{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn04577_005.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Boonville, Missouri | 1917 | 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":"18"},{"label":"placed","value":"11"},{"label":"unplaced","value":"7"},{"label":"fit sources","value":"georef 10, georef-snap 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 15 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 38.96627,-92.73190 +/-100m); p1__2 (tier 1, 38.96742,-92.73487 +/-137m); p2__1 (tier 2, 38.97499,-92.74329 +/-546m); p4__2 (tier 1, 38.97699,-92.74295 +/-100m); p5__3 (tier 1, 38.97791,-92.73873 +/-100m); p8__3 (tier 1, 38.97562,-92.73970 +/-110m); p9__2 (tier 4, 38.97510,-92.74331 +/-572m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boonville, Missouri | 1917 | sanborn04577_005 p2 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"3670.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2781.6"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T08:02:35Z","modified":"2026-09-23T08:02:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"954.6,607.2 954.6,1710.5 1613.0,1711.0 1601.7,604.4 954.6,607.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[954.6,1710.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.7413873,38.9728491]}},{"type":"Feature","properties":{"resourceCoords":[954.6,146.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.7422469,38.9757625]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boonville, Missouri | 1917 | sanborn04577_005 p3","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-23T08:02:35Z","modified":"2026-09-23T08:02:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1444.0,220.5 1448.1,1815.5 144.6,1806.5 145.3,1711.5 -0.0,1710.8 -0.0,0.0 1613.0,0.0 1613.0,129.8 1490.2,134.3 1444.0,220.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[807.0,1231.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.7471797,38.9759702]}},{"type":"Feature","properties":{"resourceCoords":[1453.0,1231.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.7456484,38.9762499]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boonville, Missouri | 1917 | sanborn04577_005 p4 [1]","metadata":[{"label":"streets","value":"7"},{"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":"2026-09-23T08:02:35Z","modified":"2026-09-23T08:02:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"757.5,1791.8 757.5,1736.4 759.0,1736.4 806.2,1736.5 806.4,1219.5 861.8,1219.7 860.5,1165.8 1396.5,1165.8 1414.8,0.0 1352.8,0.0 1253.0,0.0 319.0,0.0 318.9,128.5 196.9,132.8 151.1,218.4 153.6,1802.5 757.5,1791.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[159.0,1222.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.7456484,38.9762499]}},{"type":"Feature","properties":{"resourceCoords":[1454.0,1222.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.7425582,38.9768167]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boonville, Missouri | 1917 | sanborn04577_005 p5 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"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":"2026-09-23T08:02:35Z","modified":"2026-09-23T08:02:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1315.3 1358.5,1318.7 1357.2,709.4 1086.4,708.9 1086.3,0.0 0.0,-0.0 -0.0,1267.7 58.3,1267.0 64.0,1836.0 1193.3,1821.2 1193.7,1380.0 1613.0,1376.6 1613.0,1315.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[709.0,1260.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.7410083,38.9770948]}},{"type":"Feature","properties":{"resourceCoords":[64.0,1836.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.7422469,38.9757625]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0005__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boonville, Missouri | 1917 | sanborn04577_005 p5 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"4345.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2106.8"},{"label":"split_canvas_h","value":"2839.2"}],"created":"2026-09-23T08:02:35Z","modified":"2026-09-23T08:02:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0005__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,-0.0 1131.6,-0.0 1124.3,709.0 1613.0,709.8 1613.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0005__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1086.3,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.7399112247128,38.978552162126]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.7386545383379,38.97877987953124]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,709.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.73826046043507,38.97746181547575]}},{"type":"Feature","properties":{"resourceCoords":[1086.3,709.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.73951714680997,38.97723409807051]}},{"type":"Feature","properties":{"resourceCoords":[1125.3,639.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.739463,38.9773809]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boonville, Missouri | 1917 | sanborn04577_005 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T08:02:35Z","modified":"2026-09-23T08:02:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1567.8,1833.7 904.7,1847.6 905.6,1913.0 -0.0,1913.0 0.0,0.0 240.9,0.0 241.0,95.0 1552.8,97.5 1567.8,1833.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0006/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.74904870119937,38.97469669894675]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.74524505098967,38.975376052524375]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.74421595445968,38.97184420838455]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.74801960466938,38.97116485480693]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boonville, Missouri | 1917 | sanborn04577_005 p7","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-23T08:02:35Z","modified":"2026-09-23T08:02:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1468.4,92.8 1470.0,1664.0 827.3,1674.7 826.1,1838.2 180.8,1842.8 169.0,115.3 1468.4,92.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[171.0,573.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.7450804,38.9743225]}},{"type":"Feature","properties":{"resourceCoords":[1470.0,1664.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.7413873,38.9728491]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boonville, Missouri | 1917 | sanborn04577_005 p8 [1]","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"13"},{"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":"4644.4"}],"created":"2026-09-23T08:02:35Z","modified":"2026-09-23T08:02:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,0.0 1470.6,0.0 1467.0,32.0 800.0,33.8 799.0,117.8 130.3,124.1 130.6,157.5 -0.0,157.0 -0.0,1161.1 703.4,1158.8 1034.8,1157.6 1034.8,1159.4 1215.9,1157.0 1217.2,678.4 1613.0,677.7 1613.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[467.0,868.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.7435535,38.9692711]}},{"type":"Feature","properties":{"resourceCoords":[1467.0,32.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.7398238,38.9731248]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0008__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boonville, Missouri | 1917 | sanborn04577_005 p8 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"4120.0"},{"label":"split_canvas_y","value":"2710.8"},{"label":"split_canvas_w","value":"2332.0"},{"label":"split_canvas_h","value":"4941.2"}],"created":"2026-09-23T08:02:35Z","modified":"2026-09-23T08:02:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0008__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,677.7 1217.2,678.4 1215.9,1157.0 1034.8,1159.4 1030.0,1913.0 1613.0,1913.0 1613.0,741.8 1613.0,677.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0008__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1030.0,677.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.75054259408937,38.9743838825044]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,677.7],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.74914412950126,38.974615773700464]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.74851371236832,38.972311580058026]}},{"type":"Feature","properties":{"resourceCoords":[1030.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.74991217695643,38.97207968886196]}},{"type":"Feature","properties":{"resourceCoords":[1256.6,738.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.7499679,38.9743603]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0008__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boonville, Missouri | 1917 | sanborn04577_005 p8 [4]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"2813.6"},{"label":"split_canvas_y","value":"4630.4"},{"label":"split_canvas_w","value":"1325.6"},{"label":"split_canvas_h","value":"3021.6"}],"created":"2026-09-23T08:02:35Z","modified":"2026-09-23T08:02:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0008__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1030.0,1913.0 1034.6,1191.8 703.6,1203.3 703.6,1211.8 725.0,1913.0 1030.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0008__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[703.4,1157.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.7407063618389,38.976123426204566]}},{"type":"Feature","properties":{"resourceCoords":[1034.8,1157.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.73990830179737,38.97624359764927]}},{"type":"Feature","properties":{"resourceCoords":[1034.8,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.73955680358766,38.974828842918086]}},{"type":"Feature","properties":{"resourceCoords":[703.4,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.7403548636292,38.97470867147338]}},{"type":"Feature","properties":{"resourceCoords":[696.4,1203.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.7407012,38.9760349]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Boonville, Missouri | 1917 | sanborn04577_005 p9 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"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":"2026-09-23T08:02:35Z","modified":"2026-09-23T08:02:35Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,513.3 1613.0,-0.0 851.7,-0.0 266.6,1144.6 258.0,1793.0 829.5,1798.2 1296.3,1159.8 1613.0,513.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd416m:g4164m:g4164bm:g4164bm_g045771917:04577_1917-0009__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":[-92.7399921807312,38.977830333826056]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.73905068728236,38.97484451795095]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.74359932919421,38.97397523776258]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.74454082264306,38.97696105363769]}},{"type":"Feature","properties":{"resourceCoords":[258.0,1793.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.7441049,38.976538]}}]}}]}