{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn07530_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Bethlehem, Pennsylvania | 1912 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"107"},{"label":"placed","value":"78"},{"label":"unplaced","value":"29"},{"label":"fit sources","value":"georef 56, georef-snap 24, snap:0 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"17 sheet(s) cut into 41 panels"},{"label":"unplaced pages","value":"p0 (tier 1, 40.61939,-75.38959 +/-260m); p22__2 (tier 1, 40.61687,-75.38456 +/-100m); p22__3 (tier 1, 40.61814,-75.38394 +/-100m); p23__1 (tier 1, 40.62003,-75.38155 +/-185m); p37__1 (tier 1, 40.61665,-75.38173 +/-100m); p40__2 (tier 1, 40.61835,-75.38623 +/-100m); p40__3 (tier 1, 40.61921,-75.38564 +/-100m); p41__1 (tier 1, 40.61629,-75.38299 +/-180m); p41__2 (tier 1, 40.61520,-75.38458 +/-189m); p41__3 (tier 1, 40.61521,-75.38534 +/-100m); p41__4 (tier 1, 40.61717,-75.38408 +/-100m); p42__3 (tier 1, 40.63531,-75.37642 +/-100m); p48__1 (tier 1, 40.60927,-75.37713 +/-226m); p49__2 (tier 1, 40.60884,-75.37575 +/-100m); p49__3 (tier 1, 40.60971,-75.37478 +/-100m); p55 (tier 1, 40.61075,-75.35131 +/-265m); p56 (tier 1, 40.61080,-75.34951 +/-259m); p59__1 (tier 1, 40.61185,-75.38572 +/-100m); p67__2 (tier 1, 40.60652,-75.38755 +/-100m); p75__1 (tier 1, 40.61216,-75.37558 +/-170m); p75__2 (tier 1, 40.61272,-75.37668 +/-195m); p76 (tier 1, 40.61301,-75.36614 +/-257m); p77__1 (tier 1, 40.61443,-75.35088 +/-249m); p77__2 (tier 1, 40.61513,-75.35157 +/-100m); p78__2 (tier 1, 40.63253,-75.36690 +/-222m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0001/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0001","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1676.8 0.0,0.0 1668.0,0.0 1668.0,1863.1 1575.0,1862.4 1574.9,1703.0 -0.0,1676.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0001/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38523336606556,40.633670733690145]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38127641892767,40.63357034461251]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38142990147055,40.63003672894292]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38538684860845,40.630137118020556]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p10 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6672.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0010__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0010","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"164.5,1938.1 1668.0,1907.2 1668.0,552.8 766.0,554.4 766.4,0.0 623.3,0.0 664.6,556.0 131.1,614.4 164.5,1938.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[141.0,899.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3842434,40.6277906]}},{"type":"Feature","properties":{"resourceCoords":[1510.0,1910.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3816437,40.6301994]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0010__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p10 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"3064.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3608.0"},{"label":"split_canvas_h","value":"2217.6"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0010__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0010","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"987.4,554.0 1658.1,552.8 1668.0,88.2 1182.4,269.6 1032.1,356.2 998.9,405.1 987.4,554.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0010__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[766.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38738092165006,40.62545180444348]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38763318264091,40.62869701795922]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,554.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38500883651008,40.62881443098702]}},{"type":"Feature","properties":{"resourceCoords":[766.0,554.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38475657551923,40.62556921747128]}},{"type":"Feature","properties":{"resourceCoords":[1416.3,184.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3866928,40.6278303]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0011","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"104.2,1912.6 106.0,71.3 1574.4,64.0 1579.3,1901.3 104.2,1912.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38200435234613,40.62714470471777]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3780430382634,40.6270492546548]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37818895527394,40.623511390449664]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38215026935667,40.623606840512636]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p12","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"20"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0012","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"179.5,1907.4 181.6,0.0 1481.4,0.0 1457.5,1908.2 179.5,1907.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1118.0,787.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3761093,40.6255955]}},{"type":"Feature","properties":{"resourceCoords":[543.0,1505.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3775118,40.6243177]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p13","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0013","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"219.3,1864.8 231.2,36.9 1389.9,0.0 1390.2,41.4 1668.0,41.5 1668.0,436.2 1453.9,437.1 1449.4,1866.4 219.3,1864.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0013/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37576312602106,40.62768265172444]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37178727905122,40.62762182315719]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37188027005992,40.62407100955971]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37585611702976,40.62413183812696]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p14","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0014","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"89.5,1860.6 92.2,437.7 303.9,436.6 303.4,43.7 1214.0,45.8 1214.3,0.0 1666.2,0.0 1666.5,42.3 1668.0,42.3 1668.0,714.6 1549.0,714.5 1552.9,1148.1 1490.5,1147.8 1489.9,1667.5 1215.3,1667.8 1215.8,1858.5 89.5,1860.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1213.0,1146.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3696521,40.6254939]}},{"type":"Feature","properties":{"resourceCoords":[1552.0,1864.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3688712,40.6241669]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p15","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0015","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"101.7,1808.8 101.1,138.4 1559.6,120.8 1574.7,1702.8 101.7,1808.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1562.0,467.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3784202,40.6229718]}},{"type":"Feature","properties":{"resourceCoords":[104.0,846.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3819547,40.622377]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p16","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"15"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0016","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1497.7,1753.3 198.8,1769.8 195.2,163.4 1481.5,152.1 1497.7,1753.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1139.0,509.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3761867,40.6229337]}},{"type":"Feature","properties":{"resourceCoords":[565.0,1760.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3776299,40.6207169]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p17","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0017","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1461.8,1756.5 235.3,1760.3 236.3,209.2 1668.0,213.0 1668.0,605.8 1460.7,604.2 1461.8,1756.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1118.0,204.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3732179,40.6242554]}},{"type":"Feature","properties":{"resourceCoords":[235.0,1334.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3753849,40.622233]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p18","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0018/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0018","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1565.3,1759.5 76.8,1755.5 75.1,591.5 284.6,593.0 284.4,196.1 1221.0,194.0 1220.7,0.0 1668.0,0.0 1668.0,600.9 1569.2,599.5 1565.3,1759.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1223.0,597.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3696957,40.6234649]}},{"type":"Feature","properties":{"resourceCoords":[1563.0,200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3688712,40.6241669]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0019__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p19 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3475.6"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0019__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0019","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"810.7,1837.5 810.7,1949.0 860.7,1949.0 868.3,1949.0 868.9,0.0 58.5,0.0 63.0,438.0 -0.0,437.7 -0.0,962.6 166.7,962.2 168.2,1558.8 70.2,1557.6 68.7,1837.4 810.7,1837.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0019__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[63.0,1161.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3688712,40.6241669]}},{"type":"Feature","properties":{"resourceCoords":[63.0,438.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3688327,40.6254769]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0019__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p19 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"3473.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3198.8"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0019__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0019","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"922.4,1599.3 916.8,1949.0 1668.0,1949.0 1668.0,0.0 923.6,0.0 924.3,1306.8 1038.2,1308.2 1038.4,1599.7 922.4,1599.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0019__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[923.3,69.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3688981,40.6228165]}},{"type":"Feature","properties":{"resourceCoords":[919.3,1868.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3690039,40.6195682]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p2","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"6"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0002","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1568.0,0.0 1562.1,1374.5 1668.0,1383.0 1668.0,1766.9 191.8,1767.2 198.5,2.5 1568.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[99.0,1866.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3816437,40.6301994]}},{"type":"Feature","properties":{"resourceCoords":[1564.0,1866.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3781462,40.630122]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p20","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"7"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0020","type":"ImageService3","width":1672,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"346.4,439.4 848.4,200.6 1547.2,197.3 1556.0,1723.0 365.8,1755.5 346.4,439.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[384.0,1755.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3847483,40.6223931]}},{"type":"Feature","properties":{"resourceCoords":[1556.0,1723.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3819547,40.622377]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p21","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0021","type":"ImageService3","width":1672,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1578.4,47.8 1548.1,1711.4 1492.9,1949.0 132.8,1949.0 139.3,1646.3 82.2,1643.5 89.4,52.8 714.6,46.9 736.0,0.0 1578.4,47.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0021/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38569206718275,40.622492803242764]}},{"type":"Feature","properties":{"resourceCoords":[1672.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3817317937842,40.622461778052575]}},{"type":"Feature","properties":{"resourceCoords":[1672.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38177910634265,40.61893308144666]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3857393797412,40.61896410663685]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0022__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p22 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6688.0"},{"label":"split_canvas_h","value":"6242.0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0022__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0022","type":"ImageService3","width":1672,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"151.3,0.0 -0.0,-0.0 0.0,1488.7 689.9,1559.4 689.9,1560.5 693.6,1559.8 911.9,1523.8 992.0,882.5 1169.5,797.6 1258.3,689.9 1345.2,365.1 1602.8,286.6 1606.6,0.0 1547.2,246.5 143.4,232.4 151.3,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0022__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1085.0,1418.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3832654,40.6168953]}},{"type":"Feature","properties":{"resourceCoords":[131.0,868.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3854537,40.6178543]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0023__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p23 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6688.0"},{"label":"split_canvas_h","value":"5239.6"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0023__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0023","type":"ImageService3","width":1672,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1584.2,1235.2 1580.0,152.0 108.0,235.5 114.9,1204.7 1584.2,1235.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0023__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[102.0,1195.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3821068,40.6188677]}},{"type":"Feature","properties":{"resourceCoords":[1580.0,152.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.378497,40.6207183]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p24","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"22"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0024/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0024","type":"ImageService3","width":1672,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"189.6,1949.0 279.1,1106.1 203.3,1098.0 201.6,100.0 1672.0,98.7 1672.0,448.0 1491.9,446.2 1489.0,1513.5 1672.0,1514.7 1672.0,1949.0 189.6,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1144.0,1195.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.376298,40.6187036]}},{"type":"Feature","properties":{"resourceCoords":[565.0,94.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3776299,40.6207169]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p25","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"20"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0025/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0025","type":"ImageService3","width":1672,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"420.8,879.7 418.5,529.5 236.3,528.7 233.2,98.2 1672.0,86.7 1672.0,1949.0 244.3,1949.0 240.2,879.1 420.8,879.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[591.0,530.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3745789,40.6206621]}},{"type":"Feature","properties":{"resourceCoords":[1473.0,1299.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3725266,40.619233]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p26","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0026","type":"ImageService3","width":1672,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"275.9,84.6 1557.9,85.5 1557.7,518.8 1672.0,520.1 1672.0,812.5 1555.6,812.1 1549.8,1162.8 1672.0,1162.8 1672.0,1949.0 269.4,1949.0 275.9,84.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0026/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[870.0,1084.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3706226,40.6195906]}},{"type":"Feature","properties":{"resourceCoords":[1213.0,1297.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.36982,40.6191936]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p27","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0027","type":"ImageService3","width":1672,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 1599.0,0.0 1598.8,37.9 1672.0,37.6 1672.0,249.7 1601.2,249.4 1606.8,1348.5 1672.0,1348.0 1672.0,1628.5 1607.1,1628.4 1605.4,1911.1 1672.0,1912.5 1672.0,1949.0 -0.0,1949.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0027/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.40288628517821,40.62404325588731]}},{"type":"Feature","properties":{"resourceCoords":[1672.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.39885437132652,40.623971701899265]}},{"type":"Feature","properties":{"resourceCoords":[1672.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3989634910345,40.62037923293277]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.40299540488618,40.62045078692081]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p28","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"18"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0028/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0028","type":"ImageService3","width":1672,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"256.3,1637.5 256.9,1356.5 192.1,1356.8 188.8,255.9 259.1,256.3 259.6,44.0 1672.0,0.0 1672.0,442.8 1354.1,442.9 1355.9,1058.5 1034.5,1057.2 1032.9,1354.0 1672.0,1382.5 1672.0,1634.1 1354.1,1638.9 1347.1,1949.0 255.7,1949.0 189.4,1920.3 191.8,1637.2 256.3,1637.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0028/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[834.0,1640.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.397545,40.620943]}},{"type":"Feature","properties":{"resourceCoords":[1354.0,44.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.396203,40.62386]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p29","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"16"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0029/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0029","type":"ImageService3","width":1672,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"650.2,1429.0 650.4,977.2 -0.0,997.2 -0.0,-0.0 1672.0,0.0 1672.0,218.1 1386.6,218.5 1386.8,1738.2 326.9,1743.2 325.9,1428.9 650.2,1429.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0029/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[326.0,1022.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.396203,40.62386]}},{"type":"Feature","properties":{"resourceCoords":[860.0,1740.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.394969,40.622545]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0003","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"329.9,1437.2 223.2,1430.2 211.2,56.6 -0.0,59.5 -0.0,0.0 1453.0,20.6 1489.0,1507.8 1255.6,1493.0 1260.3,1800.0 334.9,1820.8 329.9,1437.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37850204114594,40.63362138311612]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3745470015437,40.63349330330434]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3747428193192,40.62996138222922]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37869785892143,40.630089462041]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p30","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"19"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0030","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1676.0,0.0 1676.0,1949.0 1383.9,1949.0 1381.6,1732.2 1150.5,1732.5 1149.9,1570.0 255.2,1585.5 256.0,226.0 544.8,225.8 539.6,9.2 1676.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0030/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1105.0,1018.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.391649,40.623801]}},{"type":"Feature","properties":{"resourceCoords":[256.0,226.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.393643,40.62527]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p31","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"22"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0031/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0031","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"529.2,0.0 1676.0,0.0 1676.0,220.3 1454.9,223.5 1459.0,1753.0 834.4,1747.8 830.8,1570.5 530.2,1571.8 529.2,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0031/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[828.0,1025.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.389577,40.623772]}},{"type":"Feature","properties":{"resourceCoords":[528.0,1025.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.390287,40.623783]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p32","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"13"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0032/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0032","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"274.9,1736.6 271.1,211.5 491.6,208.4 491.6,0.0 956.9,0.0 955.6,201.7 1676.0,191.4 1676.0,1734.8 274.9,1736.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0032/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[836.0,1425.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.386772,40.622982]}},{"type":"Feature","properties":{"resourceCoords":[836.0,528.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.386729,40.624598]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p33","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0033/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0033","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"325.7,1385.2 331.2,1066.8 657.6,1060.2 656.2,801.9 -0.0,776.1 -0.0,471.4 330.0,471.0 327.6,155.3 1394.2,144.2 1398.1,455.1 1130.2,465.6 1140.8,1054.2 1408.2,1052.5 1410.9,1592.5 1086.4,1609.1 1106.0,1949.0 -0.0,1949.0 -0.0,1386.9 325.7,1385.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0033/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[864.0,1056.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3950252,40.6209193]}},{"type":"Feature","properties":{"resourceCoords":[864.0,149.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.394969,40.622545]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0034/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p34","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"27"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0034/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0034","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1050.5 -0.0,467.0 258.6,458.5 256.6,0.0 1154.9,0.0 1155.5,147.4 1387.5,147.0 1385.4,1450.8 1160.5,1449.9 1160.9,1537.2 264.2,1583.3 264.9,1050.5 -0.0,1050.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0034/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[840.0,1050.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.392369,40.62088]}},{"type":"Feature","properties":{"resourceCoords":[840.0,148.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.392326,40.622512]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p35","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"21"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0035/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0035","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"480.8,1793.0 469.8,1559.9 -0.0,1582.3 -0.0,1494.0 227.6,1495.8 236.2,396.7 533.0,397.8 534.5,0.0 836.5,0.0 839.4,178.2 1466.9,186.1 1462.6,1797.5 480.8,1793.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0035/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[827.0,1535.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3896774,40.6200477]}},{"type":"Feature","properties":{"resourceCoords":[1148.0,503.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3888821,40.6218837]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p36","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"18"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0036/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0036","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"268.4,1779.2 272.1,174.0 1387.4,181.1 1390.2,1785.4 268.4,1779.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0036/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[270.0,1085.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3881592,40.620806]}},{"type":"Feature","properties":{"resourceCoords":[1394.0,1085.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3855012,40.6207728]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0037__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p37 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6704.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0037__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0037","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1242.1 322.3,1446.0 411.5,1949.0 510.1,1949.0 1676.0,1949.0 1676.0,1876.8 1586.5,1886.5 1477.3,472.9 1426.2,312.5 1363.6,252.2 1048.5,210.0 934.5,116.2 870.4,0.0 0.0,-0.0 0.0,1242.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0037__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1560.0,1603.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.379258,40.6187562]}},{"type":"Feature","properties":{"resourceCoords":[396.0,144.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3832654,40.6168953]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0038/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p38","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"26"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0038/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0038","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1949.0 -0.0,-0.0 1676.0,0.0 1676.0,229.3 1573.7,225.3 1588.5,1532.6 1315.0,1563.0 1289.3,1949.0 -0.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0038/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[765.0,1565.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.392584,40.617116]}},{"type":"Feature","properties":{"resourceCoords":[1171.0,153.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.391718,40.619707]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0039/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p39","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"13"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0039/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0039","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1419.7 275.0,1370.5 172.2,47.4 1297.7,30.6 1287.8,943.5 1195.5,943.6 1197.7,1711.7 1676.0,1623.0 1676.0,1949.0 -0.0,1949.0 -0.0,1419.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0039/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[892.0,636.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.389098,40.618499]}},{"type":"Feature","properties":{"resourceCoords":[892.0,944.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3891233,40.6179474]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0004","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,27.8 -0.0,-0.0 1668.0,0.0 1668.0,1623.9 1533.5,1613.8 1535.7,1389.9 98.5,1376.4 99.8,29.0 -0.0,27.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37529491549097,40.63352814872977]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37132969864184,40.633476059270066]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.371409336697,40.62993504452021]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37537455354612,40.62998713397992]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0040__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p40 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6704.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0040__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0040","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1235.3,165.2 1234.7,85.9 104.0,95.2 91.5,1001.2 -0.0,1001.0 -0.0,1763.3 474.9,1678.3 474.1,1949.0 1210.0,1949.0 1507.0,1949.0 1676.0,1949.0 1676.0,1657.0 1137.1,1674.1 1089.5,169.8 1235.3,165.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0040__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1235.0,727.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3854501,40.6183525]}},{"type":"Feature","properties":{"resourceCoords":[931.0,87.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3861242,40.619525]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0042__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p42 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4850.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0042__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0042","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"66.5,1949.0 1140.8,1949.0 1110.3,1635.7 1182.2,1637.1 998.5,0.0 88.9,0.0 66.5,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0042__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1044.6,970.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3750136,40.6352253]}},{"type":"Feature","properties":{"resourceCoords":[1121.5,1744.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3732034,40.6353661]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0042__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p42 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"3994.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2710.0"},{"label":"split_canvas_h","value":"6590.4"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0042__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0042","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1033.3,310.5 1183.4,1647.6 1676.0,1597.9 1676.0,0.0 1023.8,0.0 1060.1,309.9 1033.3,310.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0042__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[998.5,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37345781283169,40.63530056383366]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37343125882674,40.636523065069305]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,1647.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.36954298360682,40.63647373890242]}},{"type":"Feature","properties":{"resourceCoords":[998.5,1647.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.36956953761177,40.63525123766678]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0043/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p43","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"9"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0043/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0043","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1003.2,1866.2 188.5,1851.3 133.6,1204.3 -0.0,999.2 -0.0,-0.0 1575.7,0.0 1533.9,1949.0 1001.6,1949.0 1003.2,1866.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0043/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1209.0,915.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3793719,40.6129207]}},{"type":"Feature","properties":{"resourceCoords":[1530.0,1476.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3785506,40.6119492]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0044/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p44","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0044/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0044","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1130.4,1949.0 494.1,1949.0 490.9,1659.5 306.4,1659.1 286.5,826.3 310.6,0.0 1396.0,0.0 1412.0,1659.3 1131.4,1658.7 1130.4,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0044/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3792915002193,40.613411677807356]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37536247906424,40.613519053235365]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37519914817602,40.61002606919759]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37912816933108,40.60991869376958]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0045/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p45","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0045/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0045","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1676.0,0.0 1676.0,39.0 1459.8,37.0 1469.0,824.0 1381.7,825.1 1395.4,1657.3 291.9,1657.0 271.1,24.7 1676.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0045/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3766673591382,40.61352990163942]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37267301084339,40.613629940308435]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3725208399939,40.610078880222474]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3765151882887,40.609978841553456]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0046/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p46","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0046/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0046","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1390.5,1661.6 271.9,1676.7 249.6,816.0 339.9,814.0 322.6,0.0 1676.0,0.0 1676.0,794.7 1370.9,799.3 1390.5,1661.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0046/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37392895160168,40.61353636595464]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37006669577745,40.613605168715225]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.36996203799686,40.61017155820557]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37382429382109,40.610102755444984]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0047/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p47","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0047/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0047","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"185.3,577.6 229.4,573.8 187.0,85.1 956.1,96.2 954.9,178.5 1487.3,176.5 1491.9,537.5 1676.0,539.9 1676.0,1774.2 303.2,1865.8 185.3,577.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0047/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3819988011915,40.61129792907714]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37806090487564,40.61143882944206]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37784658527379,40.607937845241906]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38178448158965,40.60779694487699]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0048__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p48 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6704.0"},{"label":"split_canvas_h","value":"1766.8"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0048__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0048","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1676.0,-0.0 -0.0,-0.0 -0.0,232.2 1676.0,205.2 1676.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0048__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38809915040675,40.601707904424494]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38662551905584,40.60271014859227]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,441.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38627982987,40.602413000390484]}},{"type":"Feature","properties":{"resourceCoords":[0.0,441.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38775346122091,40.601410756222705]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0049__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p49 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6704.0"},{"label":"split_canvas_h","value":"5304.0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0049__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0049","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"843.3,1247.9 1387.8,1177.8 1388.1,71.0 -0.0,71.3 -0.0,1262.6 843.3,1247.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0049__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":[-75.37650564410386,40.61064076244812]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37253599342007,40.61073904692698]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,1326.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37243428251203,40.60833795537832]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1326.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37640393319582,40.60823967089946]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p5","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"32"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0005","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1573.5,1867.8 106.5,1867.1 108.0,99.0 200.8,100.4 201.5,0.0 1668.0,0.0 1668.0,1128.4 1580.6,1129.5 1573.5,1867.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[840.0,1125.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3799676,40.6283134]}},{"type":"Feature","properties":{"resourceCoords":[108.0,99.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3816437,40.6301994]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0050/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p50","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0050/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0050","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"326.3,1949.0 332.7,1150.8 127.6,1179.2 140.9,74.5 1227.2,82.4 1223.0,1096.8 1581.4,1493.8 1079.2,1949.0 326.3,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0050/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37355441255137,40.6107173989419]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.36957936500474,40.61085154346004]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3693753242394,40.60731748309571]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37335037178603,40.60718333857757]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0051/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p51","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0051/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0051","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1511.6,1877.7 141.7,1867.2 142.2,354.1 441.4,355.9 447.3,0.0 1400.2,0.0 1397.5,270.4 1366.9,353.5 1257.9,354.4 1262.5,820.9 1337.3,801.9 1336.2,1205.0 1515.7,1207.8 1511.6,1877.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0051/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37109982611017,40.61281239039795]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.367142003634,40.61294683275427]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.36693750266058,40.60942821008701]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37089532513674,40.60929376773069]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0052/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p52","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0052/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0052","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,812.2 -0.0,350.5 111.3,341.5 144.3,1.1 1676.0,0.0 1676.0,132.2 1585.8,153.6 1582.8,1489.7 1676.0,1490.1 1676.0,1802.8 1577.5,1799.9 1577.0,1884.2 236.1,1860.6 246.7,1197.7 69.1,1193.1 74.2,794.2 -0.0,812.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0052/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.36813756771383,40.612912388539236]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.36414078952492,40.61307854863298]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.36388803962298,40.609525334105314]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.36788481781188,40.60935917401157]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0053/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p53","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"9"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0053/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0053","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1372.3,0.0 1394.8,91.9 1530.6,91.3 1530.1,0.0 1676.0,0.0 1676.0,1949.0 0.0,1949.0 0.0,3.1 1372.3,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0053/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1144.0,1262.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3613583,40.6124951]}},{"type":"Feature","properties":{"resourceCoords":[888.0,618.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3628359,40.611984]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0054__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p54 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6660.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0054__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0054","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1665.0,0.0 -0.0,-0.0 0.0,1073.8 256.3,1067.2 296.3,1949.0 402.0,1949.0 607.0,1949.0 810.1,1949.0 1201.8,1035.2 1665.0,1035.2 1665.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0054__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[581.0,2231.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3547534,40.6119948]}},{"type":"Feature","properties":{"resourceCoords":[1039.0,1256.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3568172,40.6126383]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0054__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p54 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"3240.4"},{"label":"split_canvas_y","value":"4140.8"},{"label":"split_canvas_w","value":"3419.6"},{"label":"split_canvas_h","value":"3655.2"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0054__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0054","type":"ImageService3","width":1665,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1412.1,1035.2 1201.8,1035.2 810.1,1949.0 1665.0,1949.0 1665.0,1493.3 1524.9,1488.1 1521.6,1102.8 1409.7,1101.6 1412.1,1035.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0054__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[810.1,1035.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3571558012215,40.60882080252965]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,1035.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.35750596184329,40.61188736653599]}},{"type":"Feature","properties":{"resourceCoords":[1665.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.35318492530261,40.61217134902528]}},{"type":"Feature","properties":{"resourceCoords":[810.1,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.35283476468082,40.60910478501894]}},{"type":"Feature","properties":{"resourceCoords":[1525.0,1648.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3545506,40.6115757]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0057/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p57","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0057/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0057","type":"ImageService3","width":1676,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1271.7 504.8,822.0 142.4,422.9 143.7,74.8 1518.8,80.8 1518.5,352.8 1517.3,1171.4 1516.5,1728.2 1516.2,1949.0 -0.0,1949.0 -0.0,1271.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0057/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37091480338354,40.60957666456976]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.36697128264626,40.60970072433039]}},{"type":"Feature","properties":{"resourceCoords":[1676.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.36678258380226,40.60619464710375]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37072610453954,40.60607058734312]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0058/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p58","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"1"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0058/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0058","type":"ImageService3","width":1679,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"122.5,102.5 1472.3,85.5 1470.3,0.0 1679.0,0.0 1679.0,1949.0 150.2,1949.0 122.5,102.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0058/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.36762976551884,40.60972278747383]}},{"type":"Feature","properties":{"resourceCoords":[1679.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.36364726013818,40.60979659863249]}},{"type":"Feature","properties":{"resourceCoords":[1679.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.36353432242495,40.60628938928341]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.36751682780562,40.60621557812475]}},{"type":"Feature","properties":{"resourceCoords":[1235.0,630.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3646639,40.6086434]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0059__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p59 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"},{"label":"split_canvas_x","value":"2582.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4133.6"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0059__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0059","type":"ImageService3","width":1679,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1567.3,128.3 1391.9,0.0 1170.3,0.0 880.6,441.2 857.5,1737.5 720.0,1725.7 703.4,1904.5 649.3,1904.8 645.6,1949.0 1138.2,1949.0 1142.7,1903.5 1536.6,1903.0 1596.4,1020.2 1567.3,128.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0059__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1006.4,211.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3855713,40.610516]}},{"type":"Feature","properties":{"resourceCoords":[1029.4,1903.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3816235,40.6109561]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0059__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p59 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4472.8"},{"label":"split_canvas_w","value":"2861.6"},{"label":"split_canvas_h","value":"3323.2"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0059__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0059","type":"ImageService3","width":1679,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"88.9,1611.8 159.6,1666.0 121.7,1712.3 222.9,1714.8 392.7,1845.2 654.3,1845.2 715.4,1118.2 386.7,1118.2 388.2,1301.8 305.3,1342.6 88.9,1611.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0059__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[89.0,1612.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3863772,40.610881]}},{"type":"Feature","properties":{"resourceCoords":[388.2,1302.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3872225,40.6113302]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p6","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"22"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0006","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1123.5 -0.0,95.0 304.1,0.0 1668.0,0.0 1668.0,784.2 1469.3,1801.0 166.8,1802.0 -0.0,1123.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[545.0,1125.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3773722,40.6282582]}},{"type":"Feature","properties":{"resourceCoords":[182.0,1864.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3782701,40.6269384]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0060/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p60","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0060/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0060","type":"ImageService3","width":1679,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1679.0,1949.0 33.3,1810.3 106.3,24.5 1679.0,0.0 1679.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0060/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38595656989546,40.61129773717427]}},{"type":"Feature","properties":{"resourceCoords":[1679.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38656388841702,40.614266471009714]}},{"type":"Feature","properties":{"resourceCoords":[1679.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3820560316497,40.61480541044882]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38144871312814,40.61183667661337]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0061/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p61","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0061/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0061","type":"ImageService3","width":1679,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1679.0,612.9 1539.4,615.3 1542.0,1073.0 1679.0,1855.1 1182.7,1824.1 1192.7,1642.0 1132.4,1472.5 888.2,1457.3 1015.5,1816.8 427.7,1768.2 321.0,1809.3 215.2,1949.0 74.8,1949.0 0.0,1599.4 0.0,221.7 87.9,220.1 100.7,85.7 1679.0,74.7 1679.0,612.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0061/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38507694460527,40.604540552009986]}},{"type":"Feature","properties":{"resourceCoords":[1679.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38546918861027,40.60758168958838]}},{"type":"Feature","properties":{"resourceCoords":[1679.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3808519010567,40.6079298086034]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3804596570517,40.60488867102501]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0062/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p62","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"11"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0062/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0062","type":"ImageService3","width":1679,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"167.9,83.2 776.2,109.5 1606.2,527.1 1679.0,384.4 1679.0,1678.9 1541.5,1669.5 1528.0,1848.5 140.1,1876.6 13.2,1087.3 17.8,625.8 159.5,625.7 167.9,83.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0062/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[557.0,86.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3853905,40.6082884]}},{"type":"Feature","properties":{"resourceCoords":[105.0,1552.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3818299,40.6077835]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0063/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p63","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0063/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0063","type":"ImageService3","width":1679,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"465.2,1670.2 33.6,1636.6 0.0,0.0 1295.3,0.0 1450.9,189.6 1594.0,70.6 1679.0,108.9 1679.0,1841.8 458.5,1735.8 465.2,1670.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0063/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.39038895677142,40.61289461182954]}},{"type":"Feature","properties":{"resourceCoords":[1679.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38696500091716,40.61136279106762]}},{"type":"Feature","properties":{"resourceCoords":[1679.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38929090218967,40.608324235955564]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.39271485804393,40.60985605671748]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0064/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p64","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"14"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0064/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0064","type":"ImageService3","width":1679,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1366.3,23.5 1530.5,936.8 1288.4,1939.2 209.0,1834.3 203.5,93.5 553.4,90.2 550.6,0.0 611.1,0.0 684.0,93.5 950.2,93.5 1366.3,23.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0064/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[946.0,1366.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3870998,40.6085487]}},{"type":"Feature","properties":{"resourceCoords":[124.0,1366.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.388777,40.609294]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0065/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p65","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0065/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0065","type":"ImageService3","width":1679,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"426.0,1871.0 427.4,1545.5 -0.0,1539.5 -0.0,-0.0 434.9,0.0 433.8,66.4 1546.8,75.6 1515.1,1883.5 426.0,1871.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0065/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1536.0,1089.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.390778,40.60714]}},{"type":"Feature","properties":{"resourceCoords":[426.0,1871.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3939786,40.6071318]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0066/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p66","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"14"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0066/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0066","type":"ImageService3","width":1679,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1223.8,1852.0 73.1,1865.8 79.2,66.0 1279.0,68.2 1186.0,638.7 1414.8,680.8 1630.9,920.5 1444.4,1894.2 1223.8,1852.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0066/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[518.0,1080.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3899489,40.6066747]}},{"type":"Feature","properties":{"resourceCoords":[1108.0,1080.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3888157,40.6060546]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0067__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p67 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6716.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0067__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0067","type":"ImageService3","width":1679,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"479.6,1535.3 480.0,1859.5 1560.1,1859.6 1583.0,323.3 337.0,1350.2 479.6,1535.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0067__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[753.0,1017.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.387164,40.6072892]}},{"type":"Feature","properties":{"resourceCoords":[1561.0,543.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3853905,40.6082884]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0068/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p68","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0068/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0068","type":"ImageService3","width":1679,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"470.5,31.6 1553.4,41.9 1543.2,716.8 1679.0,732.3 1679.0,1949.0 590.2,1949.0 736.0,1829.1 682.0,1751.8 470.3,1900.0 -0.0,644.5 -0.0,374.1 470.5,31.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0068/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38869728492125,40.60569542606818]}},{"type":"Feature","properties":{"resourceCoords":[1679.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38477642038269,40.60604653169966]}},{"type":"Feature","properties":{"resourceCoords":[1679.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38424336161513,40.60256663118272]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38816422615369,40.60221552555124]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0069/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p69","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0069/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0069","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1103.9 0.0,0.0 1668.0,0.0 1668.0,500.1 1446.9,499.8 1443.3,1903.2 383.2,1903.4 387.1,1102.4 -0.0,1103.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0069/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[384.0,1344.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.395881,40.603467]}},{"type":"Feature","properties":{"resourceCoords":[919.0,161.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.397435,40.605503]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p7","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"6"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0007","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,119.8 232.3,100.6 231.4,0.0 1668.0,0.0 1668.0,225.3 1668.0,225.3 1668.0,1889.2 1403.0,1890.2 1387.5,671.3 620.8,1890.5 -0.0,1893.0 -0.0,119.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[236.0,707.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3751511,40.6297483]}},{"type":"Feature","properties":{"resourceCoords":[236.0,1208.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.375183,40.6288442]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0070/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p70","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0070/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0070","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"291.1,1913.5 289.7,499.4 512.5,498.9 510.7,0.0 1668.0,0.0 1668.0,811.0 1344.1,814.1 1346.9,1897.7 291.1,1913.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0070/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[823.0,1346.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.393678,40.605812]}},{"type":"Feature","properties":{"resourceCoords":[823.0,163.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.395952,40.607056]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0071/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p71","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"18"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0071/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0071","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,914.8 292.7,911.6 544.3,485.5 543.5,376.5 32.3,51.9 1501.3,42.0 1543.3,1703.7 1575.3,1714.2 1503.0,1949.0 -0.0,1949.0 -0.0,914.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0071/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[542.0,49.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.394796,40.602876]}},{"type":"Feature","properties":{"resourceCoords":[1594.0,947.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.39161,40.603458]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0072__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p72 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6672.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0072__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0072","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,43.4 0.0,1687.2 675.7,1949.0 895.4,1949.0 1029.8,1589.6 1292.0,1663.8 1493.0,1488.0 1094.2,1407.0 1140.6,1189.9 1151.7,52.5 0.0,43.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0072__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1143.0,944.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.390144,40.6050639]}},{"type":"Feature","properties":{"resourceCoords":[1143.0,480.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3910598,40.6055424]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0072__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p72 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"4907.6"},{"label":"split_canvas_y","value":"3079.6"},{"label":"split_canvas_w","value":"1764.4"},{"label":"split_canvas_h","value":"2580.8"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0072__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0072","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1555.0,819.7 1300.4,875.0 1348.6,1239.1 1227.0,1303.9 1226.9,1341.7 1553.6,1396.1 1555.0,819.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0072__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1559.2,838.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3884893,40.6045157]}},{"type":"Feature","properties":{"resourceCoords":[1559.2,1319.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.387936,40.6037058]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0073/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p73","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0073/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0073","type":"ImageService3","width":1671,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1671.0,1949.0 -0.0,1949.0 -0.0,46.0 809.0,53.0 806.3,564.0 1137.3,55.1 1268.4,59.1 1671.0,312.3 1671.0,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0073/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[240.0,1342.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3976556,40.6015805]}},{"type":"Feature","properties":{"resourceCoords":[809.0,53.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.394796,40.602876]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0074/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p74","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0074/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0074","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"780.9,245.5 821.5,193.1 897.4,165.5 1168.0,175.3 1093.4,0.0 1215.7,0.0 1250.9,82.6 1251.6,173.7 1516.2,172.9 1568.7,850.2 1668.0,849.0 1668.0,1156.9 1585.8,1156.6 1591.5,1576.0 1640.3,1949.0 0.0,1949.0 -0.0,-0.0 648.8,0.0 703.1,270.4 774.5,263.9 780.9,245.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0074/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3816437230097,40.60242877383931]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38193079395596,40.60850169170685]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3726496143647,40.60875814900214]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37236254341845,40.6026852311346]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0078__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p78 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5678.0"},{"label":"split_canvas_w","value":"6652.0"},{"label":"split_canvas_h","value":"2118.0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0078__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0078","type":"ImageService3","width":1663,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"132.9,1949.0 1663.0,1949.0 1663.0,1419.5 0.0,1419.6 0.0,1466.6 62.5,1564.0 97.0,1550.0 302.2,1820.8 132.9,1949.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0078__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[221.0,1628.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3694001,40.6311227]}},{"type":"Feature","properties":{"resourceCoords":[1502.0,1628.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-75.3656491,40.6347718]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0008","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"423.1,0.0 661.5,0.0 732.9,53.7 965.0,71.6 984.5,0.0 1668.0,0.0 1668.0,1852.6 1207.8,1849.5 1207.2,1895.8 266.2,1887.8 287.4,228.3 422.4,238.9 423.1,0.0 423.1,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37238820941114,40.630968759306505]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.368439006285,40.63092597869273]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.36850440991311,40.627399134870906]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.37245361303926,40.62744191548468]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Bethlehem, Pennsylvania | 1912 | sanborn07530_005 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T20:15:08Z","modified":"2026-09-21T20:15:08Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0009","type":"ImageService3","width":1668,"height":1949},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,941.0 0.0,717.9 110.1,717.1 99.3,0.0 1224.8,0.0 799.3,280.7 765.8,360.0 769.3,657.6 1553.1,589.7 1553.2,666.8 1553.8,666.8 1556.2,1928.1 128.2,1920.7 117.3,1194.3 0.0,941.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd382m:g3824m:g3824bm:g3824bm_g075301912:07530_1912-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38643608035733,40.624997647656485]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38632830349015,40.62803712774199]}},{"type":"Feature","properties":{"resourceCoords":[1668.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.3816816920447,40.62794087345405]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1949.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-75.38178946891188,40.624901393368546]}}]}}]}