{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn07707_008.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Harrisburg, Pennsylvania | 1956 | 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":"99"},{"label":"placed","value":"82"},{"label":"unplaced","value":"17"},{"label":"fit sources","value":"georef 47, georef-snap 33, snap:0 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"9 sheet(s) cut into 21 panels"},{"label":"unplaced pages","value":"p0 (tier 1, 40.27884,-76.87089 +/-255m); p11__1 (tier 3, 40.25752,-76.89426 +/-476m); p19__2 (tier 2, 40.26927,-76.88639 +/-155m); p31 (tier 1, 40.27158,-76.87811 +/-133m); p33__2 (tier 1, 40.27094,-76.87436 +/-100m); p41__2 (tier 1, 40.26439,-76.87685 +/-100m); p41__3 (tier 2, 40.23917,-76.85275 +/-100m); p41__4 (tier 1, 40.26726,-76.87702 +/-100m); p47__2 (tier 1, 40.26090,-76.87212 +/-112m); p66__1 (tier 2, 40.25590,-76.86145 +/-194m); p66__2 (tier 2, 40.25590,-76.86145 +/-194m); p71 (tier 3, 40.25147,-76.87220 +/-476m); p72 (tier 1, 40.24987,-76.86735 +/-264m); p73 (tier 3, 40.24576,-76.86530 +/-476m); p74 (tier 1, 40.24339,-76.85913 +/-130m); p76__2 (tier 1, 40.24069,-76.85664 +/-262m); p77__1 (tier 1, 40.27631,-76.87850 +/-203m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p1","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0001/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0001/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2245.4,368.5 4352.0,0.0 4352.0,283.7 3419.2,3564.3 2391.2,4709.2 1115.3,4638.4 1292.8,3556.4 1095.9,3503.2 583.6,5400.0 -0.0,5400.0 0.0,-0.0 1474.4,0.0 1550.5,1368.5 1815.9,1355.8 2245.4,368.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0001/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.88006988639081,40.25518999527074]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87767366883405,40.25754419986522]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87387289448506,40.255259084615176]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87626911204183,40.252904880020694]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0010/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0010/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"963.7,2694.7 2183.2,2695.1 2181.4,2601.7 929.0,2606.6 323.2,839.9 3476.5,854.1 3481.4,3802.4 2401.4,3782.8 1464.3,4138.7 963.7,2694.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.88884968708538,40.264434349137574]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8853241382184,40.265884900832226]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8829819924063,40.262523225503735]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.88650754127329,40.26107267380908]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0011__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p11 [2]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"17"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4352.0"},{"label":"split_canvas_h","value":"4053.6"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0011__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0011/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1832.7,456.2 268.4,465.3 220.6,517.3 230.1,2062.2 757.4,3598.1 1568.6,3162.0 1657.9,3344.6 1666.8,3340.8 2349.5,3342.2 2724.4,3149.4 2479.0,2682.3 2051.1,2899.6 2038.4,2817.9 3532.0,2087.3 3699.6,2430.2 3948.1,1378.3 3763.8,1379.3 3748.4,689.7 1830.3,681.2 1832.7,456.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0011__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2036.0,1816.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8816837,40.2646421]}},{"type":"Feature","properties":{"resourceCoords":[232.0,1440.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8848725,40.2639479]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p12","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0012/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0012/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"199.6,4485.5 172.0,2224.0 1071.8,2217.2 1052.5,1185.6 2032.0,1166.0 2002.0,139.8 1066.4,158.8 1115.8,0.0 4352.0,0.0 4352.0,5400.0 356.9,5400.0 199.6,4485.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2032.0,1168.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8794721,40.2634635]}},{"type":"Feature","properties":{"resourceCoords":[172.0,2224.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8796994,40.2619655]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p13","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0013/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0013/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3881.4,666.3 3885.6,2244.2 4352.0,2244.9 4352.0,2434.1 3888.0,2433.6 3897.3,3290.6 3605.9,3294.3 3623.9,4435.1 1592.0,4432.0 1590.6,3755.8 482.5,3773.4 508.3,5400.0 -0.0,5400.0 -0.0,-0.0 1604.0,0.0 1584.2,699.1 3881.4,666.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1592.0,2296.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8903833,40.2648391]}},{"type":"Feature","properties":{"resourceCoords":[1592.0,4432.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.889456,40.2635189]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p14","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0014/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0014/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"687.3,4448.6 676.5,3303.4 970.2,3303.6 966.3,2443.4 1434.0,2449.9 1435.2,2260.1 965.1,2253.2 970.4,609.3 3358.7,675.6 3350.9,4487.4 687.3,4448.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0014/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.89030302513663,40.26668839666359]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.88682736411153,40.26815206271802]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.88446396364527,40.26483806775488]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.88793962467038,40.263374401700446]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p15","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0015/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0015/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"444.0,740.0 3663.5,743.1 3676.6,743.1 3872.7,743.3 4100.0,1515.6 4105.2,2456.0 4352.0,2460.3 4352.0,2650.1 4084.0,2646.3 4032.0,4615.0 493.2,4531.4 394.7,4633.4 444.0,740.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[444.0,3428.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8861508,40.2657978]}},{"type":"Feature","properties":{"resourceCoords":[444.0,740.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.887325,40.2674034]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0016/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0016/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"397.9,2812.6 358.9,1877.1 104.0,1115.3 3178.8,1007.0 3148.9,54.2 4352.0,21.5 4352.0,2442.2 3749.4,2458.2 3847.9,5400.0 3268.7,5400.0 3237.0,5400.0 -0.0,5400.0 -0.0,4950.9 401.9,4946.8 383.5,3002.5 651.5,2998.5 644.7,2809.7 397.9,2812.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0016/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.88517723327554,40.26919251318444]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8817128180896,40.27056470881172]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87949703380042,40.26726155929665]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.88296144898636,40.26588936366937]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p17","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"21"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0017/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0017/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1161.1,4287.3 1188.8,3585.1 -0.0,3571.7 -0.0,1401.0 1091.3,1402.6 1052.1,722.9 1672.6,715.2 1634.1,0.0 3457.4,0.0 3469.6,4280.3 1161.1,4287.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2640.0,2116.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8908546,40.2676482]}},{"type":"Feature","properties":{"resourceCoords":[2640.0,3340.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8903147,40.2668999]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p18","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"21"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0018/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0018/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"918.1,722.9 3331.5,697.7 3335.5,448.8 4352.0,419.4 4352.0,915.5 3949.1,930.0 4352.0,1245.9 4352.0,2036.2 3348.9,2045.8 3366.4,4332.9 964.7,4294.1 918.1,722.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2608.0,4344.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8879266,40.2671483]}},{"type":"Feature","properties":{"resourceCoords":[932.0,2172.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8901996,40.2679232]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0019__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p19 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2058.0"},{"label":"split_canvas_w","value":"4352.0"},{"label":"split_canvas_h","value":"3342.0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0019__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0019/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3775.6,3378.3 3688.8,2058.0 2882.0,2058.0 2829.2,2058.0 384.0,2058.0 384.0,4324.5 3539.1,4310.8 3775.6,3378.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0019__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[384.0,2157.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8882809,40.2687289]}},{"type":"Feature","properties":{"resourceCoords":[384.0,3381.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8877412,40.2679805]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p2","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0002/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"368.6,3371.6 389.2,198.6 1451.8,203.7 1462.5,0.0 1596.6,0.0 1619.7,939.5 2306.4,948.7 2456.9,839.9 2546.4,1774.4 3968.3,1638.2 3278.8,2823.9 3453.9,2924.3 1794.8,5243.3 368.6,3371.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1400.0,2024.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8761408,40.2566616]}},{"type":"Feature","properties":{"resourceCoords":[1400.0,204.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8775011,40.2573945]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p20","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0020/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0020/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"191.6,3449.3 119.1,2097.8 -0.0,2096.3 -0.0,1547.6 93.9,1547.9 137.0,951.4 291.8,439.6 570.9,0.0 3708.9,0.0 3457.8,3442.3 3242.3,3440.6 3232.0,4400.0 -0.0,4400.1 191.6,3449.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3232.0,4400.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8822335,40.2695788]}},{"type":"Feature","properties":{"resourceCoords":[44.0,4400.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8847186,40.2685077]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p21","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"16"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0021/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0021/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2976.4,400.4 3684.6,399.5 3704.3,4000.6 1892.3,4003.2 1931.6,4715.0 1314.1,4723.5 1354.0,5400.0 -0.0,5400.0 -0.0,-0.0 2976.9,17.8 2976.4,400.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3708.0,2148.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8919506,40.2703557]}},{"type":"Feature","properties":{"resourceCoords":[3708.0,4676.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8908332,40.2688018]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p22","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0022/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0022/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"719.8,390.2 -0.0,387.1 0.0,-0.0 3158.7,0.0 3170.2,4726.2 749.2,4718.0 719.8,390.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0022/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.89348167324653,40.27141876787795]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.89003896890205,40.27287585725153]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.88768602218039,40.26959351720576]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.89112872652487,40.26813642783218]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p23","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"22"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0023/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0023/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"869.6,4318.3 -0.0,236.3 0.0,-0.0 1102.3,0.0 2845.8,0.0 3281.9,1301.9 4186.6,4813.1 4146.1,5400.0 2197.4,5400.0 869.6,4318.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1432.0,2788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8892538,40.2708771]}},{"type":"Feature","properties":{"resourceCoords":[1432.0,4316.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8885729,40.2699528]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p24","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"19"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0024/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0024/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,4414.6 1150.2,4401.7 1153.7,1390.2 704.0,1390.2 705.4,86.2 -0.0,91.7 0.0,-0.0 2498.2,0.0 2458.9,339.2 3552.4,339.4 3327.2,2207.0 3124.0,2864.0 2237.5,4402.0 2090.0,4909.3 97.6,4908.6 97.1,5400.0 -0.0,5400.0 -0.0,4414.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1152.0,2864.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8878046,40.2715123]}},{"type":"Feature","properties":{"resourceCoords":[3124.0,2864.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8862396,40.2721699]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p25","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"10"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0025/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0025/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1134.4,506.9 -0.0,638.4 0.0,-0.0 3469.3,0.0 3740.7,1378.1 3581.5,1772.2 3700.3,3985.1 488.2,4393.4 994.1,3177.5 1118.8,2247.8 1134.4,506.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1732.0,436.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8865474,40.274033]}},{"type":"Feature","properties":{"resourceCoords":[3376.0,2212.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8846437,40.2733573]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p26","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0026/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0026/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2992.3,4679.3 3738.4,4718.2 3613.9,5400.0 1075.4,5400.0 1057.8,4589.8 574.2,4613.4 599.7,1889.2 686.7,1709.0 585.2,900.5 570.9,1049.8 -0.0,1010.5 -0.0,-0.0 4352.0,0.0 4352.0,1654.1 4055.2,3135.7 3790.6,3085.6 3674.1,3843.5 3585.7,4033.2 3506.7,4459.8 3001.2,4487.8 2992.3,4679.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0026/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8871238610112,40.27569303925216]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87997421782251,40.278375558902134]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87564219404086,40.271559298170516]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.88279183722956,40.26887677852054]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0027__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p27 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4352.0"},{"label":"split_canvas_h","value":"5400.0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0027__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0027/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1007.2,4905.4 -0.0,5014.7 -0.0,5400.0 1493.8,5400.0 1568.3,4844.6 3717.5,4622.1 3718.3,4614.1 4352.0,4546.1 4352.0,0.0 3514.1,0.0 3423.3,645.4 2249.3,480.2 1979.8,2189.6 1446.7,2116.6 1284.3,3650.5 1125.4,4040.8 1007.2,4905.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0027__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2576.0,2016.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8775077,40.2745088]}},{"type":"Feature","properties":{"resourceCoords":[1568.0,4844.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8773349,40.2724184]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0027__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p27 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1288.0"},{"label":"split_canvas_h","value":"1832.4"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0027__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0027/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"166.0,588.9 162.7,1830.3 492.4,1826.0 1060.0,1813.2 1288.0,0.0 55.2,0.0 166.0,588.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0027__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[168.0,1632.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8783834,40.275547]}},{"type":"Feature","properties":{"resourceCoords":[168.0,264.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8787298,40.2765193]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0028/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p28","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0028/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0028/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2146.5,4850.8 906.5,4864.3 395.9,390.2 -0.0,433.1 0.0,-0.0 3097.1,0.0 3190.5,1888.4 3951.0,1850.6 4088.2,4304.3 2146.5,4850.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0028/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87717804516923,40.276468042119866]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87347000760435,40.27733131395796]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87207587798012,40.27379624175013]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.875783915545,40.272932969912034]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p29","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0029/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0029/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4352.0,0.0 4352.0,2356.9 3571.3,2369.5 3591.2,4535.6 2428.3,4547.3 759.9,4801.1 744.4,2384.1 -0.0,2388.0 0.0,-0.0 4352.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0029/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3592.0,3484.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8705522,40.275982]}},{"type":"Feature","properties":{"resourceCoords":[756.0,4196.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8727711,40.274856]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p3","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"2"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0003/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"263.8,5400.0 -0.0,5400.0 0.0,-0.0 4352.0,0.0 4352.0,717.9 3445.7,726.8 3650.2,2934.9 3857.8,2935.6 3823.2,3737.9 4352.0,3707.9 4352.0,5129.7 4000.4,5074.7 3698.8,5216.0 3004.4,5204.5 2984.1,4254.3 2785.4,4176.1 2784.6,4460.0 744.0,4444.0 263.8,5400.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[744.0,716.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8813356,40.2577266]}},{"type":"Feature","properties":{"resourceCoords":[744.0,4444.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8785742,40.2562487]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p30","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0030/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0030/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"442.1,2328.1 1229.4,2326.0 1260.5,0.0 4352.0,0.0 4329.6,4521.6 433.0,4512.2 442.1,2328.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0030/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[448.0,3452.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8705522,40.275982]}},{"type":"Feature","properties":{"resourceCoords":[3856.0,2356.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8680065,40.2775056]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p32","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0032/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0032/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"793.5,-0.0 968.5,-0.0 1589.4,125.0 1583.1,203.4 4338.2,913.0 4280.1,5400.0 -0.0,5400.0 -0.0,0.0 793.5,-0.0 793.5,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0032/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87688302814983,40.270687537509495]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87496250363165,40.26804543691437]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87926327653493,40.26622894930306]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.88118380105311,40.26887104989819]}},{"type":"Feature","properties":{"resourceCoords":[4184.0,876.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8757354,40.2678523]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0033__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p33 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4352.0"},{"label":"split_canvas_h","value":"5400.0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0033__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0033/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3061.6,148.1 97.2,762.6 70.4,2041.2 1813.2,2169.6 1792.0,2306.0 1762.0,2501.2 2144.8,2528.0 2106.0,2792.8 2066.4,3062.8 1797.6,3025.2 1487.2,2982.0 764.0,2881.2 54.3,2808.0 -0.0,5400.0 3577.1,5400.0 3530.9,4986.5 4352.0,4841.0 4352.0,0.0 3047.1,0.0 3061.6,148.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0033__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1316.0,524.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8764108,40.2728033]}},{"type":"Feature","properties":{"resourceCoords":[788.0,628.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.876812,40.2726362]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0034/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p34","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0034/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0034/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1152.3,5400.0 1403.6,875.0 3920.8,908.7 3861.1,1067.2 4352.0,1302.7 4352.0,5400.0 1152.3,5400.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0034/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86082289789148,40.24403608845483]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.85818620131947,40.24618679716819]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.85471457167391,40.24367191230383]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.85735126824592,40.241521203590466]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p35","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0035/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0035/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3563.3,176.9 3637.2,4955.0 2434.8,4969.4 2431.0,4732.8 1308.5,5052.5 -0.0,5239.9 -0.0,570.8 2383.8,190.4 3563.3,176.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0035/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87330395264888,40.274595058753]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8696164137092,40.275588366906284]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86801232670561,40.27207274273741]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8716998656453,40.271079434584124]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p36","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0036/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0036/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"409.4,4936.9 415.2,137.5 4352.0,154.7 4352.0,5400.0 4270.6,5400.0 4266.3,4522.2 3857.9,4524.3 3856.7,4953.3 409.4,4936.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0036/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87062295224112,40.2752829738719]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86697325815118,40.27631887997583]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8653003613748,40.27283937502828]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86895005546475,40.271803468924354]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0037/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p37","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0037/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0037/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"811.0,2927.1 832.0,2803.1 470.0,2827.7 929.8,0.0 1023.0,0.0 1000.3,202.4 4352.0,595.1 4352.0,2947.2 3929.8,2976.8 3770.6,4566.4 3713.4,4540.3 3738.1,4968.0 1950.7,4971.7 1602.7,5400.0 34.0,5400.0 450.3,2951.1 811.0,2927.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0037/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87711819716215,40.2693920046937]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8735573143118,40.2706195036826]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87157518066566,40.26722437967382]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87513606351601,40.26599688068492]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0038/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p38","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0038/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0038/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"722.9,2713.2 879.8,0.0 4352.0,0.0 4352.0,1193.9 3953.4,1193.0 3969.9,2372.5 3795.4,2375.2 3978.2,4581.3 1524.2,4751.2 -0.0,4701.7 -0.0,4252.8 55.1,4282.0 303.5,2718.4 722.9,2713.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0038/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8741884397921,40.270208490241025]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87069434321158,40.27160434214221]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86844032607934,40.26827294214402]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87193442265986,40.266877090242836]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0039/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p39","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0039/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0039/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"831.5,2417.4 1006.3,2426.6 1070.4,1244.8 1469.4,1272.9 1551.0,77.9 2710.2,0.0 2664.7,231.2 3838.3,467.2 3012.4,4629.7 863.7,4638.1 831.5,2417.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0039/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87192519516954,40.27109080654868]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86857399843637,40.27266107365238]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86603829788407,40.26946596789675]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86938949461724,40.26789570079305]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p4","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0004/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"92.2,3227.0 194.0,2480.0 0.0,2463.1 0.0,379.4 848.0,449.7 889.6,0.0 1320.7,0.0 1283.6,480.7 3096.0,628.0 3171.3,1791.2 4327.8,1921.9 3807.2,2625.2 3507.6,2400.0 1356.1,5400.0 0.0,5400.0 0.0,4508.8 466.0,4573.8 589.1,3244.7 92.2,3227.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[196.0,2480.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8780721,40.2586048]}},{"type":"Feature","properties":{"resourceCoords":[3096.0,628.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8782321,40.2611317]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0040/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p40","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0040/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0040/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"517.3,4610.4 547.5,389.7 3946.1,423.0 3949.4,0.0 4352.0,0.0 4352.0,4064.5 3924.8,3963.5 3928.6,4123.0 3347.2,4009.0 517.3,4610.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0040/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86933914693401,40.27231953535139]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8656441991591,40.27338455201258]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86392436709868,40.26986174857093]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86761931487358,40.268796731909745]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0041__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p41 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4352.0"},{"label":"split_canvas_h","value":"5400.0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0041__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0041/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4048.7,4916.9 4005.6,246.9 4352.0,162.1 4352.0,37.3 -0.0,1105.7 0.0,2264.0 0.0,2672.0 -0.0,3241.2 1021.1,4486.4 1006.0,4353.2 1629.2,4279.2 1761.2,4263.6 1784.4,3999.6 2048.0,4006.4 2336.0,4014.4 2332.0,4168.8 2578.4,4173.6 2790.4,4177.2 2792.0,4190.4 2862.8,4702.4 2567.2,4742.4 2316.0,4776.4 2310.0,5112.6 4048.7,4916.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0041__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":[-76.87925483862864,40.267137422531356]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87541698920485,40.26788940906198]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87419291647252,40.26425946012543]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87803076589631,40.26350747359481]}},{"type":"Feature","properties":{"resourceCoords":[4000.0,-36.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8757354,40.2678523]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0042/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p42","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0042/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0042/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3813.5,586.0 3809.9,849.2 3756.1,4736.6 -0.0,4723.3 -0.0,3759.0 2448.5,2364.5 1337.0,447.5 3813.5,586.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0042/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87793496046332,40.26383166731023]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87433942365216,40.2650552567195]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87236376731401,40.26162680693454]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87595930412517,40.260403217525266]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0043/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p43","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0043/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0043/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"549.2,3753.6 795.3,925.0 2341.0,851.3 2663.8,412.9 3704.7,395.0 3648.7,2302.3 4352.0,2318.9 4352.0,3147.9 3670.5,3140.2 3665.4,3711.9 4212.0,3722.0 4192.6,4571.8 591.8,4674.3 549.2,3753.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0043/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87608848884425,40.26640493008003]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87240578678728,40.26751580802393]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87061205180339,40.264004374942736]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87429475386035,40.262893496998835]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0044/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p44","metadata":[{"label":"streets","value":"15"},{"label":"intersections","value":"22"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0044/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0044/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1107.4,3192.9 1095.1,2358.1 387.0,2358.7 406.3,436.6 3841.3,16.9 3805.9,3785.1 3481.8,3786.4 3480.9,4461.7 3149.8,4358.5 3148.8,4958.0 3219.2,5023.1 3006.9,5400.0 2598.3,5367.2 2596.9,4913.1 974.2,4934.5 978.3,3774.6 431.0,3778.0 425.0,3202.0 1107.4,3192.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0044/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2600.0,3952.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8698487,40.2653315]}},{"type":"Feature","properties":{"resourceCoords":[3816.0,960.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8697501,40.2675693]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0045/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p45","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0045/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0045/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"587.8,894.7 3895.8,191.7 3896.4,4793.6 564.8,4754.1 587.8,894.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0045/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87080187016564,40.26863090115905]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86710367293195,40.26967279507124]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86542127244682,40.26614670070187]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86911946968051,40.26510480678968]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0046/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p46","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"23"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0046/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0046/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"396.3,943.2 3222.3,304.7 3804.6,412.5 3799.6,252.1 4227.5,348.6 4225.2,0.0 4352.0,0.0 4352.0,4831.8 390.4,4846.3 396.3,943.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0046/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2092.0,3608.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8651571,40.2681083]}},{"type":"Feature","properties":{"resourceCoords":[1244.0,772.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.866762,40.2697505]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0047__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p47 [1]","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"18"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4352.0"},{"label":"split_canvas_h","value":"5400.0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0047__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0047/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2175.2,4410.6 2169.4,4820.9 3556.0,4796.8 3525.3,2544.7 4352.0,2574.1 4352.0,2354.1 4108.5,2191.5 4231.3,320.8 3694.1,296.2 3711.0,0.0 1050.0,0.0 1050.0,2681.2 104.9,2691.3 113.9,4427.9 2175.2,4410.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0047__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1368.0,2572.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8720533,40.2622324]}},{"type":"Feature","properties":{"resourceCoords":[2864.0,4804.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8700108,40.2612237]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0048/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p48","metadata":[{"label":"streets","value":"15"},{"label":"intersections","value":"30"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0048/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0048/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1027.1,2622.5 681.3,2404.7 718.1,548.2 1798.2,547.0 1796.3,998.3 2202.1,1033.9 2415.9,661.0 2346.4,595.8 2346.6,0.0 2501.5,0.0 3643.4,671.4 3020.9,1724.9 4141.3,2375.8 3696.0,3149.1 4026.9,3346.1 3587.6,3337.1 3250.3,3922.8 3206.5,4970.0 252.7,5007.4 120.3,2780.5 939.6,2772.2 1027.1,2622.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0048/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1768.0,2336.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8690008,40.2635326]}},{"type":"Feature","properties":{"resourceCoords":[1236.0,548.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8700312,40.2645676]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0049/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p49","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0049/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0049/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1511.6,2978.7 362.3,2322.5 988.1,1251.7 -0.0,680.8 -0.0,0.0 328.7,0.0 328.4,103.4 3696.6,150.4 3690.5,1138.1 3106.7,1135.0 3087.9,3178.5 3675.7,3515.2 2919.4,4850.2 1063.5,3764.2 1511.6,2978.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0049/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86914862755462,40.265650336130115]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86549356192599,40.26668672957887]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86382011622098,40.26320160779663]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86747518184961,40.262165214347874]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"200.0,5400.0 -0.0,5400.0 -0.0,1929.3 246.4,1957.7 274.0,650.9 4234.8,671.9 4352.0,5400.0 2193.9,5400.0 2139.5,4607.7 191.5,4558.2 200.0,5400.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.88464547719299,40.2594040871132]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.88349680990007,40.26067715074628]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.88144136834056,40.25958181066448]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.88259003563348,40.25830874703139]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0050/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p50","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"20"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0050/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0050/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,3809.3 -0.0,1798.3 571.0,1793.1 559.9,109.4 4352.0,64.8 4352.0,5400.0 4157.8,5400.0 4175.6,4599.9 357.2,4533.8 576.2,4135.4 -0.0,3809.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0050/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[576.0,4132.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8649722,40.264257]}},{"type":"Feature","properties":{"resourceCoords":[2272.0,5100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8632124,40.2640165]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0051/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p51","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0051/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0051/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,15.2 4226.6,135.6 4128.3,5400.0 -0.0,5400.0 -0.0,15.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0051/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8765580145749,40.26075685281323]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87304810986727,40.26200031482799]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87104045940363,40.25865336276987]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87455036411126,40.25740990075511]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0052/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p52","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0052/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0052/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4322.5,5400.0 3976.3,5400.0 -0.0,4225.6 -0.0,1369.1 3826.2,1065.5 3950.6,3442.7 4322.5,5400.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0052/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87479347399214,40.258369886107836]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87106839715044,40.25937305801661]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8694487692362,40.25582079518816]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8731738460779,40.254817623279386]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0053/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p53","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0053/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0053/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"532.5,4683.1 536.6,3414.6 536.8,3374.2 547.7,0.0 2620.8,0.0 2611.4,412.6 4006.0,400.0 3988.9,4689.0 532.5,4683.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0053/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2596.0,3684.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8694108,40.2589631]}},{"type":"Feature","properties":{"resourceCoords":[4008.0,400.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8694374,40.2614167]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0054/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p54","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"20"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0054/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0054/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"548.2,514.1 3522.7,429.3 3505.4,4672.5 828.7,4760.0 548.2,514.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0054/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2768.0,1540.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8672262,40.2612662]}},{"type":"Feature","properties":{"resourceCoords":[2008.0,4668.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8669184,40.259051]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0055/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p55","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"23"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0055/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0055/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"915.2,0.0 1357.9,0.0 4352.0,1671.3 4352.0,2694.3 3883.3,2432.5 3554.5,3046.8 3566.8,4922.6 584.5,4910.2 588.4,596.2 915.2,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0055/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2104.0,2244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8654237,40.2621333]}},{"type":"Feature","properties":{"resourceCoords":[2104.0,3876.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8649299,40.2610668]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0056/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p56","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0056/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0056/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1011.5,2524.2 1492.7,2781.3 1472.2,1749.2 -0.0,977.3 -0.0,839.4 440.1,0.0 1412.9,0.0 1416.5,0.0 4352.0,0.0 4352.0,4768.2 734.9,4847.7 689.9,3148.9 1011.5,2524.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0056/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86541377162258,40.26384519059791]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86172281809837,40.26479145175405]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86019495054092,40.26127201126164]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86388590406513,40.2603257501055]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0057/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p57","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0057/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0057/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3429.3,5400.0 -0.0,5400.0 0.0,-0.0 202.9,0.0 313.1,1085.3 1557.0,822.4 1296.9,0.0 3029.8,0.0 4352.0,919.7 4352.0,1654.4 3429.3,5400.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0057/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87700075135011,40.25430040019222]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87387287500015,40.25610207201006]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87096421077581,40.253119153297156]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87409208712577,40.25131748147932]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0058/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p58","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0058/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0058/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 843.6,0.0 4352.0,1253.7 4352.0,1791.4 4053.2,1773.7 4261.7,4346.6 2941.7,4549.9 2990.8,5400.0 -0.0,5400.0 0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0058/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87309928691973,40.25540092370791]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86950078514221,40.25657545155761]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86760458302683,40.253143744877974]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87120308480435,40.251969217028275]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0059/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p59","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0059/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0059/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4352.0,4617.2 393.4,3215.0 733.9,3250.0 562.6,1245.6 650.7,87.0 4352.0,198.9 4352.0,4617.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0059/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87131274401091,40.25762859979781]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8677754512731,40.25890696087406]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8657115442805,40.2555337447704]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8692488370183,40.25425538369416]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005A/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p5A","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005A/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005A/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"358.5,4598.4 318.0,2430.7 1841.8,2574.6 2028.0,647.2 4129.4,590.0 4151.8,3731.0 3892.5,3729.1 3892.9,4579.9 358.5,4598.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005A/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.88356805369409,40.26059730879907]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.88239142635454,40.26185069887117]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.88036771196569,40.26072871732912]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.88154433930524,40.25947532725702]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005B/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p5B","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"7"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005B/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005B/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"401.7,3850.1 466.0,729.8 4021.3,641.2 3917.9,3946.2 401.7,3850.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005B/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2296.0,4700.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8802213,40.2614018]}},{"type":"Feature","properties":{"resourceCoords":[4192.0,648.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8812793,40.2627729]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005C/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p5C","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"11"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005C/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005C/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"254.6,612.0 2220.7,646.8 255.4,668.1 254.6,612.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005C/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4084.0,2736.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8794721,40.2634635]}},{"type":"Feature","properties":{"resourceCoords":[292.0,4732.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8796994,40.2619655]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005D/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p5D","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005D/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005D/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"466.0,756.0 2422.6,868.2 2379.9,1633.9 4174.9,1691.3 4254.4,3440.9 0.0,3263.6 -0.0,-0.0 309.6,0.0 247.6,1565.6 441.9,1571.8 466.0,756.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005D/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2316.0,2780.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8815655,40.2587049]}},{"type":"Feature","properties":{"resourceCoords":[464.0,756.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8828599,40.2585355]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005E/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p5E","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"5"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005E/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005E/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.7,1687.1 297.4,1680.2 284.6,871.5 3646.1,881.2 3639.2,3732.3 3057.9,3794.3 3051.8,3355.5 173.6,3395.2 0.7,1687.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005E/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2092.0,2812.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8804795,40.2598765]}},{"type":"Feature","properties":{"resourceCoords":[188.0,4736.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8802627,40.258882]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005F/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p5F","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005F/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005F/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4204.2,1363.1 4155.9,4075.5 2306.7,4366.0 2013.5,845.9 2234.3,842.5 2236.9,1339.0 4204.2,1363.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0005F/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2244.0,2724.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8833032,40.2614919]}},{"type":"Feature","properties":{"resourceCoords":[4156.0,2724.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8826943,40.2619921]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p6","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0006/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,3823.3 0.0,-0.0 4352.0,0.0 4352.0,763.4 4104.0,769.3 4019.2,1047.9 4056.1,4683.8 307.7,4786.9 300.0,4542.9 276.3,3793.2 -0.0,3823.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2168.0,796.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8802213,40.2614018]}},{"type":"Feature","properties":{"resourceCoords":[2164.0,4748.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8787278,40.2605728]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0060/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p60","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0060/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0060/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1943.9,4795.2 1417.3,4669.5 890.4,282.7 3258.9,160.4 3256.3,741.1 2744.4,753.7 2831.9,3915.2 1931.2,3939.0 1943.9,4795.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0060/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86853848592342,40.25877460015381]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8648280341152,40.259719650335356]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86330223524654,40.25618135464967]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86701268705475,40.25523630446812]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0061/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p61","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0061/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0061/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"540.1,1106.7 632.8,1108.6 655.6,107.7 3723.6,154.0 3726.6,4130.1 4352.0,4138.9 4352.0,5400.0 3463.8,5400.0 3461.8,4918.9 -0.0,4914.7 -0.0,1695.8 521.2,1697.5 540.1,1106.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0061/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86649565738576,40.2599580807384]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86288470574985,40.260963807025405]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86126091439648,40.25752045840405]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86487186603239,40.25651473211705]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0062/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p62","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0062/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0062/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1006.9,4090.6 398.6,4084.2 401.6,0.0 4352.0,0.0 4352.0,5400.0 141.2,5400.0 141.0,5328.3 1005.1,5325.1 1006.9,4090.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0062/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[400.0,2176.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8627491,40.2594284]}},{"type":"Feature","properties":{"resourceCoords":[3896.0,4100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8591697,40.2589978]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0063/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p63","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0063/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0063/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2619.4,0.0 3978.5,0.0 3468.0,5216.4 4175.3,5400.0 -0.0,5400.0 -0.0,343.6 2497.2,850.7 2619.4,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0063/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.87099087909372,40.25228875771956]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86779809397295,40.25397453160166]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86507662090912,40.25092961979682]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8682694060299,40.24924384591472]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0064/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p64","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0064/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0064/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4184.0,411.1 4170.9,5400.0 816.2,5400.0 78.4,0.0 2558.8,0.0 4184.0,411.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0064/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[320.0,1600.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8684342,40.2543916]}},{"type":"Feature","properties":{"resourceCoords":[4184.0,412.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8655262,40.2560547]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0065/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p65","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0065/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0065/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"162.0,0.0 4352.0,0.0 4352.0,747.0 3909.6,743.9 3880.2,4944.4 1635.7,4955.1 1634.8,5400.0 70.8,5400.0 162.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0065/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[148.0,840.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8655262,40.2560547]}},{"type":"Feature","properties":{"resourceCoords":[3152.0,4948.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8616227,40.2540607]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0066__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p66 [3]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"666.0"},{"label":"split_canvas_w","value":"4352.0"},{"label":"split_canvas_h","value":"4734.0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0066__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0066/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1321.6,4938.4 1329.3,5400.0 1999.1,5400.0 1999.0,4930.6 3125.2,4777.0 4352.0,5400.0 4352.0,1784.8 1341.6,989.2 0.0,666.0 0.0,787.6 0.0,788.4 -0.0,4953.9 481.8,4948.2 1321.6,4938.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0066__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[724.0,3960.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8606769,40.2550508]}},{"type":"Feature","properties":{"resourceCoords":[2536.0,4924.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8588414,40.2548439]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0067/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p67","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0067/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0067/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0,5400 0,0 4352,0 4352,5400 0,5400\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0067/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86878369102011,40.24997483570642]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86534038456604,40.25141136837271]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86302136747217,40.24812741502291]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86646467392625,40.24669088235662]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0068/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p68","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0068/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0068/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3076.9,5400.0 -0.0,5400.0 -0.0,3377.6 1188.5,3087.5 457.8,3076.0 88.3,781.1 3472.8,852.8 3480.1,544.2 3798.3,549.7 3743.2,3127.7 3079.9,3117.3 3076.9,5400.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0068/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3504.0,2100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8635966,40.2520504]}},{"type":"Feature","properties":{"resourceCoords":[456.0,3076.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8658177,40.2506907]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0069/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p69","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0069/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0069/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,3096.5 -0.0,591.3 1217.2,586.3 1216.4,138.5 4197.6,112.1 4197.4,3072.9 -0.0,3096.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0069/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1220.0,2096.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8623255,40.252404]}},{"type":"Feature","properties":{"resourceCoords":[4200.0,1100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8600624,40.2537639]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0007/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0007/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1464.8,586.7 3504.3,640.0 4352.0,2596.2 4352.0,5398.3 3575.2,5400.0 1410.3,4738.0 1472.6,5400.0 -0.0,5400.0 -0.0,956.0 1440.4,1474.5 1464.8,586.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.88841290023316,40.26080027872671]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.88579634816196,40.263087083399334]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8821040907207,40.26059205079804]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8847206427919,40.25830524612542]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0070/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p70","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"17"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0070/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0070/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"324.6,166.5 2760.2,0.0 3864.5,594.4 3947.4,593.7 3942.9,0.0 4352.0,0.0 4352.0,5400.0 4032.0,5400.0 523.1,4132.1 523.0,4132.0 376.0,4132.0 356.0,3170.1 324.6,166.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0070/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2168.0,2136.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8582123,40.2535483]}},{"type":"Feature","properties":{"resourceCoords":[376.0,4132.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8591502,40.2518437]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0075/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p75","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0075/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0075/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3967.0,5400.0 -0.0,5400.0 -0.0,-0.0 4074.4,0.0 3895.2,4874.9 3967.0,5400.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0075/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86219912743817,40.242519324591235]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8594807470138,40.24465561316492]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.85603248406895,40.24206275044964]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.85875086449332,40.23992646187595]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0076__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p76 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3005.6"},{"label":"split_canvas_w","value":"2194.8"},{"label":"split_canvas_h","value":"2394.4"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0076__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0076/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,5400.0 2194.8,5400.0 2156.8,3005.6 0.0,3022.0 0.0,5400.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0076__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,3005.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8546411476974,40.23955822473484]}},{"type":"Feature","properties":{"resourceCoords":[2194.8,3005.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.85351198916727,40.24081609806285]}},{"type":"Feature","properties":{"resourceCoords":[2194.8,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.85171152834702,40.23987698667079]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.85284068687714,40.23861911334278]}},{"type":"Feature","properties":{"resourceCoords":[1667.1,4860.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8523888,40.2397862]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0077__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p77 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"2367.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1984.8"},{"label":"split_canvas_h","value":"5400.0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0077__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0077/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4029.8,5400.0 4352.0,5400.0 4352.0,3850.6 4020.6,3977.2 4029.8,5400.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0077__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3177.9,1992.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8767879,40.2761415]}},{"type":"Feature","properties":{"resourceCoords":[2698.7,3616.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8767471,40.2736483]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0078/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p78","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0078/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0078/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,4237.3 125.1,1081.8 1180.0,1121.6 1147.5,3418.1 1825.0,3252.1 2454.8,4728.8 1588.9,5103.4 1582.6,5106.1 903.3,5400.0 505.0,5400.0 -0.0,4237.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0078/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86245244911214,40.25025328691657]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.85878753994255,40.251332163077045]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.85704589012812,40.2478368690018]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8607107992977,40.246757992841324]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0079/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p79","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0079/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0079/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1587.8,3567.1 1268.0,2813.0 922.2,2897.0 941.2,1725.4 403.0,1703.9 348.8,2829.2 -0.0,2990.8 -0.0,193.0 2509.6,242.9 2504.7,731.4 4300.8,796.1 4310.2,278.6 3705.7,266.6 3716.6,5.0 4352.0,0.0 4352.0,5400.0 1525.6,5400.0 1431.0,4990.6 1630.8,4865.2 1145.6,3757.3 1587.8,3567.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0079/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8637458994096,40.25154714776682]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.85656849788987,40.25367331916673]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.85313624064547,40.24682797276297]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8603136421652,40.244701801363064]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p8","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"24"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0008/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0008/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4134.5,5400.0 2120.9,5400.0 2112.0,4892.0 67.5,4947.7 55.9,1066.3 2076.4,969.2 4129.8,1633.6 4134.5,5400.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2112.0,4892.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.883952,40.2619461]}},{"type":"Feature","properties":{"resourceCoords":[1260.0,688.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8856148,40.2627415]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0080/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p80","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0080/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0080/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4352.0,2312.3 4336.5,4689.7 3763.7,5400.0 1290.9,5400.0 1307.0,5006.6 -0.0,4999.8 0.0,-0.0 3732.3,0.0 3421.5,611.6 4352.0,2312.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0080/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.8637068748631,40.24627729735328]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86098475832986,40.248438971587845]}},{"type":"Feature","properties":{"resourceCoords":[4352.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.85749528948713,40.24584271637916]}},{"type":"Feature","properties":{"resourceCoords":[0.0,5400.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-76.86021740602037,40.243681042144594]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Harrisburg, Pennsylvania | 1956 | sanborn07707_008 p9","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"15"}],"created":"2026-09-21T17:14:01Z","modified":"2026-09-21T17:14:01Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0009/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0009/info.json","type":"ImageService2","height":5400,"width":4352},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2563.5,689.2 3124.1,2436.4 4352.0,2446.9 4352.0,2538.9 3156.4,2523.6 3619.8,3951.7 1733.4,4576.8 1997.6,5400.0 -0.0,5400.0 0.0,-0.0 1085.7,0.0 1076.6,662.3 2563.5,689.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824hm:g3824hm_g07707195601:07707_01_1956-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2036.0,1524.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8882756,40.2633136]}},{"type":"Feature","properties":{"resourceCoords":[3140.0,2480.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-76.8869333,40.2630997]}}]}}]}