{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn03777_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Marblehead, Massachusetts | 1890 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"14"},{"label":"placed","value":"10"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 10"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"3 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p1 (tier 3, 42.50603,-70.83920 +/-549m); p6__2 (tier 1, 42.50964,-70.84547 +/-100m); p7__2 (tier 1, 42.50370,-70.86154 +/-100m); p8__3 (tier 1, 42.50671,-70.85129 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marblehead, Massachusetts | 1890 | sanborn03777_002 p2","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"11"}],"created":"2026-09-22T03:45:21Z","modified":"2026-09-22T03:45:21Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"79.9,5355.3 284.4,2655.1 0.0,2703.3 0.0,-0.0 6452.0,0.0 6452.0,7652.0 931.7,7652.0 949.6,6873.2 427.7,6774.6 1086.6,5638.9 79.9,5355.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[300.0,3588.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.847581,42.5063]}},{"type":"Feature","properties":{"resourceCoords":[3920.0,6916.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.844664,42.506834]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marblehead, Massachusetts | 1890 | sanborn03777_002 p3","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"15"}],"created":"2026-09-22T03:45:21Z","modified":"2026-09-22T03:45:21Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 -0.0,4347.2 400.7,2796.9 -0.0,2234.3 -0.0,-0.0 1727.3,0.0 1761.0,684.2 4374.3,555.4 4314.1,282.8 6452.0,292.2 6452.0,6251.4 4494.1,7091.9 4322.6,6291.6 3035.9,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2688.0,928.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.849131,42.506732]}},{"type":"Feature","properties":{"resourceCoords":[1080.0,6380.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.851988,42.50513]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marblehead, Massachusetts | 1890 | sanborn03777_002 p4","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"16"}],"created":"2026-09-22T03:45:21Z","modified":"2026-09-22T03:45:21Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"186.0,3349.2 695.7,1556.7 993.0,1056.9 1158.1,0.0 6046.3,0.0 5483.8,2723.0 6452.0,4084.6 6452.0,4277.1 5739.9,4279.6 6214.0,6599.9 5143.6,6229.4 4888.7,7652.0 0.0,7652.0 0.0,3288.3 186.0,3349.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4500.0,6200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.849747,42.503032]}},{"type":"Feature","properties":{"resourceCoords":[4652.0,360.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.853027,42.504217]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marblehead, Massachusetts | 1890 | sanborn03777_002 p5","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"16"}],"created":"2026-09-22T03:45:21Z","modified":"2026-09-22T03:45:21Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"62.5,5563.6 505.0,4352.5 -0.0,4113.5 -0.0,720.5 643.1,1022.3 640.0,0.0 4540.0,0.0 4805.2,600.8 5117.4,609.0 5006.5,1056.9 5321.3,1769.9 6452.0,1272.7 6452.0,4154.3 6207.4,4073.9 6452.0,4437.5 6452.0,7652.0 -0.0,7652.0 62.5,5563.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2220.0,2608.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8566368,42.5019203]}},{"type":"Feature","properties":{"resourceCoords":[5000.0,2620.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8554413,42.5028638]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marblehead, Massachusetts | 1890 | sanborn03777_002 p6 [1]","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"15"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T03:45:21Z","modified":"2026-09-22T03:45:21Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0006__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 1492.0,7652.0 5789.6,7652.0 5878.8,6544.4 6309.2,5377.7 5794.4,5127.5 5832.7,1873.5 6452.0,2166.4 6452.0,1460.4 6452.0,0.0 3103.2,0.0 1981.6,3972.8 0.0,3995.2 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3224.0,6864.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8572121,42.4992051]}},{"type":"Feature","properties":{"resourceCoords":[5796.0,5128.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.856911,42.500683]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marblehead, Massachusetts | 1890 | sanborn03777_002 p7 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4753.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T03:45:21Z","modified":"2026-09-22T03:45:21Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0007__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2158.6,120.9 1590.1,0.0 1357.2,859.8 885.0,788.7 730.7,6641.0 926.8,6563.5 739.4,7652.0 1456.0,7652.0 2596.0,7652.0 3760.8,7652.0 3733.2,5958.4 4307.2,3454.4 4736.8,3451.2 4753.2,0.0 2747.9,0.0 2695.0,426.7 2158.6,120.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[928.2,6564.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.849073,42.503674]}},{"type":"Feature","properties":{"resourceCoords":[2832.7,1832.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.846332,42.505002]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0007__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marblehead, Massachusetts | 1890 | sanborn03777_002 p7 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"3733.2"},{"label":"split_canvas_y","value":"3440.0"},{"label":"split_canvas_w","value":"2718.8"},{"label":"split_canvas_h","value":"4212.0"}],"created":"2026-09-22T03:45:21Z","modified":"2026-09-22T03:45:21Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0007__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5312.5,7370.7 5676.1,7652.0 6452.0,7652.0 6452.0,3440.0 4736.8,3451.2 4307.2,3454.4 3733.2,5958.4 3760.8,7652.0 5179.9,7652.0 5312.5,7370.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0007__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[3733.2,3440.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.8564571715598,42.50550979157129]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,3440.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.85482907857221,42.50509784485593]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.85569711650189,42.50324155862203]}},{"type":"Feature","properties":{"resourceCoords":[3733.2,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.85732520948947,42.50365350533739]}},{"type":"Feature","properties":{"resourceCoords":[5312.5,7372.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8563215,42.5035382]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marblehead, Massachusetts | 1890 | sanborn03777_002 p8 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4786.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T03:45:21Z","modified":"2026-09-22T03:45:21Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0008__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3069.2,1070.6 2093.4,-0.0 -0.0,0.0 0.0,5274.4 0.0,5409.6 1972.8,5378.0 2017.6,7652.0 4786.8,7652.0 4759.2,6030.8 4486.4,6032.4 4024.8,4411.6 3577.2,3677.6 3990.5,1669.4 3069.2,1070.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3023.2,1356.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.8519701,42.5062198]}},{"type":"Feature","properties":{"resourceCoords":[3023.2,5836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.855008,42.506348]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0008__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marblehead, Massachusetts | 1890 | sanborn03777_002 p8 [2]","metadata":[{"label":"streets","value":"1"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"3245.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3206.4"},{"label":"split_canvas_h","value":"6032.4"}],"created":"2026-09-22T03:45:21Z","modified":"2026-09-22T03:45:21Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0008__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,1184.8 6452.0,0.0 3245.6,-0.0 3275.6,796.4 4033.2,1462.0 3577.2,3677.6 4024.8,4411.6 4486.4,6032.4 4759.2,6030.8 6452.0,6022.0 6452.0,1184.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0008__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2286.1,3820.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.850129,42.508758]}},{"type":"Feature","properties":{"resourceCoords":[5464.5,-1044.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.848574,42.509488]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0008__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Marblehead, Massachusetts | 1890 | sanborn03777_002 p8 [4]","metadata":[{"label":"streets","value":"1"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"4759.2"},{"label":"split_canvas_y","value":"6022.0"},{"label":"split_canvas_w","value":"1692.8"},{"label":"split_canvas_h","value":"1630.0"}],"created":"2026-09-22T03:45:21Z","modified":"2026-09-22T03:45:21Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0008__4/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 6452.0,6022.0 4759.2,6030.8 4786.8,7652.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764mm:g037771890:03777_1890-0008__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[4759.2,6022.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.8598741663303,42.50359598439872]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,6022.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.85905723211161,42.503083648712014]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.8597274482391,42.50250539898798]}},{"type":"Feature","properties":{"resourceCoords":[4759.2,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.86054438245779,42.503017734674685]}},{"type":"Feature","properties":{"resourceCoords":[6292.3,6497.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.859329,42.502964]}}]}}]}