{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn07575_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Chambersburg, Pennsylvania | 1916 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"42"},{"label":"placed","value":"23"},{"label":"unplaced","value":"19"},{"label":"fit sources","value":"georef 16, georef-snap 7"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"11 sheet(s) cut into 32 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 39.93024,-77.66447 +/-239m); p11__1 (tier 1, 39.94742,-77.64449 +/-100m); p11__2 (tier 1, 39.94719,-77.64491 +/-111m); p13__2 (tier 1, 39.94431,-77.65801 +/-111m); p13__3 (tier 1, 39.94071,-77.64864 +/-165m); p14__2 (tier 2, 39.94701,-77.64975 +/-384m); p15__1 (tier 1, 39.94538,-77.66391 +/-518m); p15__3 (tier 1, 39.92989,-77.65528 +/-100m); p16__3 (tier 1, 39.93077,-77.64182 +/-107m); p18__2 (tier 1, 39.93289,-77.65006 +/-100m); p21__1 (tier 4, 39.93874,-77.65902 +/-1690m); p21__2 (tier 4, 39.93874,-77.65902 +/-1690m); p21__3 (tier 4, 39.93874,-77.65902 +/-1690m); p21__4 (tier 4, 39.93874,-77.65902 +/-1690m); p9__1 (tier 1, 39.93705,-77.65738 +/-100m); p9__2 (tier 1, 39.93836,-77.65348 +/-100m); p9__3 (tier 1, 39.93859,-77.65412 +/-100m); p9__4 (tier 1, 39.94091,-77.65487 +/-100m); p9__6 (tier 2, 39.94262,-77.65463 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chambersburg, Pennsylvania | 1916 | sanborn07575_006 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T10:09:48Z","modified":"2026-09-23T10:09:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0010/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0010/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,964.2 3372.5,0.0 6384.3,0.0 6241.4,3336.4 5789.1,3442.1 5775.4,5877.2 6452.0,5884.5 6452.0,6117.5 5773.6,6103.4 5765.0,7244.2 5241.0,7238.3 4663.1,7480.2 4525.2,7230.2 -0.0,7179.1 -0.0,964.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0010/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.66318861829079,39.943602576008786]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.66069097301161,39.94584820109948]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.65724150962978,39.94356114047234]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.65973915490896,39.941315515381646]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0011__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chambersburg, Pennsylvania | 1916 | sanborn07575_006 p11 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1465.2"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"6186.8"}],"created":"2026-09-23T10:09:48Z","modified":"2026-09-23T10:09:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0011__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0011/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,2521.6 3229.6,2524.0 3046.4,2524.0 3056.4,2295.6 3093.2,1465.2 1869.7,1488.0 817.9,3152.8 727.1,3529.2 732.0,7160.1 6452.0,7210.2 6452.0,2521.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0011__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2244.0,4048.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.657099,39.9427311]}},{"type":"Feature","properties":{"resourceCoords":[732.0,7160.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6583611,39.9413662]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chambersburg, Pennsylvania | 1916 | sanborn07575_006 p12","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T10:09:48Z","modified":"2026-09-23T10:09:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0012/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0012/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,-0.0 6452.0,5726.5 4980.9,3402.2 3997.7,4027.6 3829.9,5051.7 2887.2,4700.3 1088.3,5878.3 1086.0,7404.4 -0.0,7418.8 -0.0,0.0 6452.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0012/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.65511289876606,39.94645108400023]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.6521130559334,39.94437670268126]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.6552994973895,39.94162980580098]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.65829934022217,39.94370418711995]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0013__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chambersburg, Pennsylvania | 1916 | sanborn07575_006 p13 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3557.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T10:09:48Z","modified":"2026-09-23T10:09:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0013__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0013/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"830.3,6958.7 830.2,7176.1 2934.9,7206.2 2871.6,2997.6 3557.6,2458.8 3108.4,1681.6 3071.6,0.0 0.0,0.0 -0.0,1473.9 769.3,1468.9 634.5,4582.6 211.9,4684.0 198.0,6956.0 830.3,6958.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0013__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[220.1,6152.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6586829,39.9441217]}},{"type":"Feature","properties":{"resourceCoords":[2841.3,6152.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6575887,39.9450926]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0014__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chambersburg, Pennsylvania | 1916 | sanborn07575_006 p14 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"12"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T10:09:48Z","modified":"2026-09-23T10:09:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0014__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0014/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1553.2,0.0 1582.0,868.8 0.0,928.8 -0.0,7652.0 1544.8,7652.0 1535.4,7227.5 4832.4,7178.0 4842.9,7652.0 5220.0,7652.0 6452.0,7652.0 6430.3,587.5 5212.1,652.0 5183.8,-0.0 1553.2,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0014__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6356.0,1800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.646259,39.9471016]}},{"type":"Feature","properties":{"resourceCoords":[2004.0,4124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6521037,39.9482862]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0015__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chambersburg, Pennsylvania | 1916 | sanborn07575_006 p15 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3701.6"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2750.4"},{"label":"split_canvas_h","value":"2649.2"}],"created":"2026-09-23T10:09:48Z","modified":"2026-09-23T10:09:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0015__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0015/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4046.7,2058.5 4149.6,2612.8 4619.7,2620.2 5150.7,2056.7 5222.4,2124.4 4978.5,1231.3 6452.0,341.7 6452.0,-0.0 3710.0,0.0 3701.6,-0.0 3795.2,667.3 4607.2,1459.0 4365.0,1637.1 4046.7,2058.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0015__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5224.7,1080.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6626023,39.943569]}},{"type":"Feature","properties":{"resourceCoords":[6344.1,392.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6619181,39.9447186]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0016__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chambersburg, Pennsylvania | 1916 | sanborn07575_006 p16 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2664.0"},{"label":"split_canvas_h","value":"1481.6"}],"created":"2026-09-23T10:09:48Z","modified":"2026-09-23T10:09:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0016__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0016/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 -0.0,1481.6 2489.1,1480.1 2536.4,176.7 249.1,126.8 253.0,0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0016__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1980.0,1029.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.668124,39.9359998]}},{"type":"Feature","properties":{"resourceCoords":[1980.0,168.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6679916,39.9367245]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0016__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chambersburg, Pennsylvania | 1916 | sanborn07575_006 p16 [2]","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"25"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T10:09:48Z","modified":"2026-09-23T10:09:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0016__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0016/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 1269.7,7652.0 1258.1,7374.7 1493.9,7364.8 1495.2,7482.9 3628.9,7439.8 3623.7,6533.9 5133.0,6515.6 5124.3,6259.7 6202.1,6253.6 6193.9,5630.2 6308.0,5628.0 6329.1,3656.0 6452.0,3654.7 6452.0,3061.6 5041.2,3064.4 4316.4,2198.8 3652.0,0.0 2664.0,0.0 2660.4,1480.0 0.0,1481.6 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0016__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3024.0,4772.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6675173,39.9391448]}},{"type":"Feature","properties":{"resourceCoords":[6308.0,5628.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6638579,39.9378369]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chambersburg, Pennsylvania | 1916 | sanborn07575_006 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T10:09:48Z","modified":"2026-09-23T10:09:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0017/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0017/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"115.3,7652.0 135.1,3828.0 1030.7,3827.7 1042.4,282.8 3595.1,223.7 3596.0,0.0 6135.7,0.0 5460.9,3478.2 6452.0,3796.0 6452.0,7652.0 1003.4,7652.0 1003.4,7652.0 115.3,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0017/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.65793470425663,39.93900097651454]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.6503725034163,39.9380206365684]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.65187819780239,39.93109516611442]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.65944039864272,39.932075506060556]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0018__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chambersburg, Pennsylvania | 1916 | sanborn07575_006 p18 [1]","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"21"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T10:09:48Z","modified":"2026-09-23T10:09:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0018__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0018/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 6452.0,2774.0 4088.8,2502.0 4218.4,0.0 -0.0,-0.0 -0.0,895.5 154.6,861.4 253.8,4358.7 1475.5,4477.4 1317.8,4521.7 1959.4,7652.0 2549.7,7652.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0018__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3740.0,5812.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6489644,39.9325599]}},{"type":"Feature","properties":{"resourceCoords":[1656.0,6228.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6514939,39.9329262]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0019__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chambersburg, Pennsylvania | 1916 | sanborn07575_006 p19 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4447.2"},{"label":"split_canvas_w","value":"2269.2"},{"label":"split_canvas_h","value":"3204.8"}],"created":"2026-09-23T10:09:48Z","modified":"2026-09-23T10:09:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0019__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0019/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,7365.7 1245.3,7353.8 1214.1,7652.0 1316.0,7652.0 2060.0,7652.0 2269.2,7652.0 2264.0,4455.2 0.0,4447.2 0.0,7365.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0019__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[316.2,6221.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6451476,39.9492373]}},{"type":"Feature","properties":{"resourceCoords":[316.2,5086.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.644263,39.9500334]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0019__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chambersburg, Pennsylvania | 1916 | sanborn07575_006 p19 [2]","metadata":[{"label":"streets","value":"13"},{"label":"intersections","value":"20"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T10:09:48Z","modified":"2026-09-23T10:09:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0019__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0019/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7652.0 6452.0,500.0 5978.5,496.7 5978.7,219.1 1662.2,188.7 1659.0,356.3 655.8,346.2 660.3,0.0 -0.0,-0.0 0.0,4447.2 2264.0,4455.2 2269.2,7652.0 6452.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0019__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4220.0,5980.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6624356,39.9273432]}},{"type":"Feature","properties":{"resourceCoords":[3356.0,1148.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.662532,39.9318525]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chambersburg, Pennsylvania | 1916 | sanborn07575_006 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T10:09:48Z","modified":"2026-09-23T10:09:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0002/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"706.2,7652.0 -0.0,7652.0 -0.0,3870.0 225.3,3868.0 310.2,0.0 1512.7,0.0 1513.8,410.3 6311.7,387.8 6329.5,7295.0 4850.3,7306.8 4849.2,7652.0 4727.3,7652.0 4727.4,7307.6 1443.3,7333.5 706.2,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.66359948316683,39.939627737708896]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.65976897079409,39.93912259579758]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.66054484441568,39.93561475002233]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.66437535678843,39.93611989193365]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chambersburg, Pennsylvania | 1916 | sanborn07575_006 p20","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-23T10:09:48Z","modified":"2026-09-23T10:09:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0020/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0020/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7652.0 -0.0,616.6 6452.0,540.7 6452.0,7652.0 -0.0,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3208.0,932.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6628015,39.9256628]}},{"type":"Feature","properties":{"resourceCoords":[4900.0,932.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6617719,39.9255254]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chambersburg, Pennsylvania | 1916 | sanborn07575_006 p3","metadata":[{"label":"streets","value":"11"},{"label":"intersections","value":"16"}],"created":"2026-09-23T10:09:48Z","modified":"2026-09-23T10:09:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0003/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"628.3,7255.9 570.1,293.1 5821.8,183.8 5859.5,7235.3 628.3,7255.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4056.0,2056.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6580096,39.9378769]}},{"type":"Feature","properties":{"resourceCoords":[5832.0,3788.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6571375,39.9369484]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chambersburg, Pennsylvania | 1916 | sanborn07575_006 p4","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"8"}],"created":"2026-09-23T10:09:48Z","modified":"2026-09-23T10:09:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0004/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4292.4,7652.0 -0.0,7652.0 -0.0,518.9 2948.0,500.0 2933.8,0.0 5039.2,0.0 5058.4,2547.6 5756.8,2543.9 4434.9,3531.2 3372.0,3860.7 4276.9,4087.5 4292.4,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2948.0,500.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6654232,39.9372336]}},{"type":"Feature","properties":{"resourceCoords":[4284.0,5700.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6651751,39.9347334]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chambersburg, Pennsylvania | 1916 | sanborn07575_006 p5","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T10:09:48Z","modified":"2026-09-23T10:09:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0005/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0005/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"949.6,7652.0 953.4,6973.3 -0.0,6982.8 -0.0,5787.7 956.9,5792.4 967.6,2240.8 61.6,2010.4 1130.1,1687.4 2864.8,450.3 3194.2,394.2 6290.1,369.5 6298.7,7268.3 2933.0,7323.5 2929.3,7652.0 949.6,7652.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0005/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.66535748943285,39.93658753132341]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.66149620139196,39.93607756641986]}},{"type":"Feature","properties":{"resourceCoords":[6452.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.6622794462689,39.93254137203084]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.66614073430979,39.93305133693439]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chambersburg, Pennsylvania | 1916 | sanborn07575_006 p6 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"857.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T10:09:48Z","modified":"2026-09-23T10:09:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0006__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"731.3,366.6 723.6,545.6 625.7,7325.3 835.4,7328.2 856.4,550.0 856.8,367.3 731.3,366.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0006__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":[-77.66203146428504,39.936139683016144]}},{"type":"Feature","properties":{"resourceCoords":[857.6,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.66152229481473,39.936079051844175]}},{"type":"Feature","properties":{"resourceCoords":[857.6,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.66222418728988,39.93256433675827]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7652.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.66273335676019,39.93262496793024]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0006__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chambersburg, Pennsylvania | 1916 | sanborn07575_006 p6 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"834.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"5617.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T10:09:48Z","modified":"2026-09-23T10:09:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0006__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0006/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5826.0,7447.9 5824.3,324.0 856.9,337.3 856.4,550.0 835.1,7420.1 5826.0,7447.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0006__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2329.8,324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6605814,39.935788]}},{"type":"Feature","properties":{"resourceCoords":[5824.3,324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6585296,39.9355159]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chambersburg, Pennsylvania | 1916 | sanborn07575_006 p7 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T10:09:48Z","modified":"2026-09-23T10:09:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0007__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6188.3,1170.3 4435.1,1097.5 4445.3,834.9 3658.8,2111.6 1981.2,1088.2 1970.0,2787.2 0.0,2786.8 -0.0,7226.3 6248.0,7228.0 6188.3,1170.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2904.0,7228.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6609467,39.9390907]}},{"type":"Feature","properties":{"resourceCoords":[6248.0,7228.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6588788,39.9388263]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chambersburg, Pennsylvania | 1916 | sanborn07575_006 p7 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1988.4"},{"label":"split_canvas_h","value":"2787.2"}],"created":"2026-09-23T10:09:48Z","modified":"2026-09-23T10:09:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0007__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0007/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1707.1,0.0 1426.9,0.0 0.0,2517.1 0.0,2786.8 1820.3,2787.2 1707.1,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.65902338800329,39.94315261472953]}},{"type":"Feature","properties":{"resourceCoords":[1988.4,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.65784468853596,39.9429630650805]}},{"type":"Feature","properties":{"resourceCoords":[1988.4,2787.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.6581889693466,39.941686726098304]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2787.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.65936766881393,39.94187627574733]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chambersburg, Pennsylvania | 1916 | sanborn07575_006 p8","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-23T10:09:48Z","modified":"2026-09-23T10:09:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0008/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0008/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5861.9,6596.6 3973.0,6764.1 712.0,6808.0 566.7,1355.4 5796.0,1272.0 5861.9,6596.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0008/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[712.0,6808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6588788,39.9388263]}},{"type":"Feature","properties":{"resourceCoords":[5796.0,1272.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6551903,39.9409596]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0009__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Chambersburg, Pennsylvania | 1916 | sanborn07575_006 p9 [5]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"2859.2"},{"label":"split_canvas_y","value":"1487.6"},{"label":"split_canvas_w","value":"3592.8"},{"label":"split_canvas_h","value":"6164.4"}],"created":"2026-09-23T10:09:48Z","modified":"2026-09-23T10:09:48Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0009__5/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0009/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3194.9,7296.2 6452.0,7242.7 6452.0,2192.4 3194.9,1963.3 3194.9,7296.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd382m:g3824m:g3824cm:g3824cm_g075751916:07575_1916-0009__5/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3194.9,1963.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6551903,39.9409596]}},{"type":"Feature","properties":{"resourceCoords":[3194.9,7296.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.6557418,39.9384858]}}]}}]}