{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn01132_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Hartford, Connecticut | 1917 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"36"},{"label":"placed","value":"19"},{"label":"unplaced","value":"17"},{"label":"fit sources","value":"georef 9, georef-snap 8, georef-street 1, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"3 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p12 (tier 2, 41.75420,-72.67126 +/-1086m); p13 (tier 2, 41.77774,-72.69027 +/-919m); p16__1 (tier 2, 41.79455,-72.70121 +/-1165m); p16__2 (tier 2, 41.79455,-72.70121 +/-1165m); p18 (tier 2, 41.75120,-72.70158 +/-925m); p19 (tier 2, 41.73149,-72.68003 +/-901m); p1a (tier 3, 41.78386,-72.70920 +/-1870m); p1b (tier 3, 41.78386,-72.70920 +/-1870m); p1c (tier 3, 41.78386,-72.70920 +/-1870m); p1d (tier 3, 41.78386,-72.70920 +/-1870m); p20 (tier 2, 41.73132,-72.66837 +/-100m); p21__1 (tier 2, 41.79686,-72.67219 +/-100m); p22 (tier 2, 41.78861,-72.66702 +/-100m); p23 (tier 2, 41.76611,-72.74106 +/-3019m); p25 (tier 2, 41.74212,-72.72492 +/-100m); p29 (tier 2, 41.75437,-72.74509 +/-1422m); p6 (tier 2, 41.76400,-72.66897 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000100/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hartford, Connecticut | 1917 | sanborn01132_004 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:36:55Z","modified":"2026-09-23T21:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000100/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000100","type":"ImageService3","width":3389,"height":2402},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1003.0,334.9 1390.2,310.2 1410.8,264.3 2151.0,126.5 2167.8,271.4 2599.2,180.8 2610.9,256.8 3011.2,189.2 3008.2,0.0 3389.0,0.0 3389.0,2402.0 -0.0,2402.0 -0.0,431.6 1007.2,416.0 1003.0,334.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000100/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.69389980099547,41.74493417186061]}},{"type":"Feature","properties":{"resourceCoords":[3389.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.66665148293988,41.74522459686559]}},{"type":"Feature","properties":{"resourceCoords":[3389.0,2402.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.66637756114719,41.73071183769129]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2402.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.69362587920277,41.73042141268631]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000110/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hartford, Connecticut | 1917 | sanborn01132_004 p11","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:36:55Z","modified":"2026-09-23T21:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000110/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000110","type":"ImageService3","width":3368,"height":2391},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"337.4,1953.0 508.0,1955.7 546.9,2152.7 545.5,2116.4 479.6,1816.0 -0.0,1885.3 -0.0,-0.0 59.9,0.0 382.0,70.7 573.6,81.7 582.5,136.3 592.0,116.7 959.6,197.3 959.4,231.8 1241.7,230.7 1238.9,306.8 2039.0,311.2 2045.2,242.5 2518.7,258.9 2550.5,300.1 2578.5,256.7 2741.8,190.6 2762.3,315.2 2869.8,315.8 2871.5,0.0 3368.0,0.0 3368.0,2192.5 2963.6,2254.8 2953.0,2177.4 2517.0,2262.6 2502.4,2115.3 1754.5,2243.5 1732.9,2289.7 1342.5,2308.7 1345.5,2391.0 1161.2,2391.0 330.5,2391.0 337.4,1953.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000110/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.6970583,41.7564983]}},{"type":"Feature","properties":{"resourceCoords":[3368.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.6701909,41.7570987]}},{"type":"Feature","properties":{"resourceCoords":[3368.0,2391.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.6696196,41.742867700000005]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2391.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.696487,41.7422673]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000140/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hartford, Connecticut | 1917 | sanborn01132_004 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:36:55Z","modified":"2026-09-23T21:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000140/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000140","type":"ImageService3","width":3396,"height":2373},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3396.0,2373.0 4.5,2373.0 -0.0,2362.3 0.0,0.0 3396.0,0.0 3396.0,2373.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000140/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.6873600375807,41.80067261780071]}},{"type":"Feature","properties":{"resourceCoords":[3396.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.66132868544392,41.79525067821787]}},{"type":"Feature","properties":{"resourceCoords":[3396.0,2373.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.66637458960408,41.781593137095854]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2373.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.69240594174086,41.78701507667869]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000150/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hartford, Connecticut | 1917 | sanborn01132_004 p15","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"14"}],"created":"2026-09-23T21:36:55Z","modified":"2026-09-23T21:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000150/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000150","type":"ImageService3","width":3405,"height":2377},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"535.5,1782.7 570.3,440.6 823.3,503.1 905.3,559.8 884.2,576.8 860.4,624.1 824.8,775.0 800.5,953.8 779.6,1322.3 802.7,1344.6 957.5,1384.1 895.6,1675.2 1380.1,662.7 -0.0,-0.0 3405.0,0.0 3405.0,2036.4 2847.7,1987.1 2665.8,2217.3 2797.0,2312.5 2929.4,2377.0 2431.1,2377.0 2631.8,1968.0 535.5,1782.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000150/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2612.0,1132.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.6983567,41.7846515]}},{"type":"Feature","properties":{"resourceCoords":[2221.0,128.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7024984,41.7902904]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000170/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hartford, Connecticut | 1917 | sanborn01132_004 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:36:55Z","modified":"2026-09-23T21:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000170/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000170","type":"ImageService3","width":3399,"height":2391},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2391.0 -0.0,267.0 184.3,54.8 307.6,120.6 414.4,0.0 3273.3,0.0 3281.8,142.0 3112.6,115.0 2749.9,2391.0 -0.0,2391.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000170/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.71841313557111,41.74242705365344]}},{"type":"Feature","properties":{"resourceCoords":[3399.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.69181494666952,41.745903680485874]}},{"type":"Feature","properties":{"resourceCoords":[3399.0,2391.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.68856052859684,41.73184341167403]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2391.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.71515871749843,41.72836678484159]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb00001e/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hartford, Connecticut | 1917 | sanborn01132_004 p1e","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"12"}],"created":"2026-09-23T21:36:55Z","modified":"2026-09-23T21:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb00001e/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb00001e","type":"ImageService3","width":3422,"height":2341},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"123.9,2186.8 -0.0,2189.8 -0.0,73.2 1464.6,254.1 1480.2,100.0 1517.5,105.9 3200.2,767.6 3422.0,834.4 3422.0,2341.0 3204.5,2341.0 3161.4,2088.8 2831.6,2224.4 2775.2,2312.8 2710.4,2229.6 1751.3,2201.7 1739.4,2341.0 119.1,2341.0 123.9,2186.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb00001e/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3161.0,2089.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.675141,41.7558528]}},{"type":"Feature","properties":{"resourceCoords":[632.0,1913.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.6851227,41.7561876]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hartford, Connecticut | 1917 | sanborn01132_004 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:36:55Z","modified":"2026-09-23T21:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000020","type":"ImageService3","width":3398,"height":2366},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1943.3,2285.5 448.3,2248.7 444.2,2366.0 130.0,2366.0 119.0,2261.2 -0.0,2261.9 -0.0,1542.2 376.1,1467.6 713.1,1519.8 704.4,1010.0 721.8,788.5 -0.0,902.6 -0.0,752.4 138.0,727.5 316.6,637.2 250.5,78.3 883.9,0.0 1425.8,0.0 2167.5,82.4 2226.4,125.6 2364.9,445.8 2772.8,431.0 2753.6,800.0 3264.1,839.1 3398.0,962.8 3398.0,1710.0 3282.0,1775.0 3284.8,1706.3 3260.4,1644.9 3029.4,1535.2 2784.2,2355.1 1965.1,2134.2 1943.9,2133.3 1943.3,2285.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000020/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.68905558246308,41.76836505353427]}},{"type":"Feature","properties":{"resourceCoords":[3398.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.67556017003093,41.767622921594544]}},{"type":"Feature","properties":{"resourceCoords":[3398.0,2366.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.67624810074332,41.76056453701638]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2366.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.68974351317547,41.7613066689561]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000210__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hartford, Connecticut | 1917 | sanborn01132_004 p21 [2]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"13"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"9155.6"},{"label":"split_canvas_h","value":"4510.4"}],"created":"2026-09-23T21:36:55Z","modified":"2026-09-23T21:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000210__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000210","type":"ImageService3","width":3424,"height":2346},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 0.0,1061.0 -0.0,1127.6 961.1,1060.1 1628.9,1059.5 2288.9,1015.5 2156.3,0.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000210__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[362.0,889.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.705504,41.802329]}},{"type":"Feature","properties":{"resourceCoords":[1370.0,300.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.6977764,41.8059572]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000240/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hartford, Connecticut | 1917 | sanborn01132_004 p24","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"14"}],"created":"2026-09-23T21:36:55Z","modified":"2026-09-23T21:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000240/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000240","type":"ImageService3","width":3448,"height":2362},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3448.0,2362.0 -0.0,2362.0 -0.0,-0.0 2038.2,0.0 2091.5,263.1 2237.3,233.7 2236.8,51.8 3167.7,44.1 3158.7,380.9 3119.1,588.2 3082.7,660.4 3075.2,668.6 2958.2,1660.1 3294.6,1703.0 3352.1,1118.1 3358.0,661.0 3448.0,651.5 3448.0,2362.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000240/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3128.0,548.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7418922,41.7628247]}},{"type":"Feature","properties":{"resourceCoords":[2411.0,538.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7472727,41.7619084]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000260/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hartford, Connecticut | 1917 | sanborn01132_004 p26","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:36:55Z","modified":"2026-09-23T21:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000260/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000260","type":"ImageService3","width":3445,"height":2361},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2942.6,889.7 3043.2,1099.6 3062.7,1170.1 2978.5,1551.8 1942.1,1719.5 2045.9,2361.0 477.9,2361.0 446.2,2136.0 309.7,2045.7 358.4,1912.4 118.8,1757.1 0.0,1773.9 0.0,-0.0 2864.1,0.0 2942.6,889.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000260/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.73175409910155,41.73982835290361]}},{"type":"Feature","properties":{"resourceCoords":[3445.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.73261798872817,41.760059233215586]}},{"type":"Feature","properties":{"resourceCoords":[3445.0,2361.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.71416374052048,41.76050405925684]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2361.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.71329985089386,41.74027317894486]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000270/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hartford, Connecticut | 1917 | sanborn01132_004 p27","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:36:55Z","modified":"2026-09-23T21:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000270/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000270","type":"ImageService3","width":3454,"height":2328},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"273.4,1215.6 317.2,1656.7 324.9,2226.4 -0.0,2220.9 -0.0,1252.9 33.9,1170.8 49.8,966.9 22.0,641.3 33.5,274.9 25.2,41.8 470.2,76.5 476.1,0.0 2342.4,0.0 2339.6,28.3 2495.7,54.5 2524.0,35.7 2530.7,0.0 2708.8,0.0 2673.0,216.3 2263.1,220.4 1826.4,186.9 1821.2,217.6 2744.6,656.5 2857.2,217.3 3406.8,213.6 3336.8,1085.0 3454.0,1082.6 3454.0,2216.8 3443.5,2316.2 3014.4,2293.1 3008.9,2328.0 2898.8,2328.0 2951.1,1986.0 2840.8,1986.7 2751.1,2328.0 2552.2,2328.0 2262.2,2236.4 2190.8,2248.8 1973.9,2328.0 486.9,2328.0 357.4,1197.4 273.4,1215.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000270/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.74334100612718,41.769441843209336]}},{"type":"Feature","properties":{"resourceCoords":[3454.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.71633253662148,41.77208124352646]}},{"type":"Feature","properties":{"resourceCoords":[3454.0,2328.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.7139642505811,41.75840734446817]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2328.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.7409727200868,41.755767944151046]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000280__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hartford, Connecticut | 1917 | sanborn01132_004 p28 [1]","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"14"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"13820.0"},{"label":"split_canvas_h","value":"9420.0"}],"created":"2026-09-23T21:36:55Z","modified":"2026-09-23T21:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000280__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000280","type":"ImageService3","width":3455,"height":2355},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"29.4,834.1 0.0,842.5 0.0,1842.8 437.9,1756.1 673.3,2239.2 370.6,2355.0 1781.8,2355.0 1780.8,2206.7 2041.5,2099.3 2042.4,2101.3 3306.8,1535.2 3359.3,1788.4 3343.7,1886.0 3319.5,1874.5 3266.9,1873.4 3116.7,1906.2 2946.3,1960.9 2607.8,2100.1 2597.7,2130.3 2628.7,2285.7 2341.7,2355.0 2811.0,2355.0 3455.0,2355.0 3455.0,0.0 2284.2,0.0 1658.1,0.0 1602.5,403.1 1279.7,420.8 1052.0,900.9 217.5,800.8 413.5,1210.0 387.2,1219.5 429.9,1368.3 458.5,1385.2 493.1,1376.0 568.2,1533.1 360.9,1593.2 184.2,1233.4 29.4,834.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000280__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1865.0,1305.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7206542,41.7793494]}},{"type":"Feature","properties":{"resourceCoords":[209.0,1282.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.724985,41.7699246]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000280__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hartford, Connecticut | 1917 | sanborn01132_004 p28 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6632.4"},{"label":"split_canvas_h","value":"3603.6"}],"created":"2026-09-23T21:36:55Z","modified":"2026-09-23T21:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000280__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000280","type":"ImageService3","width":3455,"height":2355},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1052.7,899.4 1058.5,887.1 1175.8,557.8 1238.7,335.6 1427.6,412.7 1602.5,403.1 1658.1,0.0 -0.0,-0.0 0.0,774.7 164.1,794.4 176.9,729.7 1052.7,899.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000280__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[775.0,845.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7447285,41.7652717]}},{"type":"Feature","properties":{"resourceCoords":[1054.1,899.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.7425166,41.7656919]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hartford, Connecticut | 1917 | sanborn01132_004 p3","metadata":[{"label":"streets","value":"19"},{"label":"intersections","value":"26"}],"created":"2026-09-23T21:36:55Z","modified":"2026-09-23T21:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000030","type":"ImageService3","width":3429,"height":2342},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1722.0,1813.6 -0.0,2140.6 -0.0,473.5 739.1,529.6 814.5,635.0 746.9,451.6 779.5,132.3 792.7,0.0 1830.6,0.0 1991.5,72.8 2009.7,0.0 3429.0,0.0 3429.0,650.4 3414.6,644.9 3352.3,790.4 3329.3,928.4 3350.5,2157.2 2941.9,2201.4 2779.4,1887.5 2700.5,1845.2 1722.0,1813.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000030/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2741.0,1500.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.6801784,41.7686528]}},{"type":"Feature","properties":{"resourceCoords":[1286.0,1883.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.6860932,41.7681537]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000040/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hartford, Connecticut | 1917 | sanborn01132_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:36:55Z","modified":"2026-09-23T21:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000040/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000040","type":"ImageService3","width":3423,"height":2346},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1356.7,2123.3 1124.2,2130.7 156.4,2074.7 214.0,1208.2 467.3,1264.6 505.2,1319.9 518.0,1388.4 618.1,1298.0 531.9,919.8 3075.6,155.2 3028.9,0.0 3423.0,0.0 3423.0,2346.0 1430.9,2346.0 1356.7,2123.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000040/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.67688452557417,41.766713321466774]}},{"type":"Feature","properties":{"resourceCoords":[3423.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.66404194591327,41.76375784631083]}},{"type":"Feature","properties":{"resourceCoords":[3423.0,2346.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.6667384668494,41.757146072285856]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2346.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.6795810465103,41.7601015474418]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000050/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hartford, Connecticut | 1917 | sanborn01132_004 p5","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-23T21:36:55Z","modified":"2026-09-23T21:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000050/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000050","type":"ImageService3","width":3444,"height":2342},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"883.9,1987.0 760.8,1848.3 260.5,1775.1 451.0,214.4 474.2,120.4 540.5,0.0 3444.0,0.0 3444.0,2342.0 860.0,2342.0 883.9,1987.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000050/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[558.0,1421.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.6771442,41.7664376]}},{"type":"Feature","properties":{"resourceCoords":[1496.0,1628.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.6733656,41.7658009]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000070/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hartford, Connecticut | 1917 | sanborn01132_004 p7","metadata":[{"label":"streets","value":"14"},{"label":"intersections","value":"7"}],"created":"2026-09-23T21:36:55Z","modified":"2026-09-23T21:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000070/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000070","type":"ImageService3","width":3411,"height":2343},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"160.6,367.9 41.3,115.5 432.0,0.0 575.2,0.0 634.1,189.3 770.2,365.6 798.9,336.2 833.4,323.7 1787.8,265.9 1769.3,205.8 1782.5,203.6 2224.8,231.5 2499.0,265.9 2302.6,1175.4 3247.3,1193.3 3269.6,981.8 3411.0,985.8 3411.0,2343.0 3140.8,2343.0 3138.5,2286.5 3101.8,2278.9 3134.8,2197.1 3113.5,1678.8 2887.1,1665.2 2796.9,1702.8 2847.9,1663.0 2860.8,1292.8 2028.5,1327.0 2124.3,1718.8 1846.7,1784.0 1788.8,1695.1 1770.8,1632.2 1695.2,1640.8 1793.4,1995.2 1680.9,1999.2 1424.7,2032.8 1432.0,1861.3 1373.2,1677.5 1010.9,1718.8 1016.4,1780.5 965.8,1789.8 983.5,1946.9 1036.3,1938.0 1044.4,1959.8 13.7,2179.9 0.0,2122.9 0.0,1575.4 33.0,1583.0 0.0,1358.5 0.0,413.9 101.2,394.9 160.6,367.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000070/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2858.0,1385.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.6896054,41.7727006]}},{"type":"Feature","properties":{"resourceCoords":[992.0,786.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.6969965,41.7625273]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000080/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hartford, Connecticut | 1917 | sanborn01132_004 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:36:55Z","modified":"2026-09-23T21:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000080/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000080","type":"ImageService3","width":3437,"height":2329},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"843.2,1035.2 904.7,61.0 787.2,55.9 795.3,0.0 2869.7,0.0 2825.5,95.6 2887.0,104.2 2587.2,1012.1 2586.2,1048.8 2603.1,1086.3 2387.7,1147.4 2148.7,1128.3 2098.8,1670.7 2379.2,1653.5 2379.5,1762.8 2362.8,1819.7 2875.5,2036.7 2827.7,2329.0 -0.0,2329.0 -0.0,1255.7 122.1,1263.4 233.5,927.4 344.1,933.6 270.0,1272.8 380.2,1279.7 387.9,1245.2 816.2,1295.4 860.2,1036.7 843.2,1035.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000080/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.72230194956165,41.76505368931521]}},{"type":"Feature","properties":{"resourceCoords":[3437.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.69578862967899,41.76893487236817]}},{"type":"Feature","properties":{"resourceCoords":[3437.0,2329.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.6922875966529,41.7554386587642]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2329.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.71880091653557,41.75155747571124]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000090/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hartford, Connecticut | 1917 | sanborn01132_004 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T21:36:55Z","modified":"2026-09-23T21:36:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000090/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000090","type":"ImageService3","width":3390,"height":2388},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"563.6,385.8 423.7,334.8 412.5,0.0 3282.9,0.0 3282.9,0.0 3390.0,0.0 3390.0,640.7 3160.1,592.7 3126.8,722.1 3324.9,790.2 3098.0,1687.2 2268.4,1298.8 2156.7,1607.8 2078.4,1878.8 71.1,2184.2 67.5,1704.1 563.6,385.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784hm:g01132004:sb000090/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.71746526889608,41.77909488081189]}},{"type":"Feature","properties":{"resourceCoords":[3390.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.69026855153396,41.77994317020396]}},{"type":"Feature","properties":{"resourceCoords":[3390.0,2388.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.68947294888181,41.765554072867474]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2388.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-72.71666966624394,41.76470578347541]}}]}}]}