7796.0 3050.1,7030.9 1657.4,7274.9 1116.0,6144.2 705.5,4483.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0039/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06777828399748,42.42392776577749]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06376861090577,42.424088208235084]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06350815491247,42.42049094233102]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06751782800418,42.42033049987343]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p4","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0004/info.json","type":"ImageService2","height":7796,"width":6464},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5992.9,1366.2 5789.3,6816.5 773.4,7300.9 831.7,7796.0 -0.0,7796.0 -0.0,1163.9 5992.9,1366.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4688.0,2888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.068575,42.43454]}},{"type":"Feature","properties":{"resourceCoords":[772.0,7300.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.071082,42.4324959]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0040/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p40","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0040/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0040/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2360.5,7796.0 3103.0,7016.4 2312.4,6294.8 913.9,4200.3 651.9,902.8 2731.5,145.4 2728.6,-0.0 6460.0,-0.0 6460.0,1306.0 5030.3,1232.0 5378.6,5746.9 4771.5,7796.0 2360.5,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0040/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0628753956198,42.42378213179266]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05996566001457,42.421742423397426]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06327680291204,42.41913193172056]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06618653851727,42.421171640115794]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0041__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p41 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"4132.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2328.0"},{"label":"split_canvas_h","value":"4664.8"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0041__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0041/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5546.2,4170.7 6167.2,4164.8 6105.7,-0.0 6101.2,-0.0 6116.6,952.2 4363.6,952.2 4382.1,3927.4 4674.9,4034.8 4445.7,4341.3 4462.8,4399.2 5539.5,4542.4 5546.2,4170.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0041__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4363.6,952.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0620746,42.416862]}},{"type":"Feature","properties":{"resourceCoords":[6116.6,952.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0613026,42.417436]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0042/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p42","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"16"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0042/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0042/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6460.0,-0.0 6460.0,7796.0 5610.8,7796.0 5583.3,7021.5 3155.6,7176.5 2725.3,7283.7 1747.2,7342.6 -0.0,7218.7 -0.0,2574.6 375.8,2298.4 245.5,1906.1 1801.9,700.3 2867.1,2122.2 5264.6,302.6 5177.4,11.2 6460.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0042/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[940.0,1360.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0617829,42.4177796]}},{"type":"Feature","properties":{"resourceCoords":[2868.0,2124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0620746,42.416862]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0043/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p43","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0043/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0043/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5033.0,7407.7 4904.4,7796.0 -0.0,7796.0 -0.0,7084.7 462.7,7070.3 1003.0,5014.4 517.1,536.4 1940.8,565.7 1923.2,-0.0 2865.2,-0.0 2869.8,592.1 6053.1,519.2 5906.0,7380.9 5033.0,7407.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0043/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06112361228095,42.422125985152626]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05828554501933,42.42000872632418]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06172248826219,42.41746246542523]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06456055552381,42.41957972425368]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0044/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p44","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0044/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0044/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5005.4,7796.0 4992.8,7173.6 707.6,7314.5 793.7,440.9 4879.4,265.0 4888.5,-0.0 6460.0,-0.0 6460.0,7796.0 5005.4,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0044/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05884239911275,42.420377019695465]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05603426062989,42.41824434543855]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05949618499726,42.415724904992125]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06230432348012,42.41785757924904]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0045__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p45 [1]","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"16"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6460.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0045__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0045/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"963.8,7186.7 949.1,7796.0 5337.1,7796.0 3508.7,2389.9 3244.7,0.0 601.6,0.0 626.1,3143.4 702.8,7173.4 963.8,7186.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0045__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[624.0,3832.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.058384,42.419746]}},{"type":"Feature","properties":{"resourceCoords":[5260.0,7320.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0547536,42.4201506]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0045__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p45 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"3908.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2552.0"},{"label":"split_canvas_h","value":"4741.6"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0045__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0045/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4300.0,1037.1 4291.6,4140.4 4446.3,4557.0 6077.9,4706.6 6460.0,4698.0 6460.0,442.7 5172.6,682.7 4300.0,1037.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0045__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4300.0,2096.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.038923,42.433753]}},{"type":"Feature","properties":{"resourceCoords":[4300.0,1036.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0387533,42.4342236]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0046/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p46","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0046/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0046/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5782.6,7796.0 5846.5,5803.5 -0.0,7615.6 -0.0,1938.8 1620.6,1976.9 1678.3,-0.0 6460.0,-0.0 6460.0,7796.0 5782.6,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0046/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0547169119135,42.42379114559974]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0517977128789,42.42178038933555]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05506185792636,42.419161408545634]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05798105696097,42.421172164809825]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0047/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p47","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0047/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0047/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,5128.1 -0.0,396.5 4857.0,601.8 4706.0,1832.5 4644.1,2368.3 6031.5,2727.6 5960.7,3608.3 6460.0,3638.1 6460.0,7453.1 1262.5,7349.3 1233.3,5687.0 1214.6,5406.7 1175.9,5165.2 -0.0,5128.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0047/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06184585647239,42.42305917036413]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05917867966225,42.42528557308476]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05556438088148,42.42289275267601]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05823155769161,42.42066634995538]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0048/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p48","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0048/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0048/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1180.3,7327.7 1197.1,5727.6 760.5,5715.4 636.2,1923.6 138.6,1913.9 180.4,1035.8 2117.2,1456.1 2120.0,1872.0 3947.5,1578.2 6262.2,1889.3 6014.3,7796.0 3138.8,7796.0 3132.9,7345.0 1180.3,7327.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0048/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2120.0,1872.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0568725,42.4246807]}},{"type":"Feature","properties":{"resourceCoords":[6092.0,5684.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0534276,42.4247875]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0049/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p49","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0049/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0049/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3582.7,7130.6 3572.2,7130.3 3427.0,7126.2 2772.6,5015.0 550.1,5018.8 -0.0,517.3 -0.0,299.3 5932.6,2052.9 4500.2,7156.6 3582.7,7130.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0049/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06644497890261,42.42380467185165]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06384266809042,42.42606734417704]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06016944378857,42.42373274672508]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06277175460076,42.421470074399686]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p5","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"16"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0005/info.json","type":"ImageService2","height":7796,"width":6472},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5996.0,3657.0 5740.2,7186.1 4617.9,7375.5 4659.1,7796.0 4229.2,7796.0 4129.0,7421.8 717.4,7502.1 578.8,3817.6 185.2,0.0 5618.9,0.0 5234.2,3596.0 5996.0,3657.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2336.0,5820.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0755712,42.4308297]}},{"type":"Feature","properties":{"resourceCoords":[5236.0,3596.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0739479,42.4319791]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0050/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p50","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0050/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0050/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6460.0,243.7 6460.0,3687.3 4688.6,3925.1 5530.7,7796.0 213.6,7796.0 238.1,4836.2 47.9,4806.7 244.5,4061.4 271.6,782.7 2215.2,927.2 6460.0,243.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0050/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05915715911132,42.42734148591252]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05693661260943,42.42487504374791]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0609407220649,42.42288297880447]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06316126856679,42.425349420969084]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0051/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p51","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0051/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0051/info.json","type":"ImageService2","height":7796,"width":6476},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3138.1,6670.4 1464.4,7506.1 268.6,2930.8 237.8,977.8 5916.6,748.1 5469.4,6270.4 3138.1,6670.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0051/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05988345165864,42.42737896035669]}},{"type":"Feature","properties":{"resourceCoords":[6476.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05637833595071,42.42880166045082]}},{"type":"Feature","properties":{"resourceCoords":[6476.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05407432736907,42.4256650426146]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05757944307699,42.424242342520465]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0052/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p52","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0052/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0052/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"458.2,7205.1 386.0,6110.1 1049.8,872.2 4654.2,961.1 6460.0,1511.6 6460.0,5955.0 6345.2,5518.1 458.2,7205.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0052/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[784.0,2536.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0560768,42.4276677]}},{"type":"Feature","properties":{"resourceCoords":[6192.0,5560.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0522707,42.4277455]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0053/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p53","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0053/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0053/info.json","type":"ImageService2","height":7796,"width":6464},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6076.2,3150.7 6003.4,7524.1 3778.7,7067.8 3214.9,6773.2 2557.0,5672.7 -0.0,3460.0 -0.0,1972.9 672.8,2039.3 1737.7,2606.6 2371.2,460.2 3297.7,121.9 3252.5,-0.0 6464.0,-0.0 6464.0,216.0 5878.4,205.6 6076.2,3150.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0053/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05073551111094,42.434466742553006]}},{"type":"Feature","properties":{"resourceCoords":[6464.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05001280093668,42.43154358091314]}},{"type":"Feature","properties":{"resourceCoords":[6464.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05475600444244,42.43089571339473]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0554787146167,42.433818875034596]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0054__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p54 [1]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"16"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6464.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0054__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0054/info.json","type":"ImageService2","height":7796,"width":6464},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6464.0,5231.1 6464.0,-0.0 3194.4,0.0 3222.8,3526.8 1464.4,3539.2 1437.6,2532.4 327.0,2555.3 362.9,2963.7 362.0,7508.8 4510.8,7033.4 4497.5,6004.4 6464.0,5231.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0054__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[360.0,4104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0526641,42.4313737]}},{"type":"Feature","properties":{"resourceCoords":[364.0,7508.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.054727,42.4311235]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0055/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p55","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0055/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0055/info.json","type":"ImageService2","height":7796,"width":6464},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 -0.0,5708.2 357.2,5706.4 378.4,5278.2 409.3,3580.0 429.0,3436.4 419.3,523.9 6464.0,433.9 6464.0,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0055/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05519406273635,42.42580415641109]}},{"type":"Feature","properties":{"resourceCoords":[6464.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05239661983933,42.42793738101522]}},{"type":"Feature","properties":{"resourceCoords":[6464.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.04893558073933,42.42542935363119]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05173302363634,42.42329612902706]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0056/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p56","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0056/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0056/info.json","type":"ImageService2","height":7796,"width":6448},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2697.9,7571.5 2767.8,7796.0 -0.0,7796.0 -0.0,4102.1 1395.7,3302.7 -0.0,831.0 2280.7,187.8 6272.2,220.0 5481.0,3506.6 6140.5,7088.4 3137.9,7673.7 2697.9,7571.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0056/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.049334463859,42.435249262454846]}},{"type":"Feature","properties":{"resourceCoords":[6448.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.04537085180276,42.43505851047904]}},{"type":"Feature","properties":{"resourceCoords":[6448.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.04568114288945,42.43149658779169]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.04964475494569,42.4316873397675]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0057/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p57","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"19"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0057/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0057/info.json","type":"ImageService2","height":7796,"width":6448},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1942.3,0.0 4794.1,0.0 5415.1,809.0 6126.3,1247.1 6146.2,7427.4 306.1,7428.6 322.1,3651.6 1942.3,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0057/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3260.0,3416.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.044315,42.433825]}},{"type":"Feature","properties":{"resourceCoords":[4780.0,7464.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.04307,42.432061]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0058/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p58","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"19"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0058/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0058/info.json","type":"ImageService2","height":7796,"width":6448},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,836.2 3046.6,764.0 2985.0,0.0 4542.2,0.0 4595.1,1290.2 6448.0,2041.5 6448.0,2442.8 4794.4,6516.0 6124.7,7083.8 6448.0,7796.0 5014.9,7796.0 5036.0,6935.7 -0.0,7053.7 -0.0,836.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0058/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1804.0,792.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.041598,42.435097]}},{"type":"Feature","properties":{"resourceCoords":[5724.0,4244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.038923,42.433753]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0059/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p59","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0059/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0059/info.json","type":"ImageService2","height":7796,"width":6424},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"261.1,-0.0 6424.0,-0.0 6424.0,7796.0 371.7,7796.0 509.9,7284.4 261.1,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0059/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4556.0,5808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0464736,42.4298569]}},{"type":"Feature","properties":{"resourceCoords":[4556.0,632.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0432425,42.4300765]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p6","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"17"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0006/info.json","type":"ImageService2","height":7796,"width":6472},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5611.3,7200.2 -0.0,7366.1 -0.0,6195.0 1131.2,6106.0 1723.6,2650.1 975.8,2515.9 1373.4,691.6 5172.9,1249.3 4854.4,2687.5 5684.3,2871.3 5611.3,7200.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[976.0,2516.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0739479,42.4319791]}},{"type":"Feature","properties":{"resourceCoords":[4216.0,4428.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0717394,42.4314293]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0060__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p60 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6424.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0060__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0060/info.json","type":"ImageService2","height":7796,"width":6424},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6424.0,1856.8 3888.4,1777.2 3863.2,0.0 -0.0,0.0 308.6,6438.7 6424.0,6486.4 6424.0,1856.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0060__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[196.0,4064.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.041634,42.432218]}},{"type":"Feature","properties":{"resourceCoords":[4600.0,2200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0402128,42.430298]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0061/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p61","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0061/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0061/info.json","type":"ImageService2","height":7796,"width":6424},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"694.3,6837.9 798.0,6498.6 776.8,4923.6 1380.1,4778.4 1266.9,2703.4 2035.1,2622.1 2054.0,1836.9 2265.6,1569.2 2265.5,1189.6 2444.2,1369.7 2277.8,1568.9 4971.2,2187.6 4610.9,2435.4 4511.2,3838.8 4884.2,3988.8 4401.3,5880.1 4439.7,7046.8 2620.9,7536.1 1959.2,7395.7 1969.1,7284.0 694.3,6837.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0061/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.04162677262555,42.44012269907711]}},{"type":"Feature","properties":{"resourceCoords":[6424.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.04019984707207,42.43420270140486]}},{"type":"Feature","properties":{"resourceCoords":[6424.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.04986620579946,42.43291565993803]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05129313135294,42.438835657610284]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0062/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p62","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0062/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0062/info.json","type":"ImageService2","height":7796,"width":6424},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 -0.0,4503.2 685.1,4975.0 2381.0,2800.4 2191.3,2263.6 2690.8,2399.4 4155.5,477.5 4384.2,873.9 4880.1,153.6 4657.0,-0.0 6424.0,-0.0 6424.0,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0062/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.02453489264158,42.43560806480695]}},{"type":"Feature","properties":{"resourceCoords":[6424.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0235040682421,42.42971943140657]}},{"type":"Feature","properties":{"resourceCoords":[6424.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.03311855600761,42.42878959691313]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.03414938040709,42.43467823031351]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0063/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p63","metadata":[{"label":"streets","value":"16"},{"label":"intersections","value":"12"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0063/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0063/info.json","type":"ImageService2","height":7796,"width":6436},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3927.6,7542.6 2389.4,7247.5 1837.9,6941.1 1570.5,6952.3 1934.6,6665.4 1677.1,6362.9 1586.1,6402.9 1475.0,6125.4 633.1,5136.4 2203.6,4056.2 2170.9,3845.1 2337.3,3700.0 2307.6,3657.2 2487.9,3579.0 2897.3,3235.2 3003.3,3355.5 5111.0,2441.5 5638.6,6526.6 5446.8,6295.2 3927.6,7542.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0063/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2636.0,4704.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.05682,42.433845]}},{"type":"Feature","properties":{"resourceCoords":[2936.0,4632.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.056779,42.43413]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0064/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p64","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0064/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0064/info.json","type":"ImageService2","height":7796,"width":6400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"700.6,5653.6 1431.4,4707.9 1608.0,4061.8 155.7,3814.9 -0.0,3945.2 0.0,0.0 5748.6,0.0 5531.9,539.5 5873.1,4323.1 5890.0,4325.7 6167.2,7111.8 4589.5,7278.6 4361.7,7796.0 2955.3,7796.0 2691.4,6628.6 700.6,5653.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0064/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05374926577433,42.43581764322026]}},{"type":"Feature","properties":{"resourceCoords":[6400.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.04999507157349,42.43683673679221]}},{"type":"Feature","properties":{"resourceCoords":[6400.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.04832487423865,42.43343777155152]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05207906843948,42.43241867797957]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0065/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p65","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0065/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0065/info.json","type":"ImageService2","height":7796,"width":6400},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 4634.1,0.0 4650.1,4495.5 6400.0,4600.5 6400.0,7796.0 -0.0,7796.0 0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0065/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4132.0,6664.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0839566,42.4167281]}},{"type":"Feature","properties":{"resourceCoords":[2104.0,556.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0851809,42.4195585]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0066/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p66","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0066/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0066/info.json","type":"ImageService2","height":7796,"width":6408},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6218.1,7276.4 70.9,7236.7 -0.0,2260.1 121.1,1417.1 2154.8,1604.8 3690.3,1375.7 5698.9,1423.9 6218.1,7276.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0066/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08117117454972,42.434611840130536]}},{"type":"Feature","properties":{"resourceCoords":[6408.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07723161357512,42.43498238499627]}},{"type":"Feature","properties":{"resourceCoords":[6408.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07662509955792,42.43141995417847]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08056466053252,42.43104940931274]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0067/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p67","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0067/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0067/info.json","type":"ImageService2","height":7796,"width":6416},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"448.2,5498.5 605.5,3609.8 874.2,1461.6 3025.0,883.3 3541.3,815.7 4267.7,965.0 4381.3,0.0 6416.0,0.0 6416.0,679.3 5159.8,687.6 5164.6,1407.6 5411.3,3052.7 5241.9,4555.7 5510.2,4554.0 5627.6,5129.4 5539.0,5148.5 5686.3,5772.0 4670.0,6028.9 4731.7,6240.2 3427.6,6372.6 3462.7,6682.0 665.2,6972.0 448.2,5498.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0067/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06891029555696,42.4369080499061]}},{"type":"Feature","properties":{"resourceCoords":[6416.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06092983515204,42.43728516116862]}},{"type":"Feature","properties":{"resourceCoords":[6416.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06031333825321,42.43007771339458]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06829379865813,42.429700602132066]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0068/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p68","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0068/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0068/info.json","type":"ImageService2","height":7796,"width":6416},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 6416.0,0.0 6416.0,4793.4 6104.9,4893.0 6416.0,5930.9 6416.0,6329.0 2352.6,7130.0 2460.7,7796.0 113.5,7796.0 441.9,4504.8 -0.0,1450.9 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0068/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06243795052366,42.43657559820229]}},{"type":"Feature","properties":{"resourceCoords":[6416.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05847953526803,42.43678235172157]}},{"type":"Feature","properties":{"resourceCoords":[6416.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05814152952097,42.43320744159464]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06209994477659,42.43300068807536]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0069/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p69","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0069/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0069/info.json","type":"ImageService2","height":7796,"width":6408},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2393.3,7796.0 383.1,7796.0 -0.0,7325.0 -0.0,349.5 2424.6,835.6 3048.7,796.6 3795.5,953.1 4440.4,1236.5 4346.9,2365.3 4496.4,2383.6 4308.2,3254.5 3920.6,3229.0 3717.5,6261.8 3130.1,6291.1 2393.3,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0069/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07065477192268,42.440737068401376]}},{"type":"Feature","properties":{"resourceCoords":[6408.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06949880764182,42.43482242744307]}},{"type":"Feature","properties":{"resourceCoords":[6408.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07918063989227,42.433777192543374]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08033660417313,42.439691833501676]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p7","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"13"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0007/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0007/info.json","type":"ImageService2","height":7796,"width":6472},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4503.3,6863.8 969.9,6699.5 924.0,636.0 4320.3,620.6 4341.1,987.6 4760.1,995.5 4818.0,1729.9 5187.2,1685.9 4503.3,6863.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4504.0,4148.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0739194,42.4285803]}},{"type":"Feature","properties":{"resourceCoords":[924.0,636.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.076448,42.429989]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0070/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p70","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0070/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0070/info.json","type":"ImageService2","height":7796,"width":6440},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3131.1,6763.5 2791.9,7230.7 -0.0,7084.3 -0.0,-0.0 6440.0,0.0 6440.0,7796.0 5553.1,7796.0 5752.8,7377.0 3305.0,7258.9 3131.1,6763.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0070/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0266087920885,42.44011708573697]}},{"type":"Feature","properties":{"resourceCoords":[6440.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.01958069421622,42.43743981760039]}},{"type":"Feature","properties":{"resourceCoords":[6440.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.02394129573828,42.43111635150702]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.03096939361056,42.4337936196436]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0071/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p71","metadata":[{"label":"streets","value":"16"},{"label":"intersections","value":"16"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0071/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0071/info.json","type":"ImageService2","height":7796,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4952.9,6526.8 4852.0,6831.0 6148.6,7285.4 6138.5,7398.2 6452.0,7465.2 6452.0,7796.0 -0.0,7796.0 -0.0,0.0 3669.5,-0.0 3619.8,417.8 5106.6,743.1 5925.6,626.8 6452.0,1113.5 6452.0,1510.9 6236.6,1780.8 6217.2,2574.3 5435.7,2654.4 5550.2,4751.6 4936.5,4896.6 4952.9,6526.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0071/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3408.0,3812.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0465672,42.4401554]}},{"type":"Feature","properties":{"resourceCoords":[3660.0,6980.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.050399,42.43941]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0072/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p72","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0072/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0072/info.json","type":"ImageService2","height":7796,"width":6440},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2782.5,6530.0 2643.8,5894.0 1865.2,6029.1 1962.4,6403.1 431.9,6704.5 -0.0,6499.1 -0.0,3648.0 238.7,3769.3 748.2,2962.5 451.6,2131.1 432.0,1578.4 476.6,983.2 433.6,588.1 860.7,541.5 734.7,0.0 6440.0,0.0 6440.0,7796.0 4752.2,7796.0 4857.6,7309.2 4190.2,7291.3 3717.4,7374.1 3848.3,6758.2 2782.5,6530.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0072/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.04284996441456,42.44107114177195]}},{"type":"Feature","properties":{"resourceCoords":[6440.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.03499604860248,42.44078759154978]}},{"type":"Feature","properties":{"resourceCoords":[6440.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.03545789419267,42.43372130315032]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.04331181000475,42.43400485337249]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0073__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p73 [1]","metadata":[{"label":"streets","value":"16"},{"label":"intersections","value":"17"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6436.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0073__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0073/info.json","type":"ImageService2","height":7796,"width":6436},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1572.4,369.3 998.5,366.7 1107.9,0.0 -0.0,0.0 68.7,1067.9 0.0,1087.7 0.0,5305.0 1393.7,7510.7 1467.9,7497.2 1340.6,7187.5 6436.0,5093.8 6436.0,1386.0 5122.8,1358.4 5124.0,0.0 1579.6,0.0 1572.4,369.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0073__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2544.0,4120.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.054162,42.438401]}},{"type":"Feature","properties":{"resourceCoords":[228.0,3532.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0554711,42.4364547]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0073__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p73 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"5122.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1313.2"},{"label":"split_canvas_h","value":"1386.0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0073__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0073/info.json","type":"ImageService2","height":7796,"width":6436},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6436.0,0.0 5124.0,0.0 5123.4,663.0 5516.4,661.2 5313.4,1362.4 6436.0,1386.0 6436.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0073__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[5122.8,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05995375372395,42.43779594924072]}},{"type":"Feature","properties":{"resourceCoords":[6436.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0597778196675,42.43838863827564]}},{"type":"Feature","properties":{"resourceCoords":[6436.0,1386.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.0589329482135,42.43825213389972]}},{"type":"Feature","properties":{"resourceCoords":[5122.8,1386.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.05910888226994,42.4376594448648]}},{"type":"Feature","properties":{"resourceCoords":[5553.9,528.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.059574,42.437939]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0074/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p74","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0074/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0074/info.json","type":"ImageService2","height":7796,"width":6440},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6440.0,392.1 5568.4,348.5 5081.6,705.7 4982.6,2688.7 6440.0,3485.2 6440.0,4212.5 6250.7,4224.8 6125.2,5305.0 6151.0,6400.1 5168.7,6309.2 4408.8,6370.1 3418.8,6210.0 3331.2,6618.9 3267.6,7796.0 1076.3,7796.0 1172.6,6638.2 1359.8,6650.5 1438.3,6159.3 -0.0,6032.1 -0.0,-0.0 6440.0,0.0 6440.0,392.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0074/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08673202616585,42.4390681204867]}},{"type":"Feature","properties":{"resourceCoords":[6440.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07875721668636,42.4402335014294]}},{"type":"Feature","properties":{"resourceCoords":[6440.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07685908967484,42.43305828699034]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08483389915433,42.43189290604764]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0075/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p75","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0075/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0075/info.json","type":"ImageService2","height":7796,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 6035.3,0.0 6000.0,501.3 5810.5,505.6 5805.6,731.1 5824.6,3221.8 5883.7,3502.2 5999.5,3634.1 5167.2,3628.7 5206.1,5236.6 -0.0,6803.2 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0075/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.09094715940552,42.43306710588184]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08293375268802,42.43370042092679]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08190425491955,42.426503171980094]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.08991766163705,42.425869856935144]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0076__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p76 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0076__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0076/info.json","type":"ImageService2","height":7796,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3063.7,6610.2 3072.1,6204.1 5181.4,5357.9 5360.1,5312.6 4080.0,4659.6 3343.6,0.0 -0.0,-0.0 -0.0,3278.4 165.5,3904.4 158.7,4694.8 3.3,5407.4 340.6,5368.3 487.1,6634.1 1156.7,6627.9 1157.5,6634.2 3063.7,6610.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0076__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2060.0,5956.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0689193,42.435881]}},{"type":"Feature","properties":{"resourceCoords":[2060.0,6620.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0689624,42.435284]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p8","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"17"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0008/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0008/info.json","type":"ImageService2","height":7796,"width":6472},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,6828.9 -0.0,1605.3 4988.4,391.2 5655.2,3598.4 5669.8,3965.6 5149.1,4049.5 5697.5,7378.6 -0.0,6828.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4148.0,3036.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0710733,42.4290894]}},{"type":"Feature","properties":{"resourceCoords":[4988.0,392.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0705393,42.4303207]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Malden, Massachusetts | 1943 | sanborn03774_005 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T23:48:15Z","modified":"2026-09-21T23:48:15Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0009/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0009/info.json","type":"ImageService2","height":7796,"width":6472},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5035.0,7796.0 305.9,7754.8 318.9,1710.9 438.9,251.8 5553.0,889.5 5146.4,2685.8 5035.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037741943:03774_1943-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07138023203683,42.432567234777586]}},{"type":"Feature","properties":{"resourceCoords":[6472.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06746116525852,42.433186748786085]}},{"type":"Feature","properties":{"resourceCoords":[6472.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.06645719239535,42.429677788409116]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-71.07037625917366,42.42905827440062]}}]}}]}