{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn07660_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Erie, Pennsylvania | 1888 | 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":"64"},{"label":"placed","value":"43"},{"label":"unplaced","value":"21"},{"label":"fit sources","value":"georef 36, georef-snap 6, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"13 sheet(s) cut into 42 panels"},{"label":"unplaced pages","value":"p2 (tier 1, 42.12938,-80.08965 +/-128m); p20__1 (tier 1, 42.11681,-80.07016 +/-100m); p20__3 (tier 1, 42.11136,-80.07300 +/-100m); p20__4 (tier 1, 42.11209,-80.07406 +/-110m); p24__1 (tier 1, 42.11678,-80.08468 +/-100m); p24__4 (tier 1, 42.11618,-80.08369 +/-100m); p29__1 (tier 1, 42.12247,-80.06920 +/-100m); p29__2 (tier 1, 42.12373,-80.09328 +/-137m); p29__4 (tier 1, 42.12284,-80.07011 +/-100m); p3 (tier 1, 42.11392,-80.06958 +/-130m); p31__1 (tier 1, 42.12431,-80.09256 +/-129m); p31__4 (tier 1, 42.12428,-80.09164 +/-132m); p32__2 (tier 1, 42.12679,-80.09057 +/-132m); p33__2 (tier 1, 42.13170,-80.05893 +/-100m); p34__1 (tier 4, 42.12140,-80.08118 +/-2146m); p34__2 (tier 4, 42.12140,-80.08118 +/-2146m); p35__2 (tier 1, 42.13720,-80.07214 +/-187m); p4__1 (tier 1, 42.13212,-80.09595 +/-100m); p4__2 (tier 1, 42.13746,-80.09047 +/-210m); p4__3 (tier 1, 42.13081,-80.09667 +/-100m); p4__4 (tier 1, 42.13471,-80.08968 +/-126m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0001","type":"ImageService3","width":1642,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"184.7,1903.2 9.5,140.1 1534.2,-0.0 1642.0,1920.0 184.7,1903.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0001/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.07684427339177,42.12398894960128]}},{"type":"Feature","properties":{"resourceCoords":[1642.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.07638690594935,42.12307171145615]}},{"type":"Feature","properties":{"resourceCoords":[1642.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.07782279159534,42.122672241932726]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.07828015903776,42.12358948007786]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p10","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0010","type":"ImageService3","width":1638,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1435.5,1839.7 125.5,1840.2 126.0,32.2 1442.9,36.2 1435.5,1839.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1199.0,617.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0771929,42.1287894]}},{"type":"Feature","properties":{"resourceCoords":[125.0,617.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0795828,42.1279104]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0011","type":"ImageService3","width":1638,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1638.0,1832.4 -0.0,1831.0 -0.0,38.3 1542.7,39.1 1542.7,0.0 1638.0,0.0 1638.0,1832.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.07733334030853,42.13001120581435]}},{"type":"Feature","properties":{"resourceCoords":[1638.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.07368480902545,42.131358249280645]}},{"type":"Feature","properties":{"resourceCoords":[1638.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.07157071290199,42.12816414113202]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.07521924418506,42.12681709766572]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p12","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0012","type":"ImageService3","width":1638,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1638.0,51.6 1638.0,1920.0 192.8,1920.0 194.1,54.6 1638.0,51.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[847.0,1121.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0722274,42.1259107]}},{"type":"Feature","properties":{"resourceCoords":[847.0,1544.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0717627,42.1252132]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p13","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0013","type":"ImageService3","width":1638,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"149.9,52.1 1638.0,48.5 1638.0,1920.0 140.8,1920.0 149.9,52.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1196.0,1212.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0745534,42.1248302]}},{"type":"Feature","properties":{"resourceCoords":[133.0,1212.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0769464,42.1239545]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0014","type":"ImageService3","width":1636,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1620.5,70.3 1636.0,1920.0 586.5,1920.0 586.1,1819.5 -0.0,1827.0 -0.0,73.5 1620.5,70.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0014/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.08201428077373,42.124654975570884]}},{"type":"Feature","properties":{"resourceCoords":[1636.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.0782753961447,42.126025233707644]}},{"type":"Feature","properties":{"resourceCoords":[1636.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.0761224202787,42.1227477453994]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.07986130490772,42.12137748726264]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p15","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0015","type":"ImageService3","width":1637,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,37.0 1493.1,15.2 1506.8,1788.6 -0.0,1835.1 -0.0,37.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[878.0,624.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0826726,42.1230004]}},{"type":"Feature","properties":{"resourceCoords":[1269.0,1648.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.080662,42.1215822]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0016","type":"ImageService3","width":1639,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1639.0,1566.6 1639.0,1920.0 1585.1,1920.0 1585.8,1819.0 193.8,1835.1 203.8,0.0 1423.9,0.0 1423.0,102.8 1639.0,105.5 1639.0,336.4 1421.3,334.0 1418.2,845.0 1639.0,847.4 1639.0,909.6 1418.0,907.9 1414.5,1564.8 1639.0,1566.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0016/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.08179568045178,42.120844071147616]}},{"type":"Feature","properties":{"resourceCoords":[1639.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.07815699082192,42.12222045776933]}},{"type":"Feature","properties":{"resourceCoords":[1639.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.07599847241971,42.11903644903465]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.07963716204956,42.11766006241294]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p17","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0017","type":"ImageService3","width":1639,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1519.1,1835.9 -0.0,1826.3 -0.0,-0.0 1506.9,0.0 1519.1,1835.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[453.0,829.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0827586,42.118765]}},{"type":"Feature","properties":{"resourceCoords":[453.0,1333.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0822129,42.1179353]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p18","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"11"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0018","type":"ImageService3","width":1639,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1639.0,1920.0 73.9,1920.0 91.9,787.8 53.5,598.3 51.2,-0.0 1536.6,-0.0 1542.7,1908.8 1639.0,1884.4 1639.0,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1048.0,1400.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.07824,42.1163807]}},{"type":"Feature","properties":{"resourceCoords":[1537.0,178.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0749946,42.1165712]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p19","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"12"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0019","type":"ImageService3","width":1642,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1642.0,1920.0 67.5,1920.0 67.7,45.5 -0.0,56.6 -0.0,0.0 1642.0,-0.0 1642.0,989.4 1529.0,989.4 1527.1,1706.8 1527.2,1847.0 1642.0,1847.1 1642.0,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0019/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[553.0,235.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.074457,42.1157632]}},{"type":"Feature","properties":{"resourceCoords":[66.0,837.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0763483,42.1160721]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0020__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p20 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"3072.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3460.0"},{"label":"split_canvas_h","value":"7680.0"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0020__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0020","type":"ImageService3","width":1633,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1633.0,1920.0 1633.0,105.4 768.0,103.7 768.0,584.0 768.0,1162.7 768.0,1920.0 1633.0,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0020__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1167.0,1152.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.074931,42.1114105]}},{"type":"Feature","properties":{"resourceCoords":[1171.0,105.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0760812,42.1131381]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0021__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p21 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2664.8"},{"label":"split_canvas_h","value":"7680.0"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0021__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0021","type":"ImageService3","width":1645,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,131.1 -0.0,1806.5 642.4,1808.3 642.7,1772.5 648.2,1373.5 664.4,137.0 -0.0,131.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0021__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[436.1,726.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0747595,42.120699]}},{"type":"Feature","properties":{"resourceCoords":[437.1,1807.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0771464,42.119814]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0021__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p21 [2]","metadata":[{"label":"streets","value":"1"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"2592.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3987.2"},{"label":"split_canvas_h","value":"5531.6"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0021__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0021","type":"ImageService3","width":1645,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1645.0,-0.0 666.2,0.0 665.1,85.3 998.6,122.5 952.9,532.4 659.6,499.7 648.2,1373.5 1645.0,1382.9 1645.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0021__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[648.2,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.0579402061037,42.131744903743105]}},{"type":"Feature","properties":{"resourceCoords":[1645.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.05568968149025,42.128466094687965]}},{"type":"Feature","properties":{"resourceCoords":[1645.0,1382.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.0618151885574,42.12614810290968]}},{"type":"Feature","properties":{"resourceCoords":[648.2,1382.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.06406571317085,42.12942691196482]}},{"type":"Feature","properties":{"resourceCoords":[773.2,1243.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0631679,42.1292488]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0021__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p21 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"2565.6"},{"label":"split_canvas_y","value":"5494.0"},{"label":"split_canvas_w","value":"4014.4"},{"label":"split_canvas_h","value":"2186.0"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0021__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0021","type":"ImageService3","width":1645,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1645.0,1920.0 1645.0,1382.9 648.2,1373.5 643.9,1682.9 700.9,1682.5 702.5,1920.0 1645.0,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0021__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1215.2,1415.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0723922,42.1215787]}},{"type":"Feature","properties":{"resourceCoords":[699.4,1415.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0729255,42.1223882]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0022__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p22 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3297.2"},{"label":"split_canvas_h","value":"7680.0"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0022__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0022","type":"ImageService3","width":1645,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"511.1,223.1 510.9,-0.0 -0.0,0.0 -0.0,1872.7 510.2,1873.0 510.2,1653.5 572.3,1653.2 568.0,223.4 511.1,223.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0022__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[510.2,809.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0753073,42.1215133]}},{"type":"Feature","properties":{"resourceCoords":[510.2,1873.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0776973,42.1206338]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0022__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p22 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"3264.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3315.2"},{"label":"split_canvas_h","value":"7680.0"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0022__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0022","type":"ImageService3","width":1645,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1645.0,1353.7 1274.1,1353.0 1274.4,1888.6 1645.0,1885.7 1645.0,1353.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0022__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1274.1,246.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0721047,42.1257263]}},{"type":"Feature","properties":{"resourceCoords":[1274.1,1353.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0745534,42.1248302]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0023__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p23 [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":"3326.0"},{"label":"split_canvas_h","value":"7680.0"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0023__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0023","type":"ImageService3","width":1645,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"745.5,143.0 51.1,144.8 50.4,-0.0 -0.0,0.0 -0.0,1790.3 172.2,1788.1 172.6,1920.0 756.2,1920.0 745.5,143.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0023__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[745.5,1219.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0802258,42.1288764]}},{"type":"Feature","properties":{"resourceCoords":[745.5,143.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0778271,42.1297498]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0023__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p23 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"3325.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3254.4"},{"label":"split_canvas_h","value":"7680.0"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0023__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0023","type":"ImageService3","width":1645,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"831.4,-0.0 831.5,1767.3 1525.5,1769.0 1525.5,-0.0 831.4,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0023__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1525.0,301.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0745654,42.1309525]}},{"type":"Feature","properties":{"resourceCoords":[1525.0,1769.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0778271,42.1297498]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0024__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p24 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3286.4"},{"label":"split_canvas_h","value":"7680.0"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0024__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0024","type":"ImageService3","width":1645,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"439.5,1189.7 -0.0,1186.7 -0.0,1920.0 40.3,1920.0 40.5,1812.8 810.5,1816.2 820.4,205.5 448.5,205.1 439.5,1189.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0024__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[440.8,741.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0816744,42.1171286]}},{"type":"Feature","properties":{"resourceCoords":[440.8,1815.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0840877,42.1162398]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0024__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p24 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"3240.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3339.6"},{"label":"split_canvas_h","value":"7680.0"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0024__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0024","type":"ImageService3","width":1645,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1619.7,1622.7 1645.0,-0.0 1602.1,-0.0 1602.3,106.5 821.0,104.6 811.6,1624.7 1619.7,1622.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0024__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1216.0,1181.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0864726,42.1153658]}},{"type":"Feature","properties":{"resourceCoords":[1216.0,106.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0840877,42.1162398]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0025__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p25 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3328.0"},{"label":"split_canvas_h","value":"7680.0"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0025__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0025","type":"ImageService3","width":1645,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 -0.0,1920.0 34.4,1920.0 34.4,1714.7 831.3,1715.3 825.6,0.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0025__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[425.0,635.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0888545,42.1144917]}},{"type":"Feature","properties":{"resourceCoords":[425.0,1715.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0912335,42.1136147]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0025__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p25 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"3302.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3277.6"},{"label":"split_canvas_h","value":"7680.0"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0025__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0025","type":"ImageService3","width":1645,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1616.2,-0.0 1616.2,111.2 826.0,110.7 832.0,1920.0 1645.0,1920.0 1645.0,1797.9 1645.0,-0.0 1616.2,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0025__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1213.3,1184.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0936162,42.1127364]}},{"type":"Feature","properties":{"resourceCoords":[1212.3,111.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0912335,42.1136147]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p26","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0026","type":"ImageService3","width":1645,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1449.9 111.5,1449.9 112.7,493.6 -0.0,493.6 -0.0,-0.0 1645.0,0.0 1645.0,1920.0 -0.0,1920.0 -0.0,1449.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0026/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1179.0,1826.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0987027,42.1108526]}},{"type":"Feature","properties":{"resourceCoords":[111.0,1826.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.1010836,42.1099776]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p27","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0027","type":"ImageService3","width":1645,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"22.3,1666.9 -0.0,159.9 101.3,159.7 101.1,191.0 1645.0,204.8 1645.0,1659.9 22.3,1666.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0027/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.08500352535552,42.123609406582226]}},{"type":"Feature","properties":{"resourceCoords":[1645.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.08319761190681,42.12086868501919]}},{"type":"Feature","properties":{"resourceCoords":[1645.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.08748017341705,42.119294234950104]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.08928608686576,42.12203495651314]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p28","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0028","type":"ImageService3","width":1645,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1645.0,1920.0 -0.0,1920.0 -0.0,-0.0 1645.0,0.0 1645.0,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0028/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[814.0,689.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0897985,42.120374]}},{"type":"Feature","properties":{"resourceCoords":[814.0,85.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0904686,42.1213799]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0029__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p29 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"2364.4"},{"label":"split_canvas_y","value":"2862.0"},{"label":"split_canvas_w","value":"2786.4"},{"label":"split_canvas_h","value":"2544.8"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0029__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0029","type":"ImageService3","width":1637,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"591.7,1351.7 1188.8,1344.5 1287.7,1343.3 1287.2,1240.7 1188.1,1237.9 1184.8,715.5 591.1,719.5 591.7,1351.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0029__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[591.1,715.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.07851019715143,42.13317277407416]}},{"type":"Feature","properties":{"resourceCoords":[1287.7,715.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.07696543880604,42.13375512749648]}},{"type":"Feature","properties":{"resourceCoords":[1287.7,1351.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.07624864839987,42.13270686920389]}},{"type":"Feature","properties":{"resourceCoords":[591.1,1351.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.07779340674526,42.13212451578158]}},{"type":"Feature","properties":{"resourceCoords":[1108.8,1314.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.076687,42.1326182]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0029__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p29 [5]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"2366.8"},{"label":"split_canvas_y","value":"5373.2"},{"label":"split_canvas_w","value":"2793.2"},{"label":"split_canvas_h","value":"2306.8"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0029__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0029","type":"ImageService3","width":1637,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1290.0,1920.0 1287.7,1343.3 1188.8,1344.5 591.7,1351.7 592.2,1920.0 1290.0,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0029__5/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[704.6,1888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0693978,42.121663]}},{"type":"Feature","properties":{"resourceCoords":[703.6,1431.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0699362,42.1224755]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p30","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0030","type":"ImageService3","width":1633,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1327.7,0.0 1352.2,1836.5 1633.0,1834.3 1633.0,1920.0 1153.8,1920.0 1150.8,1715.8 -0.0,1726.7 0.0,-0.0 1327.7,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0030/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.09536186206877,42.119675430792334]}},{"type":"Feature","properties":{"resourceCoords":[1633.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.0916357517842,42.121014576017565]}},{"type":"Feature","properties":{"resourceCoords":[1633.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.08952796148517,42.117742027690866]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.09325407176975,42.116402882465636]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0031__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p31 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"3259.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3292.4"},{"label":"split_canvas_h","value":"2873.2"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0031__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0031","type":"ImageService3","width":1638,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"814.9,0.0 819.0,718.3 1638.0,715.6 1638.0,-0.0 814.9,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0031__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[814.9,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.09199125134373,42.125320897363444]}},{"type":"Feature","properties":{"resourceCoords":[1638.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.09108701916283,42.12395637898435]}},{"type":"Feature","properties":{"resourceCoords":[1638.0,718.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.09268832954665,42.1233713487728]}},{"type":"Feature","properties":{"resourceCoords":[814.9,718.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.09359256172755,42.12473586715189]}},{"type":"Feature","properties":{"resourceCoords":[1211.5,397.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.092441,42.12434]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0031__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p31 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3276.0"},{"label":"split_canvas_y","value":"2862.4"},{"label":"split_canvas_w","value":"3276.0"},{"label":"split_canvas_h","value":"4817.6"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0031__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0031","type":"ImageService3","width":1638,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1226.0,1920.0 1514.0,1920.0 1638.0,1920.0 1638.0,715.6 819.0,718.3 820.5,956.9 826.1,1920.0 1226.0,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0031__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1504.2,764.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0902047,42.1165236]}},{"type":"Feature","properties":{"resourceCoords":[1504.2,1838.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0925915,42.115645]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0032__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p32 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3183.2"},{"label":"split_canvas_h","value":"3842.4"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0032__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0032","type":"ImageService3","width":1637,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"795.8,0.0 -0.0,0.0 -0.0,960.6 795.8,959.3 795.8,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0032__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":[-80.09837774635055,42.117656138949876]}},{"type":"Feature","properties":{"resourceCoords":[795.8,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.09661250681904,42.118319644270244]}},{"type":"Feature","properties":{"resourceCoords":[795.8,960.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.09553367529766,42.11673724866922]}},{"type":"Feature","properties":{"resourceCoords":[0.0,960.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.09729891482917,42.11607374334885]}},{"type":"Feature","properties":{"resourceCoords":[536.9,219.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0969399,42.1177415]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0032__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p32 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3831.6"},{"label":"split_canvas_w","value":"6548.0"},{"label":"split_canvas_h","value":"3848.4"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0032__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0032","type":"ImageService3","width":1637,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1920.0 1289.6,1920.0 1291.2,958.5 795.8,959.3 0.0,960.6 -0.0,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0032__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[224.0,1108.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.104747,42.111066]}},{"type":"Feature","properties":{"resourceCoords":[1291.0,1108.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.1023862,42.1119344]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0033__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p33 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2303.2"},{"label":"split_canvas_h","value":"3773.6"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0033__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0033","type":"ImageService3","width":1642,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,943.4 573.3,941.0 575.8,0.0 0.0,-0.0 -0.0,943.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0033__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[185.9,405.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0963192,42.1117427]}},{"type":"Feature","properties":{"resourceCoords":[185.9,915.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.095784,42.1109352]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0033__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p33 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3995.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2572.4"},{"label":"split_canvas_h","value":"3756.0"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0033__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0033","type":"ImageService3","width":1642,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1642.0,0.0 999.4,0.0 998.9,939.0 1642.0,936.2 1642.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0033__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1345.4,27.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0615754,42.1184841]}},{"type":"Feature","properties":{"resourceCoords":[1345.4,495.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0610355,42.1176734]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0033__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p33 [4]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3759.2"},{"label":"split_canvas_w","value":"3297.6"},{"label":"split_canvas_h","value":"3920.8"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0033__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0033","type":"ImageService3","width":1642,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"818.0,1920.0 824.4,939.8 573.3,941.0 0.0,943.4 -0.0,1920.0 818.0,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0033__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[633.3,1691.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0698578,42.1133176]}},{"type":"Feature","properties":{"resourceCoords":[633.3,1165.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0704492,42.1142071]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0033__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p33 [5]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3272.0"},{"label":"split_canvas_y","value":"3744.8"},{"label":"split_canvas_w","value":"3296.0"},{"label":"split_canvas_h","value":"3935.2"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0033__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0033","type":"ImageService3","width":1642,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1642.0,936.2 998.9,939.0 824.4,939.8 818.0,1920.0 1642.0,1920.0 1642.0,936.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0033__5/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[818.0,936.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.06047280074732,42.13154983151193]}},{"type":"Feature","properties":{"resourceCoords":[1642.0,936.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.05855380013698,42.132086525942206]}},{"type":"Feature","properties":{"resourceCoords":[1642.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.05769168129716,42.130387040827415]}},{"type":"Feature","properties":{"resourceCoords":[818.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.0596106819075,42.12985034639714]}},{"type":"Feature","properties":{"resourceCoords":[1369.3,1103.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0590425,42.1316205]}},{"type":"Feature","properties":{"resourceCoords":[1369.3,1103.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0585039,42.1316497]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0035__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p35 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3946.0"},{"label":"split_canvas_w","value":"6516.0"},{"label":"split_canvas_h","value":"3734.0"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0035__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0035","type":"ImageService3","width":1629,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1629.0,987.6 0.0,986.5 -0.0,1920.0 1629.0,1920.0 1629.0,987.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0035__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[955.0,1215.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0875012,42.1068217]}},{"type":"Feature","properties":{"resourceCoords":[179.0,1215.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0892439,42.1061783]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p5","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0005","type":"ImageService3","width":1638,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1476.2,-0.0 1478.5,1765.3 1638.0,1764.6 1638.0,1920.0 -0.0,1920.0 -0.0,0.0 1476.2,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1480.0,1553.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0885629,42.1318885]}},{"type":"Feature","properties":{"resourceCoords":[1478.0,344.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0858426,42.1328876]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p6","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"18"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0006","type":"ImageService3","width":1638,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"44.6,1920.0 50.0,146.5 -0.0,146.3 -0.0,0.0 1638.0,-0.0 1638.0,1920.0 44.6,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[624.0,1106.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0865759,42.1314284]}},{"type":"Feature","properties":{"resourceCoords":[1204.0,502.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0845782,42.1309659]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p7","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"20"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0007","type":"ImageService3","width":1638,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"224.8,1920.0 236.7,-0.0 1030.7,-0.0 1029.5,133.5 1620.1,140.9 1610.3,1920.0 224.8,1920.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1023.0,1733.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0859217,42.1279503]}},{"type":"Feature","properties":{"resourceCoords":[141.0,507.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0842165,42.1303889]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p8","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0008","type":"ImageService3","width":1638,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1465.7,35.6 1463.9,1818.8 -0.0,1823.9 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[861.0,1214.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0839901,42.125028]}},{"type":"Feature","properties":{"resourceCoords":[1468.0,606.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-80.0832992,42.1265354]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Erie, Pennsylvania | 1888 | sanborn07660_001 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T15:22:49Z","modified":"2026-09-22T15:22:49Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0009","type":"ImageService3","width":1636,"height":1920},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1811.3 -0.0,67.7 1633.6,59.9 1635.7,1817.3 -0.0,1811.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824em:g3824em_g076601888:07660_1888-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.08400980635608,42.127597154875716]}},{"type":"Feature","properties":{"resourceCoords":[1636.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.08028810382201,42.12898027703011]}},{"type":"Feature","properties":{"resourceCoords":[1636.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.07811481375546,42.125718003594706]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1920.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-80.08183651628953,42.12433488144031]}}]}}]}