{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn03415_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Welsh, Louisiana | 1915 | 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":"12"},{"label":"placed","value":"8"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 8"},{"label":"key map","value":"none"},{"label":"split sheets","value":"4 sheet(s) cut into 12 panels"},{"label":"unplaced pages","value":"p1__1 (tier 2, 30.23512,-92.82164 +/-100m); p1__2 (tier 2, 30.23512,-92.82164 +/-100m); p2__3 (tier 2, 30.23570,-92.82264 +/-100m); p3__2 (tier 2, 30.23653,-92.82513 +/-162m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Welsh, Louisiana | 1915 | sanborn03415_003 p1 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3168.8"},{"label":"split_canvas_w","value":"2503.2"},{"label":"split_canvas_h","value":"4483.2"}],"created":"2026-09-23T16:26:29Z","modified":"2026-09-23T16:26:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,922.0 68.0,925.2 46.8,1913.0 619.4,1913.0 625.8,792.2 0.0,792.4 -0.0,922.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[68.0,925.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.820656,30.237409]}},{"type":"Feature","properties":{"resourceCoords":[501.9,1858.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.819668,30.235682]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0001__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Welsh, Louisiana | 1915 | sanborn03415_003 p1 [4]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"2477.6"},{"label":"split_canvas_y","value":"3168.0"},{"label":"split_canvas_w","value":"3974.4"},{"label":"split_canvas_h","value":"4484.0"}],"created":"2026-09-23T16:26:29Z","modified":"2026-09-23T16:26:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0001__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1558.0,1859.0 1569.2,1404.7 1613.0,1405.1 1613.0,792.0 914.0,792.2 727.1,792.2 629.4,792.2 625.8,792.2 619.4,1913.0 629.9,1913.0 1613.0,1913.0 1609.2,1860.5 1558.0,1859.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0001__4/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1100.2,1859.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.827622,30.235707]}},{"type":"Feature","properties":{"resourceCoords":[1558.0,1859.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.826639,30.235714]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Welsh, Louisiana | 1915 | sanborn03415_003 p2 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"18"},{"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":"2026-09-23T16:26:29Z","modified":"2026-09-23T16:26:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1046.9,1913.0 1513.0,1913.0 1484.5,907.8 1415.7,907.9 1409.2,777.0 1613.0,766.8 1613.0,551.7 1307.4,553.5 1298.3,321.6 1287.6,0.0 76.8,0.0 89.2,641.0 -0.0,642.8 -0.0,932.3 95.0,930.0 117.5,1843.5 1044.5,1842.9 1046.9,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1030.0,912.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.8216309,30.2374223]}},{"type":"Feature","properties":{"resourceCoords":[118.0,1862.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.82364,30.235708]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Welsh, Louisiana | 1915 | sanborn03415_003 p2 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"5150.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"1301.6"},{"label":"split_canvas_h","value":"1286.4"}],"created":"2026-09-23T16:26:29Z","modified":"2026-09-23T16:26:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,0.0 1287.6,-0.0 1298.3,321.6 1613.0,314.0 1613.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1287.6,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.82173576750041,30.24017293313119]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.82102921075641,30.24017301280999]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,321.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.8210291196407,30.23957021301407]}},{"type":"Feature","properties":{"resourceCoords":[1287.6,321.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.8217356763847,30.23957013333527]}},{"type":"Feature","properties":{"resourceCoords":[1321.5,273.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.821662,30.23966]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Welsh, Louisiana | 1915 | sanborn03415_003 p3 [1]","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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T16:26:29Z","modified":"2026-09-23T16:26:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1514.3,1846.3 1501.8,919.3 1407.3,920.5 1410.5,632.6 1499.3,631.8 1494.2,0.0 385.9,0.0 384.9,322.7 0.0,323.2 -0.0,803.8 154.0,800.2 168.2,1410.7 124.6,1411.3 124.0,1864.0 1514.3,1846.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1038.0,636.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.824628,30.237976]}},{"type":"Feature","properties":{"resourceCoords":[124.0,1864.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.826639,30.235714]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Welsh, Louisiana | 1915 | sanborn03415_003 p4 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"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":"2026-09-23T16:26:29Z","modified":"2026-09-23T16:26:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"197.7,507.3 -0.0,510.2 0.0,1553.1 535.9,1552.6 534.9,1913.0 1071.7,1913.0 1077.0,1406.1 1613.0,1406.3 1613.0,501.7 1487.6,501.9 1483.9,191.1 1613.0,190.8 1613.0,113.0 1482.9,110.2 1482.1,41.6 1027.3,43.0 1026.9,0.0 195.3,40.4 197.7,507.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[576.0,506.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.823644,30.234824]}},{"type":"Feature","properties":{"resourceCoords":[576.0,40.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.82364,30.235708]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0004__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Welsh, Louisiana | 1915 | sanborn03415_003 p4 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"4286.8"},{"label":"split_canvas_y","value":"5624.4"},{"label":"split_canvas_w","value":"2165.2"},{"label":"split_canvas_h","value":"2027.6"}],"created":"2026-09-23T16:26:29Z","modified":"2026-09-23T16:26:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0004__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1426.0,1877.2 1613.0,1875.3 1613.0,1433.1 1076.7,1431.5 1071.7,1913.0 1425.8,1913.0 1426.0,1877.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0004__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1107.7,1434.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.825647,30.235707]}},{"type":"Feature","properties":{"resourceCoords":[1547.1,1434.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.824628,30.235708]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0004__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Welsh, Louisiana | 1915 | sanborn03415_003 p4 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"6210.4"},{"label":"split_canvas_w","value":"2143.6"},{"label":"split_canvas_h","value":"1441.6"}],"created":"2026-09-23T16:26:29Z","modified":"2026-09-23T16:26:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0004__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"534.9,1913.0 535.9,1552.6 66.9,1553.0 70.0,1850.1 190.1,1913.0 534.9,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014wm:g034151915:03415_1915-0004__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[499.9,1850.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.82066,30.234824]}},{"type":"Feature","properties":{"resourceCoords":[70.0,1850.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.821644,30.234826]}}]}}]}