{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03499_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Madison, Maine | 1911 | 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":"18"},{"label":"placed","value":"12"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 6, georef-snap 4, snap:0 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 14 panels"},{"label":"unplaced pages","value":"p10__2 (tier 1, 45.05453,-69.88331 +/-179m); p1__1 (tier 1, 44.80153,-69.89062 +/-100m); p1__2 (tier 1, 44.79811,-69.87546 +/-100m); p1__3 (tier 1, 44.79995,-69.89227 +/-123m); p2__1 (tier 1, 44.79873,-69.88550 +/-126m); p3__3 (tier 1, 44.79766,-69.88420 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Maine | 1911 | sanborn03499_004 p10 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2250.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5402.0"}],"created":"2026-09-22T09:03:25Z","modified":"2026-09-22T09:03:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0010__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"735.5,1686.7 1399.3,1646.4 1481.3,1913.0 1613.0,1913.0 1613.0,696.6 0.0,562.5 0.0,1637.2 735.5,1686.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[319.0,771.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.89099,44.800313]}},{"type":"Feature","properties":{"resourceCoords":[458.0,1660.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.888691,44.799883]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Maine | 1911 | sanborn03499_004 p2 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"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":"2026-09-22T09:03:25Z","modified":"2026-09-22T09:03:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,904.2 1131.6,909.9 1117.1,869.3 1106.3,821.0 1096.6,746.6 1297.1,743.0 1297.2,0.0 506.8,0.0 437.1,288.1 336.4,533.0 259.6,893.0 216.5,980.5 167.2,1031.6 -0.0,1121.0 0.0,1140.9 964.1,1913.0 1613.0,1913.0 1613.0,904.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[868.0,742.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.8861073,44.7982423]}},{"type":"Feature","properties":{"resourceCoords":[1946.0,742.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.879758,44.797714]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Maine | 1911 | sanborn03499_004 p3 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3027.2"},{"label":"split_canvas_h","value":"4896.8"}],"created":"2026-09-22T09:03:25Z","modified":"2026-09-22T09:03:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"638.8,1058.6 649.6,0.0 -0.0,-0.0 -0.0,769.5 190.3,772.4 193.9,1104.4 638.8,1058.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[638.8,1058.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.88198,44.800504]}},{"type":"Feature","properties":{"resourceCoords":[193.9,1104.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.883142,44.800504]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Maine | 1911 | sanborn03499_004 p3 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"2108.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4343.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T09:03:25Z","modified":"2026-09-22T09:03:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1070.6,1539.7 615.4,1553.0 695.4,1913.0 1613.0,1908.1 1613.0,102.8 1064.0,182.0 1070.6,1539.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1064.0,182.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.883142,44.800504]}},{"type":"Feature","properties":{"resourceCoords":[1511.0,1543.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.8824415,44.7979156]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Maine | 1911 | sanborn03499_004 p4","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"10"}],"created":"2026-09-22T09:03:25Z","modified":"2026-09-22T09:03:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1300.0,1674.0 1278.4,1886.9 171.0,1913.0 216.8,871.6 -0.0,864.1 -0.0,-0.0 1613.0,0.0 1613.0,1585.9 1300.0,1674.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1359.0,984.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.878725,44.80208]}},{"type":"Feature","properties":{"resourceCoords":[214.0,984.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.881702,44.802223]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Maine | 1911 | sanborn03499_004 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T09:03:25Z","modified":"2026-09-22T09:03:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"254.9,1913.0 364.4,119.5 1377.1,81.6 1165.7,1913.0 254.9,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.88261029054082,44.800763204923626]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.878474516223,44.80055631861245]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.87881788018585,44.79705126164607]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.88295365450368,44.797258147957244]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Maine | 1911 | sanborn03499_004 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T09:03:25Z","modified":"2026-09-22T09:03:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"925.1,1706.0 54.0,1793.7 3.6,1913.0 466.9,142.9 791.2,100.2 804.5,0.0 1613.0,0.0 1613.0,1913.0 1177.6,1913.0 1194.5,1723.7 925.1,1706.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.88023581829249,44.80102557020655]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.87605923069786,44.801242754482324]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.87569877261129,44.797703136396784]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.87987536020592,44.79748595212101]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Maine | 1911 | sanborn03499_004 p7 [1]","metadata":[{"label":"streets","value":"7"},{"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":"2026-09-22T09:03:25Z","modified":"2026-09-22T09:03:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,497.7 -0.0,1714.0 484.2,1819.3 461.3,1913.0 1613.0,1913.0 1613.0,1266.7 761.0,1267.5 754.2,835.5 1613.0,826.9 1613.0,0.0 1370.4,0.0 454.9,177.7 378.8,518.4 -0.0,497.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1097.0,1743.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.878198,44.794903]}},{"type":"Feature","properties":{"resourceCoords":[1336.0,7.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-69.8775189,44.7979935]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Maine | 1911 | sanborn03499_004 p7 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"3016.8"},{"label":"split_canvas_y","value":"3307.6"},{"label":"split_canvas_w","value":"3435.2"},{"label":"split_canvas_h","value":"1762.4"}],"created":"2026-09-22T09:03:25Z","modified":"2026-09-22T09:03:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0007__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1266.7 1613.0,826.9 754.2,835.5 761.0,1267.5 1613.0,1266.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[754.2,826.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.87913270458971,44.79551749601053]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,826.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.87694945056593,44.79574292066352]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1267.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.87678713755989,44.7949401147384]}},{"type":"Feature","properties":{"resourceCoords":[754.2,1267.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.87897039158368,44.794714690085414]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Maine | 1911 | sanborn03499_004 p8 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3579.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T09:03:25Z","modified":"2026-09-22T09:03:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"639.8,183.9 277.5,180.1 285.8,0.0 0.0,-0.0 -0.0,1913.0 894.8,1913.0 880.4,464.1 660.8,333.4 639.8,183.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.88317184007396,44.79292962744173]}},{"type":"Feature","properties":{"resourceCoords":[894.8,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.88090525748866,44.79257823529163]}},{"type":"Feature","properties":{"resourceCoords":[894.8,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.8819562020646,44.7891159116648]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.8842227846499,44.7894673038149]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0008__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Maine | 1911 | sanborn03499_004 p8 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"3504.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2947.2"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T09:03:25Z","modified":"2026-09-22T09:03:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0008__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1510.5,1913.0 1613.0,1913.0 1613.0,160.5 1126.3,176.4 1082.6,0.0 876.2,0.0 879.7,391.3 892.1,1643.9 1240.5,1631.3 1268.7,1780.7 1510.5,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0008__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[876.2,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.88147962966055,44.79541925149901]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.8796455964162,44.79507067340032]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.88091162468166,44.79166848105777]}},{"type":"Feature","properties":{"resourceCoords":[876.2,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.88274565792601,44.792017059156464]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Madison, Maine | 1911 | sanborn03499_004 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T09:03:25Z","modified":"2026-09-22T09:03:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"915.9,1529.0 481.9,1509.9 244.8,1913.0 -0.0,1913.0 0.0,-0.0 1027.8,0.0 973.2,49.5 1613.0,739.0 1613.0,974.0 1258.1,1365.5 1072.2,1486.3 915.9,1529.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd373m:g3734m:g3734mm:g3734mm_g034991911:03499_1911-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.89419187774368,44.799290670749144]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.8903728355215,44.80048512367519]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.88839045322679,44.79724846208856]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-69.89220949544897,44.79605400916252]}}]}}]}