{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn03537_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Sanford, Maine | 1921 | 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":"25"},{"label":"placed","value":"17"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef 12, georef-snap 5"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"7 sheet(s) cut into 16 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 43.44228,-70.78032 +/-242m); p15__1 (tier 2, 43.46763,-70.79680 +/-100m); p15__2 (tier 2, 43.46763,-70.79680 +/-100m); p4__2 (tier 1, 43.43746,-70.77550 +/-100m); p7__2 (tier 1, 43.43787,-70.77276 +/-100m); p7__3 (tier 1, 43.43801,-70.77313 +/-122m); p8__2 (tier 1, 43.44302,-70.76691 +/-100m); p9__2 (tier 1, 43.43674,-70.77061 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sanford, Maine | 1921 | sanborn03537_006 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T19:31:02Z","modified":"2026-09-22T19:31:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0010/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 -0.0,-0.0 6452.0,0.0 6452.0,6169.4 6179.3,6149.1 6325.6,6527.8 4757.8,7574.3 3991.6,6300.0 3085.1,6346.2 1128.3,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.77666444170225,43.446810944932984]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.77292265102838,43.44778389163099]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.77134444722563,43.44453925059546]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.7750862378995,43.443566303897455]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sanford, Maine | 1921 | sanborn03537_006 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T19:31:02Z","modified":"2026-09-22T19:31:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0011/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0011/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3813.7,0.0 4757.7,0.0 5608.3,1774.7 5997.3,3479.7 6175.4,7512.2 6452.0,7505.6 6452.0,7652.0 1352.4,7652.0 280.5,4516.1 -0.0,4611.9 0.0,-0.0 698.4,0.0 639.5,1156.8 1775.9,1214.7 3813.7,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.77571698985243,43.443934079746505]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.77207863349861,43.445035693985105]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.77029180149181,43.44188060032555]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.77393015784563,43.44077898608695]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sanford, Maine | 1921 | sanborn03537_006 p12","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"14"}],"created":"2026-09-22T19:31:02Z","modified":"2026-09-22T19:31:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0012/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0012/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3165.6,7295.6 201.5,7180.7 294.3,3284.5 -0.0,1119.1 1526.0,332.8 1441.3,0.0 6452.0,0.0 6452.0,7652.0 3341.7,7652.0 3165.6,7295.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5144.0,2720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.7689158,43.4447454]}},{"type":"Feature","properties":{"resourceCoords":[3344.0,7296.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.7686563,43.4424853]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sanford, Maine | 1921 | sanborn03537_006 p13","metadata":[{"label":"streets","value":"19"},{"label":"intersections","value":"21"}],"created":"2026-09-22T19:31:02Z","modified":"2026-09-22T19:31:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0013/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0013/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 6452.0,0.0 6452.0,6901.2 6035.4,6861.8 5936.0,7064.0 4276.4,7090.2 4289.9,6932.6 3560.6,6866.4 3591.0,6608.6 2666.6,6499.8 1587.6,7473.2 1144.1,6805.9 805.5,6618.1 0.0,6462.7 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3440.0,6856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.7807068,43.4418155]}},{"type":"Feature","properties":{"resourceCoords":[5936.0,7064.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.778649,43.443523]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sanford, Maine | 1921 | sanborn03537_006 p14","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-22T19:31:02Z","modified":"2026-09-22T19:31:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0014/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0014/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 6452.0,0.0 6452.0,5960.5 3254.9,7652.0 0.0,7652.0 0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2160.0,3088.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.7963928,43.4648579]}},{"type":"Feature","properties":{"resourceCoords":[3372.0,3088.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.7966617,43.4653734]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0016__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sanford, Maine | 1921 | sanborn03537_006 p16 [1]","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"13"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4041.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T19:31:02Z","modified":"2026-09-22T19:31:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0016__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0016/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,4173.7 327.1,4256.6 733.5,5928.5 352.9,7429.4 -0.0,7340.0 -0.0,7652.0 1358.3,7652.0 2237.4,7139.7 2780.7,6951.7 3204.6,7408.7 3230.8,3015.2 4041.6,3013.6 4041.6,0.0 0.0,0.0 -0.0,4173.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0016__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[704.3,5828.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.794068,43.466122]}},{"type":"Feature","properties":{"resourceCoords":[2176.9,944.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.7961674,43.4707597]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0016__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sanford, Maine | 1921 | sanborn03537_006 p16 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"4041.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2410.4"},{"label":"split_canvas_h","value":"3013.6"}],"created":"2026-09-22T19:31:02Z","modified":"2026-09-22T19:31:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0016__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0016/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,1010.9 5866.6,753.0 4761.8,505.8 4217.1,0.0 4041.6,0.0 4041.6,3013.6 6452.0,3010.4 6452.0,1010.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0016__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4677.2,1616.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.7907225,43.4647783]}},{"type":"Feature","properties":{"resourceCoords":[4677.2,2677.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.7894954,43.4645858]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0016__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sanford, Maine | 1921 | sanborn03537_006 p16 [3]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3203.2"},{"label":"split_canvas_y","value":"3010.4"},{"label":"split_canvas_w","value":"3248.8"},{"label":"split_canvas_h","value":"4641.6"}],"created":"2026-09-22T19:31:02Z","modified":"2026-09-22T19:31:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0016__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0016/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3230.8,3018.1 3203.2,7652.0 6452.0,7652.0 6452.0,3752.8 5282.4,3592.9 3230.8,3018.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0016__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3634.8,3913.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.7968547,43.4631348]}},{"type":"Feature","properties":{"resourceCoords":[4561.9,3913.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.7957974,43.4635519]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sanford, Maine | 1921 | sanborn03537_006 p2 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2809.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T19:31:02Z","modified":"2026-09-22T19:31:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0002__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1554.7,2372.1 1321.7,1665.4 887.9,1802.3 538.6,2045.0 309.5,2435.1 154.2,3046.2 -0.0,3027.0 0.0,6909.6 -0.0,7652.0 1374.0,7652.0 1567.6,6908.0 2809.6,3419.6 2558.0,2946.0 2554.0,2567.6 1554.7,2372.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[996.6,4420.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.7836762,43.4378757]}},{"type":"Feature","properties":{"resourceCoords":[1464.8,1648.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.781065,43.44001]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sanford, Maine | 1921 | sanborn03537_006 p2 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"1374.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5078.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T19:31:02Z","modified":"2026-09-22T19:31:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0002__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6199.4,6807.0 6177.2,5394.1 6452.0,5507.5 6452.0,0.0 5613.2,0.0 5188.0,0.0 4597.2,0.0 2688.6,2178.8 2824.1,2515.3 2555.1,2666.4 2558.0,2946.0 2809.6,3419.6 1567.6,6908.0 1374.0,7652.0 2417.7,7652.0 6199.4,6807.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6212.1,524.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.7807068,43.4418155]}},{"type":"Feature","properties":{"resourceCoords":[4616.7,4704.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.7794797,43.4399881]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sanford, Maine | 1921 | sanborn03537_006 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T19:31:02Z","modified":"2026-09-22T19:31:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1792.9,464.0 1798.1,776.3 5050.5,416.1 5205.1,0.0 6452.0,0.0 6452.0,7652.0 5024.2,7652.0 5050.5,7514.1 1724.1,7169.1 1755.1,6475.6 -0.0,6691.6 -0.0,5292.1 270.3,5410.7 348.1,469.6 1792.9,464.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.78097304883596,43.44192318794559]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.77825277912413,43.4441308144026]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.77467204198786,43.44177182320123]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.77739231169969,43.43956419674422]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sanford, Maine | 1921 | sanborn03537_006 p4 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"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":"2026-09-22T19:31:02Z","modified":"2026-09-22T19:31:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0004__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5716.0,7042.1 6072.9,4862.4 5677.5,0.0 4805.0,117.2 -0.0,1918.4 0.0,4839.6 1417.6,4838.8 1421.2,6128.0 0.0,6139.2 -0.0,7652.0 480.0,7652.0 1356.0,7652.0 3448.5,7652.0 5716.0,7042.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3048.0,4308.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.776803,43.438231]}},{"type":"Feature","properties":{"resourceCoords":[6056.0,4308.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.7753273,43.4390643]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sanford, Maine | 1921 | sanborn03537_006 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T19:31:02Z","modified":"2026-09-22T19:31:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1012.2,4712.2 939.9,461.1 4321.1,420.2 4310.8,561.8 5744.8,395.5 5699.0,0.0 6452.0,0.0 6452.0,4132.3 5104.7,4370.7 5689.1,5366.9 5872.3,6199.5 2026.6,6730.0 2151.2,7652.0 341.4,7652.0 1012.2,4712.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.77752061238108,43.44017768124451]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.77450426830215,43.442119899831866]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.77135411893214,43.43950407267098]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.77437046301107,43.437561854083626]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sanford, Maine | 1921 | sanborn03537_006 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T19:31:02Z","modified":"2026-09-22T19:31:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6034.5,1088.1 5554.0,7528.3 1126.2,7432.4 1468.3,6724.6 0.0,6053.1 -0.0,-0.0 4626.6,0.0 4327.9,645.8 4285.9,736.7 6034.5,1088.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.77622187694293,43.43629433978078]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.77375231757416,43.43866754747043]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.76990335524913,43.43652577780505]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.77237291461789,43.4341525701154]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sanford, Maine | 1921 | sanborn03537_006 p7 [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":"5164.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T19:31:02Z","modified":"2026-09-22T19:31:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0007__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4325.0,237.7 523.3,302.5 509.6,7623.9 4865.7,7298.4 4325.0,237.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1900.3,2168.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.7723277,43.438391]}},{"type":"Feature","properties":{"resourceCoords":[528.1,2168.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.772909,43.4379149]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sanford, Maine | 1921 | sanborn03537_006 p8 [1]","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T19:31:02Z","modified":"2026-09-22T19:31:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0008__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"375.6,7019.8 2439.7,7030.8 2352.3,7652.0 6452.0,7652.0 6452.0,2150.4 6013.4,1912.0 4030.4,1866.8 4001.2,926.6 2389.9,0.0 54.3,0.0 342.6,912.9 375.6,7019.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1152.0,7024.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.7682316,43.4382031]}},{"type":"Feature","properties":{"resourceCoords":[9448.0,7024.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.7641184,43.4421003]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Sanford, Maine | 1921 | sanborn03537_006 p9 [1]","metadata":[{"label":"streets","value":"15"},{"label":"intersections","value":"16"},{"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":"2026-09-22T19:31:02Z","modified":"2026-09-22T19:31:02Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0009__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 6452.0,2432.4 4006.8,2458.4 3980.4,0.0 429.4,-0.0 1178.2,5557.6 811.8,5440.3 592.1,6196.0 -0.0,6279.2 -0.0,7652.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd373m:g3734m:g3734sm:g3734sm_g035371921:03537_1921-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2576.0,2088.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.7675675,43.4359841]}},{"type":"Feature","properties":{"resourceCoords":[2096.0,5812.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.7714528,43.4338417]}}]}}]}