{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn02346_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Gas City, Indiana | 1911 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"19"},{"label":"placed","value":"7"},{"label":"unplaced","value":"12"},{"label":"fit sources","value":"georef-snap 4, georef 2, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"5 sheet(s) cut into 14 panels"},{"label":"unplaced pages","value":"p10__1 (tier 1, 40.47976,-85.61089 +/-107m); p10__3 (tier 3, 40.48113,-85.61383 +/-343m); p1__1 (tier 1, 40.49011,-85.61948 +/-197m); p1__2 (tier 1, 40.48998,-85.61955 +/-100m); p1__3 (tier 3, 40.48840,-85.61562 +/-1358m); p2__2 (tier 1, 40.49121,-85.61320 +/-205m); p3__1 (tier 1, 40.49517,-85.61907 +/-100m); p3__2 (tier 2, 40.48787,-85.61757 +/-100m); p3__3 (tier 1, 40.48795,-85.61955 +/-209m); p8__1 (tier 1, 40.48194,-85.61485 +/-255m); p8__2 (tier 1, 40.47996,-85.61897 +/-100m); p8__3 (tier 1, 40.48186,-85.61334 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0010__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gas City, Indiana | 1911 | sanborn02346_004 p10 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"3447.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3004.8"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T10:44:55Z","modified":"2026-09-22T10:44:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0010__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,-0.0 869.7,0.0 869.7,2.2 901.8,11.2 898.1,757.5 926.1,860.9 897.2,920.0 892.8,1796.8 927.6,1796.6 928.4,1894.8 861.8,1913.0 1613.0,1913.0 1613.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0010__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[861.8,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6086239884807,40.481281914218044]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.60863261714775,40.47988199352887]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61328177825835,40.47989880736482]}},{"type":"Feature","properties":{"resourceCoords":[861.8,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61327314959131,40.48129872805399]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gas City, Indiana | 1911 | sanborn02346_004 p2 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4272.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-22T10:44:55Z","modified":"2026-09-22T10:44:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 -0.0,1913.0 1068.0,1913.0 1063.6,0.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1039.0,1877.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6177314,40.4916742]}},{"type":"Feature","properties":{"resourceCoords":[1039.0,15.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6131372,40.4916976]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gas City, Indiana | 1911 | sanborn02346_004 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:44:55Z","modified":"2026-09-22T10:44:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 -0.0,0.0 1577.3,-0.0 1567.3,1581.9 1613.0,1582.1 1613.0,1913.0 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61309243199946,40.48990364054807]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61304048822794,40.4868774587957]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61772647509696,40.48683027546163]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61777841886848,40.489856457213996]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gas City, Indiana | 1911 | sanborn02346_004 p5","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"}],"created":"2026-09-22T10:44:55Z","modified":"2026-09-22T10:44:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 1522.5,-0.0 1523.4,85.0 1557.2,84.2 1565.9,1782.9 -0.0,1824.1 -0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1055.0,1808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6130963,40.4878896]}},{"type":"Feature","properties":{"resourceCoords":[1055.0,97.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6089335,40.4878733]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gas City, Indiana | 1911 | sanborn02346_004 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:44:55Z","modified":"2026-09-22T10:44:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1593.3,1913.0 -0.0,1913.0 -0.0,47.6 1593.8,52.2 1593.3,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61691806335706,40.48701238081862]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61301697374105,40.48704153764457]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61297182700227,40.48349780464679]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61687291661828,40.483468647820835]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gas City, Indiana | 1911 | sanborn02346_004 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:44:55Z","modified":"2026-09-22T10:44:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1572.1,73.6 1569.8,1817.3 23.1,1817.3 33.8,93.6 -0.0,94.1 -0.0,0.0 1573.1,-0.0 1572.1,73.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.608683531745,40.48700796511062]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.60865928184134,40.48403095960889]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61326892747876,40.48400893119035]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61329317738242,40.486985936692086]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gas City, Indiana | 1911 | sanborn02346_004 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-22T10:44:55Z","modified":"2026-09-22T10:44:55Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 346.6,1913.0 346.1,1820.4 22.9,1827.4 21.6,-0.0 1602.1,-0.0 1577.7,1813.2 1613.0,1813.2 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd409m:g4094m:g4094gm:g4094gm_g023461911:02346_1911-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.60866602064127,40.484144240206334]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.60865165249194,40.48118749881604]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61322971482029,40.48117444631677]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61324408296962,40.484131187707064]}}]}}]}