{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn04321_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Lake City, Minnesota | 1921 | 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":"24"},{"label":"placed","value":"15"},{"label":"unplaced","value":"9"},{"label":"fit sources","value":"georef 7, georef-snap 6, snap:0 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"6 sheet(s) cut into 16 panels"},{"label":"unplaced pages","value":"p10__2 (tier 1, 44.44380,-92.26057 +/-116m); p13__1 (tier 1, 44.44305,-92.26591 +/-121m); p14__1 (tier 3, 44.44511,-92.28179 +/-608m); p14__2 (tier 1, 44.44381,-92.28254 +/-223m); p14__3 (tier 3, 44.44511,-92.28179 +/-608m); p5__2 (tier 1, 44.44729,-92.26505 +/-116m); p5__3 (tier 1, 44.44762,-92.26310 +/-100m); p6__1 (tier 1, 44.44902,-92.27510 +/-100m); p6__3 (tier 1, 44.45113,-92.27479 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0010__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lake City, Minnesota | 1921 | sanborn04321_006 p10 [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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T11:23:02Z","modified":"2026-09-23T11:23:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0010__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1247.0,1913.0 1426.0,1913.0 1613.0,1913.0 1613.0,312.2 751.9,305.0 611.7,0.0 0.0,-0.0 65.5,1803.4 279.4,1802.2 281.8,1913.0 1247.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0010__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[587.0,715.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.2610284,44.4432619]}},{"type":"Feature","properties":{"resourceCoords":[587.0,1267.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.2620236,44.4424775]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lake City, Minnesota | 1921 | sanborn04321_006 p11","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T11:23:02Z","modified":"2026-09-23T11:23:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"40.6,1417.8 -0.0,1414.0 0.0,0.0 1584.3,0.0 1587.5,393.1 1613.0,392.7 1613.0,422.4 1587.7,422.5 1599.5,1872.2 54.0,1881.2 40.6,1417.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0011/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.27732945144288,44.446475042231555]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.27434070709909,44.44889425858775]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.27034985259053,44.44634591027868]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.27333859693432,44.443926693922485]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lake City, Minnesota | 1921 | sanborn04321_006 p12","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"}],"created":"2026-09-23T11:23:02Z","modified":"2026-09-23T11:23:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"114.2,1673.6 105.7,1179.6 575.0,1167.9 558.4,177.9 1554.3,155.7 1600.2,1913.0 1095.4,1913.0 1090.2,1651.1 114.2,1673.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1062.0,670.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.270319,44.444913]}},{"type":"Feature","properties":{"resourceCoords":[1561.0,670.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.269347,44.445675]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0013__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lake City, Minnesota | 1921 | sanborn04321_006 p13 [2]","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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T11:23:02Z","modified":"2026-09-23T11:23:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0013__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,960.6 722.1,962.1 720.9,1913.0 1550.9,1913.0 1562.2,354.1 995.1,340.2 996.5,45.9 -0.0,44.0 0.0,960.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0013__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1554.0,1147.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.2650828,44.4430409]}},{"type":"Feature","properties":{"resourceCoords":[1554.0,1698.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.2640111,44.4423776]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lake City, Minnesota | 1921 | sanborn04321_006 p1 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5946.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"1706.0"}],"created":"2026-09-23T11:23:02Z","modified":"2026-09-23T11:23:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1913.0 1613.0,1486.5 965.5,1486.5 41.7,1486.5 42.0,1524.4 0.0,1524.2 -0.0,1913.0 1613.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[42.0,1524.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.271162,44.442686]}},{"type":"Feature","properties":{"resourceCoords":[1555.0,1524.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.26795,44.440669]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lake City, Minnesota | 1921 | sanborn04321_006 p1 [2]","metadata":[{"label":"streets","value":"4"},{"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":"5946.0"}],"created":"2026-09-23T11:23:02Z","modified":"2026-09-23T11:23:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"965.5,1486.5 1613.0,1486.5 1549.1,514.1 481.6,520.8 -0.0,1077.9 -0.0,1486.5 965.5,1486.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[487.0,1060.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.2733048,44.4440501]}},{"type":"Feature","properties":{"resourceCoords":[1557.0,1060.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.271162,44.442686]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lake City, Minnesota | 1921 | sanborn04321_006 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T11:23:02Z","modified":"2026-09-23T11:23:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"27.9,1807.7 0.0,0.0 1613.0,0.0 1613.0,1816.8 27.9,1807.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.27886712171768,44.452929807258855]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.27601098800322,44.45530360756815]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.27209466580643,44.45286857087997]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.2749507995209,44.45049477057068]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lake City, Minnesota | 1921 | sanborn04321_006 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T11:23:02Z","modified":"2026-09-23T11:23:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"23.9,75.7 550.4,65.2 549.8,0.0 1613.0,0.0 1613.0,1812.9 1552.0,1813.5 1557.6,1857.3 38.4,1849.6 43.0,1373.0 -0.0,1373.0 -0.0,1306.3 43.6,1306.5 23.9,75.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.27336730883894,44.452297390683235]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.27058878035162,44.45456692342289]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.26684452150499,44.45219802386626]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.26962304999232,44.449928491126606]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lake City, Minnesota | 1921 | sanborn04321_006 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T11:23:02Z","modified":"2026-09-23T11:23:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1866.8 21.4,1865.9 42.9,382.6 -0.0,387.7 -0.0,0.0 1613.0,-0.0 1613.0,1866.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.26646780037018,44.45279866607168]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.26320812573458,44.4507748403486]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.26654691430431,44.44799564130329]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.26980658893991,44.450019467026365]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lake City, Minnesota | 1921 | sanborn04321_006 p5 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"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":"2026-09-23T11:23:02Z","modified":"2026-09-23T11:23:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1053.8,1859.2 1050.6,1913.0 1067.0,1860.0 1613.0,1888.1 1613.0,1085.8 1002.4,1086.1 1000.8,633.1 851.7,631.5 851.5,550.7 850.3,0.0 112.5,-0.0 31.9,1797.8 1053.8,1859.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1067.0,1860.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.264344,44.4467245]}},{"type":"Feature","properties":{"resourceCoords":[571.0,696.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.2634514,44.4491073]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0006__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lake City, Minnesota | 1921 | sanborn04321_006 p6 [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":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T11:23:02Z","modified":"2026-09-23T11:23:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0006__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1913.0 1194.0,1913.0 1196.0,1783.5 1613.0,1786.2 1596.9,118.0 376.6,125.2 367.2,732.8 367.3,751.8 368.3,1297.2 0.0,1298.8 -0.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0006__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":[-92.27371301800659,44.45288163829834]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.27050017414474,44.450890127171945]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.27378564524648,44.4481508504245]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.27699848910832,44.45014236155089]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0006__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lake City, Minnesota | 1921 | sanborn04321_006 p6 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3007.2"},{"label":"split_canvas_w","value":"1473.2"},{"label":"split_canvas_h","value":"2188.0"}],"created":"2026-09-23T11:23:02Z","modified":"2026-09-23T11:23:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0006__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1287.1 368.3,1286.2 367.4,784.0 -0.0,781.6 -0.0,1287.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0006__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,751.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.27313858819576,44.44884798027561]}},{"type":"Feature","properties":{"resourceCoords":[368.3,751.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.27245704168485,44.449400619995764]}},{"type":"Feature","properties":{"resourceCoords":[368.3,1298.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.27131229565076,44.44867100470542]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1298.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.27199384216166,44.44811836498526]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lake City, Minnesota | 1921 | sanborn04321_006 p7","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-23T11:23:02Z","modified":"2026-09-23T11:23:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"484.1,1476.9 484.2,1082.7 -0.0,1078.0 -0.0,104.7 1551.0,104.0 1551.0,1791.0 -0.0,1787.3 -0.0,1472.3 484.1,1476.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1551.0,104.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.2675523,44.4487502]}},{"type":"Feature","properties":{"resourceCoords":[1551.0,1791.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.27046,44.44638]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lake City, Minnesota | 1921 | sanborn04321_006 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T11:23:02Z","modified":"2026-09-23T11:23:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0008/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1765.4 25.8,1792.3 20.3,138.6 1613.0,129.8 1613.0,1765.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.26734799588507,44.4489739747864]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.26414185866551,44.44692718439647]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.26751831101966,44.44419345165293]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.27072444823922,44.446240242042855]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Lake City, Minnesota | 1921 | sanborn04321_006 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T11:23:02Z","modified":"2026-09-23T11:23:02Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,137.3 1613.0,1803.2 -0.0,1798.7 29.1,152.8 1613.0,137.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd414m:g4144m:g4144lm:g043211921:04321_1921-0009/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.2641385090734,44.44698023758245]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.2609144651279,44.44497855248095]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.26421638970433,44.442229451035885]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.26744043364985,44.44423113613739]}}]}}]}