{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn04287_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Duluth, Minnesota | 1909 | mapsnap generated fit (2026-09-21)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-21"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"105"},{"label":"placed","value":"83"},{"label":"unplaced","value":"22"},{"label":"fit sources","value":"georef 71, georef-snap 12"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"13 sheet(s) cut into 31 panels"},{"label":"unplaced pages","value":"p0__2 (tier 4, 46.80323,-92.07676 +/-6506m); p188__2 (tier 1, 46.78205,-92.10362 +/-100m); p188__3 (tier 2, 46.78953,-92.09681 +/-1584m); p193 (tier 1, 46.78463,-92.10014 +/-249m); p196__1 (tier 1, 46.80972,-92.07198 +/-177m); p196__2 (tier 1, 46.78135,-92.10582 +/-201m); p197__2 (tier 1, 46.82401,-92.10245 +/-100m); p197__3 (tier 2, 46.79533,-92.08812 +/-100m); p198__2 (tier 1, 46.79987,-92.08077 +/-114m); p198__3 (tier 1, 46.79337,-92.09175 +/-100m); p207__2 (tier 2, 46.79952,-92.07721 +/-265m); p211__1 (tier 2, 46.80150,-92.08482 +/-1424m); p212__1 (tier 1, 46.83469,-92.07120 +/-257m); p212__2 (tier 3, 46.83401,-92.07109 +/-576m); p212__3 (tier 1, 46.83418,-92.07109 +/-100m); p213 (tier 1, 46.79250,-92.10452 +/-254m); p215 (tier 2, 46.78369,-92.09523 +/-100m); p217__3 (tier 1, 46.76930,-92.08848 +/-126m); p224__1 (tier 1, 46.82522,-92.03695 +/-220m); p224__2 (tier 2, 46.82410,-92.03192 +/-100m); p229__2 (tier 1, 46.82608,-92.03250 +/-132m); p230__2 (tier 1, 46.77585,-92.09036 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0000__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p0 [1]","metadata":[{"label":"streets","value":"1"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0000__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0000/info.json","type":"ImageService2","height":7796,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3810.4,7796.0 3811.2,7253.6 3812.8,5944.0 5985.6,5940.0 6512.0,5939.2 6512.0,4246.0 6512.0,-0.0 0.0,0.0 0.0,5288.0 0.0,6396.0 0.0,7016.0 -0.0,7796.0 3810.4,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0000__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":[-92.08688020140038,46.808765628184126]}},{"type":"Feature","properties":{"resourceCoords":[6512.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.08537044430068,46.806021738582864]}},{"type":"Feature","properties":{"resourceCoords":[6512.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.09022108052729,46.80479771471738]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.09173083762698,46.807541604318644]}},{"type":"Feature","properties":{"resourceCoords":[2836.0,3044.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0881164,46.8070936]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0151/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p151","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0151/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0151/info.json","type":"ImageService2","height":7796,"width":6540},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6474.5,3025.6 6385.9,7005.1 -0.0,6934.5 -0.0,0.0 6540.0,0.0 6540.0,824.6 6186.3,819.9 6144.9,3032.0 6474.5,3025.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0151/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[752.0,7524.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1095398,46.7887933]}},{"type":"Feature","properties":{"resourceCoords":[6372.0,7524.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1071031,46.7906797]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0152/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p152","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"14"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0152/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0152/info.json","type":"ImageService2","height":7796,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"352.2,967.5 336.8,146.5 -0.0,152.8 0.0,-0.0 6512.0,0.0 6512.0,7575.5 792.9,7612.5 865.2,7125.5 313.9,7123.7 328.0,3160.0 -0.0,3172.5 -0.0,969.4 352.2,967.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0152/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[328.0,5404.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1081777,46.7913665]}},{"type":"Feature","properties":{"resourceCoords":[328.0,3160.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.109264,46.7920495]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0153/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p153","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"9"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0153/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0153/info.json","type":"ImageService2","height":7796,"width":6540},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6540.0,0.0 6540.0,7625.8 909.1,7586.0 1069.0,85.2 6540.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0153/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3316.0,7568.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1033311,46.7935815]}},{"type":"Feature","properties":{"resourceCoords":[488.0,936.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1078743,46.7946067]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0154/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p154","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0154/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0154/info.json","type":"ImageService2","height":7796,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5568.2,0.0 5563.4,1128.9 6047.0,1131.0 6011.0,7709.6 734.9,7722.7 704.2,0.0 5568.2,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0154/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3216.0,5408.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1019441,46.7961694]}},{"type":"Feature","properties":{"resourceCoords":[6048.0,948.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1028889,46.7984233]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0155/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p155","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0155/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0155/info.json","type":"ImageService2","height":7796,"width":6540},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"504.9,925.0 6147.8,901.1 6135.1,3112.5 5816.2,3116.7 5782.0,7530.4 508.0,7544.0 504.9,925.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0155/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3336.0,920.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1016386,46.79938]}},{"type":"Feature","properties":{"resourceCoords":[508.0,7544.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.099625,46.7964195]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0156/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p156","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0156/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0156/info.json","type":"ImageService2","height":7796,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6036.6,7591.3 -0.0,7609.9 -0.0,3172.8 320.3,3168.4 327.4,0.0 5945.7,0.0 6036.6,7591.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0156/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.10100316569454,46.80051562518187]}},{"type":"Feature","properties":{"resourceCoords":[6512.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.0981325091078,46.802701388194656]}},{"type":"Feature","properties":{"resourceCoords":[6512.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.0943366773781,46.80033223993501]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.09720733396483,46.79814647692223]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0157/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p157","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"12"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0157/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0157/info.json","type":"ImageService2","height":7796,"width":6540},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"452.6,7618.6 470.1,0.0 6182.8,0.0 6141.5,7687.8 452.6,7618.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0157/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3336.0,3208.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0955584,46.8025203]}},{"type":"Feature","properties":{"resourceCoords":[480.0,964.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0979056,46.8022282]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0158/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p158","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0158/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0158/info.json","type":"ImageService2","height":7796,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"353.8,7641.1 432.8,0.0 6512.0,0.0 6512.0,7677.3 353.8,7641.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0158/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6080.0,5440.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0907292,46.804738]}},{"type":"Feature","properties":{"resourceCoords":[3240.0,980.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0941897,46.8051034]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0159/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p159","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0159/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0159/info.json","type":"ImageService2","height":7796,"width":6504},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5945.5,0.0 5925.1,776.2 6504.0,595.0 6504.0,7316.5 3243.3,7277.8 3220.1,6737.3 1687.0,6725.0 1048.2,7253.7 -0.0,7243.2 0.0,0.0 5945.5,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0159/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[428.0,2784.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1109809,46.7861874]}},{"type":"Feature","properties":{"resourceCoords":[428.0,7244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1087965,46.7848765]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0160/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p160","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"9"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0160/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0160/info.json","type":"ImageService2","height":7796,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6512.0,0.0 6512.0,3756.4 6036.0,3780.0 6067.8,7232.3 745.4,7308.8 570.1,635.3 -0.0,830.5 0.0,59.3 6512.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0160/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6036.0,3780.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1054969,46.7897119]}},{"type":"Feature","properties":{"resourceCoords":[3216.0,7264.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1050743,46.7877207]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0161/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p161","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0161/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0161/info.json","type":"ImageService2","height":7796,"width":6504},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"507.5,7253.0 494.3,3797.2 970.6,3779.7 988.3,507.9 6163.2,526.2 6210.4,7221.2 507.5,7253.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0161/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.10754997756354,46.79069619812935]}},{"type":"Feature","properties":{"resourceCoords":[6504.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.10469538681197,46.792864657446046]}},{"type":"Feature","properties":{"resourceCoords":[6504.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.10092566040683,46.790505440401965]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.1037802511584,46.78833698108527]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0162/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p162","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0162/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0162/info.json","type":"ImageService2","height":7796,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5893.3,474.6 6110.3,7158.2 377.0,7249.8 299.2,563.3 5893.3,474.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0162/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3184.0,4992.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1011725,46.7921954]}},{"type":"Feature","properties":{"resourceCoords":[3184.0,2744.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1022562,46.7928799]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0163/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p163","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"12"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0163/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0163/info.json","type":"ImageService2","height":7796,"width":6504},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"411.5,7240.6 307.6,471.7 6185.1,442.4 6153.7,7224.9 411.5,7240.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0163/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6136.0,2744.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.098533,46.7957239]}},{"type":"Feature","properties":{"resourceCoords":[3292.0,516.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1008369,46.79544]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0164/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p164","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"12"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0164/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0164/info.json","type":"ImageService2","height":7796,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"332.1,7180.0 380.3,505.1 3135.6,514.5 3122.7,0.0 3278.4,0.0 3287.6,545.2 6044.0,520.0 6026.9,7175.7 332.1,7180.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0164/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6044.0,5000.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0949366,46.7969849]}},{"type":"Feature","properties":{"resourceCoords":[6044.0,520.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0971433,46.7983246]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0165/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p165","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0165/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0165/info.json","type":"ImageService2","height":7796,"width":6504},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"431.9,503.5 6182.0,498.6 6242.8,499.1 6173.6,7202.1 450.8,7231.7 431.9,503.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0165/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[436.0,2760.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0960473,46.7976544]}},{"type":"Feature","properties":{"resourceCoords":[6164.0,5016.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0924631,46.7988845]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0166/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p166","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0166/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0166/info.json","type":"ImageService2","height":7796,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,580.8 5999.0,611.8 5978.9,6688.5 -0.0,6730.1 -0.0,580.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0166/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2760.0,2800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0923145,46.8005133]}},{"type":"Feature","properties":{"resourceCoords":[2760.0,7204.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0901528,46.7991857]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0167/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p167","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0167/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0167/info.json","type":"ImageService2","height":7796,"width":6504},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,972.8 5748.9,927.3 5735.4,0.0 6243.8,0.0 6257.1,919.9 6504.0,916.3 6504.0,3108.0 6288.7,3111.2 6352.0,7493.7 -0.0,7557.1 -0.0,972.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0167/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5232.0,7496.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0864195,46.8020405]}},{"type":"Feature","properties":{"resourceCoords":[2392.0,928.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0909212,46.8030834]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0168/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p168","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0168/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0168/info.json","type":"ImageService2","height":7796,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 6019.7,81.4 6010.4,928.8 5243.2,633.3 4490.1,559.1 4274.9,999.2 4228.0,1729.2 5991.2,2686.6 5984.7,3274.5 6512.0,3282.9 6512.0,7617.2 -0.0,7572.1 -0.0,3179.1 215.0,3179.0 246.6,990.4 -0.0,990.5 -0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0168/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4512.0,7620.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0839095,46.8039438]}},{"type":"Feature","properties":{"resourceCoords":[1684.0,7620.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0851502,46.8029758]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0169/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p169","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0169/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0169/info.json","type":"ImageService2","height":7796,"width":6476},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,854.2 -0.0,-0.0 6476.0,0.0 6476.0,5418.8 6189.7,5418.4 6209.1,6960.5 4172.1,6949.0 4157.8,7587.3 579.3,7589.7 531.5,3221.2 -0.0,3218.6 -0.0,2626.0 509.8,2895.6 1385.4,1211.6 1387.8,996.1 -0.0,854.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0169/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1360.0,7580.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0826942,46.8048947]}},{"type":"Feature","properties":{"resourceCoords":[4208.0,968.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0846878,46.8078469]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0170/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p170","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0170/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0170/info.json","type":"ImageService2","height":7796,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"354.1,0.0 6512.0,0.0 6512.0,6284.3 5974.6,6784.7 6020.0,7577.2 840.0,7532.0 839.7,6886.4 -0.0,6871.1 -0.0,5326.0 286.9,5329.9 354.1,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0170/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[840.0,7532.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0801697,46.8068013]}},{"type":"Feature","properties":{"resourceCoords":[840.0,920.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0834485,46.8087637]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0171/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p171","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0171/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0171/info.json","type":"ImageService2","height":7796,"width":6476},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,6779.9 529.4,6278.4 434.3,0.0 6229.7,20.6 6476.0,291.2 6476.0,1007.7 5886.2,1530.6 5895.4,5398.3 6183.2,5396.5 6191.6,7630.2 -0.0,7539.4 -0.0,6779.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0171/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.08163245871411,46.810813629512026]}},{"type":"Feature","properties":{"resourceCoords":[6476.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.07879591495427,46.81299740569212]}},{"type":"Feature","properties":{"resourceCoords":[6476.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.07498172273648,46.810643847084535]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.07781826649632,46.80846007090444]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0172/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p172","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0172/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0172/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,5358.9 -0.0,1505.9 589.3,982.3 591.0,268.4 346.1,0.0 6524.0,0.0 6524.0,6782.8 5957.3,6784.7 5952.0,7550.0 290.1,7581.0 287.0,5355.8 -0.0,5358.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0172/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3104.0,7552.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.07396,46.8115552]}},{"type":"Feature","properties":{"resourceCoords":[5952.0,7552.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0727023,46.8125145]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0173/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p173","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"10"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0173/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0173/info.json","type":"ImageService2","height":7796,"width":6476},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 -0.0,-0.0 225.2,0.0 229.5,531.5 1277.4,533.6 1911.7,0.0 3444.3,0.0 3471.9,540.1 6356.0,556.0 6330.7,7239.1 827.7,7299.7 816.1,7714.5 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0173/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6356.0,5024.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1041405,46.7854407]}},{"type":"Feature","properties":{"resourceCoords":[6356.0,556.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1063138,46.7867665]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0174/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p174","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"12"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0174/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0174/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"384.0,7206.5 357.7,573.9 6047.6,548.3 6100.0,7240.2 384.0,7206.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0174/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[392.0,5008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1041405,46.7854407]}},{"type":"Feature","properties":{"resourceCoords":[6072.0,2776.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1027251,46.7880068]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0175/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p175","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"16"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0175/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0175/info.json","type":"ImageService2","height":7796,"width":6448},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"462.8,7261.8 460.2,573.5 6152.5,572.7 6164.0,7268.0 462.8,7261.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0175/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[468.0,2800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1027251,46.7880068]}},{"type":"Feature","properties":{"resourceCoords":[6164.0,7268.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.098045,46.7885817]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0176/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p176","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"12"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0176/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0176/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5990.5,7232.6 332.0,7244.0 316.4,545.6 6045.1,546.9 5990.5,7232.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0176/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[332.0,2776.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1002333,46.7899191]}},{"type":"Feature","properties":{"resourceCoords":[332.0,7244.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.098045,46.7885817]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0177/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p177","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"11"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0177/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0177/info.json","type":"ImageService2","height":7796,"width":6448},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6448.0,7230.2 468.5,7309.3 459.7,610.9 6136.5,538.6 6185.0,5033.4 6448.0,5027.6 6448.0,7230.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0177/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[456.0,5048.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0966777,46.7911607]}},{"type":"Feature","properties":{"resourceCoords":[6188.0,2800.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0952394,46.7937415]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0178/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p178","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0178/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0178/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5528.6,7796.0 660.0,7796.0 648.0,7282.5 568.5,7282.1 596.4,5069.4 332.1,5071.9 340.3,556.1 6087.9,550.7 6027.7,7309.3 5538.4,7308.8 5528.6,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0178/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3192.0,5048.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0929317,46.7940285]}},{"type":"Feature","properties":{"resourceCoords":[6036.0,5048.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0917004,46.7949784]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0179/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p179","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0179/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0179/info.json","type":"ImageService2","height":7796,"width":6448},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"447.1,7276.6 452.0,516.0 6167.2,469.5 6200.5,7234.3 447.1,7276.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0179/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3292.0,7252.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.08937,46.795256]}},{"type":"Feature","properties":{"resourceCoords":[452.0,516.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0938724,46.7963285]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0180/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p180","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0180/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0180/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6388.5,0.0 6386.7,548.9 6524.0,548.8 6524.0,7295.8 307.1,7228.0 291.8,0.0 6388.5,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0180/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.09175586046936,46.79828119668755]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.08892963109896,46.800468106448356]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.08513895000537,46.79813981804393]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.08796517937577,46.79595290828312]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0181/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p181","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0181/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0181/info.json","type":"ImageService2","height":7796,"width":6448},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"976.9,548.9 6448.0,547.8 6448.0,7309.8 980.9,7283.5 976.9,548.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0181/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.08935430426418,46.800140668694574]}},{"type":"Feature","properties":{"resourceCoords":[6448.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.0865538604238,46.802304880734624]}},{"type":"Feature","properties":{"resourceCoords":[6448.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.08275817677173,46.79997072262556]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.0855586206121,46.79780651058551]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0182/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p182","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0182/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0182/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"596.7,7320.0 639.7,565.1 6055.4,612.5 6024.0,7304.0 596.7,7320.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0182/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3184.0,628.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0851502,46.8029758]}},{"type":"Feature","properties":{"resourceCoords":[6024.0,7304.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0806433,46.801942]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0183/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p183","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0183/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0183/info.json","type":"ImageService2","height":7796,"width":6448},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5813.1,5183.7 6128.1,5188.4 6081.7,7408.2 396.5,7346.6 485.1,620.3 5901.6,673.1 5813.1,5183.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0183/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3288.0,7376.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0793904,46.8029056]}},{"type":"Feature","properties":{"resourceCoords":[6152.0,672.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0814577,46.8058334]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0184/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p184","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0184/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0184/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,646.1 200.5,644.1 256.6,0.0 3139.9,0.0 5518.3,527.9 5565.9,7277.0 309.2,7310.5 -0.0,5113.4 -0.0,646.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0184/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[312.0,5112.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0792485,46.8045019]}},{"type":"Feature","properties":{"resourceCoords":[3152.0,648.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0801697,46.8068013]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0185/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p185","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0185/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0185/info.json","type":"ImageService2","height":7796,"width":6448},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7369.2 -0.0,574.9 6127.8,692.8 6135.8,6717.8 3290.4,6715.8 3282.7,7403.3 -0.0,7369.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0185/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6128.0,5152.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0742797,46.8083054]}},{"type":"Feature","properties":{"resourceCoords":[3288.0,664.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0777054,46.8086962]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0186/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p186","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0186/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0186/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6001.9,649.6 5992.2,7357.4 326.3,7355.2 286.7,691.1 6001.9,649.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0186/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3168.0,7360.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0719348,46.8085898]}},{"type":"Feature","properties":{"resourceCoords":[3168.0,688.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0751874,46.810598]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0187/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p187","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0187/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0187/info.json","type":"ImageService2","height":7796,"width":6448},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"652.5,5003.0 678.6,2801.7 6144.0,2728.0 6144.0,5036.0 652.5,5003.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0187/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6144.0,2728.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.103074,46.784775]}},{"type":"Feature","properties":{"resourceCoords":[6144.0,5036.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1019457,46.7840838]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0188__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p188 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0188__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0188/info.json","type":"ImageService2","height":7796,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"352.0,5020.0 6512.0,5015.3 6512.0,4684.4 6512.0,2739.8 338.1,2713.3 352.0,5020.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0188__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3200.0,5020.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1006897,46.7850328]}},{"type":"Feature","properties":{"resourceCoords":[352.0,5020.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1019457,46.7840838]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0189/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p189","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"12"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0189/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0189/info.json","type":"ImageService2","height":7796,"width":6448},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6448.0,2786.8 6448.0,5061.3 6180.0,5060.0 6132.4,6162.3 6448.0,6155.7 6448.0,7796.0 957.3,7796.0 956.7,6174.2 455.5,6108.8 452.9,5059.5 930.3,5054.4 955.3,2765.8 6448.0,2786.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0189/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6180.0,5060.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0969583,46.7878898]}},{"type":"Feature","properties":{"resourceCoords":[496.0,2764.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1005399,46.7866698]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0190/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p190","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"9"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0190/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0190/info.json","type":"ImageService2","height":7796,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"581.3,5020.7 580.3,2762.1 5556.1,2768.4 5546.7,5042.0 581.3,5020.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0190/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3184.0,2764.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0968162,46.7895285]}},{"type":"Feature","properties":{"resourceCoords":[6008.0,5044.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0944638,46.7897983]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0191/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p191","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0191/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0191/info.json","type":"ImageService2","height":7796,"width":6448},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"683.2,1788.5 6448.0,1763.0 6326.0,7796.0 -0.0,7796.0 -0.0,-0.0 679.9,0.0 683.2,1788.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0191/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3336.0,1764.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1032016,46.7831433]}},{"type":"Feature","properties":{"resourceCoords":[6172.0,1764.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1019457,46.7840838]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0192/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p192","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"9"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0192/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0192/info.json","type":"ImageService2","height":7796,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"625.5,1728.3 5539.3,1724.0 5985.6,1733.5 5999.5,2767.1 6512.0,2828.3 6512.0,6494.7 5643.3,6254.9 605.3,6262.0 625.5,1728.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0192/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3176.0,1728.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1006897,46.7850328]}},{"type":"Feature","properties":{"resourceCoords":[352.0,1728.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1019457,46.7840838]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0194/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p194","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0194/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0194/info.json","type":"ImageService2","height":7796,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"336.9,3760.2 381.6,2676.7 6016.0,2692.0 6010.8,3629.6 5557.0,3653.5 5546.5,7792.8 -0.0,7796.0 -0.0,5366.5 650.3,5365.2 647.1,3753.1 336.9,3760.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0194/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3176.0,2692.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0957173,46.788834]}},{"type":"Feature","properties":{"resourceCoords":[6016.0,2692.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0944638,46.7897983]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0195/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p195","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0195/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0195/info.json","type":"ImageService2","height":7796,"width":6448},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 -0.0,3661.6 453.2,3636.5 455.4,2700.0 -0.0,2699.9 -0.0,452.3 6448.0,423.1 6448.0,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0195/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3292.0,420.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0943368,46.7914518]}},{"type":"Feature","properties":{"resourceCoords":[456.0,2700.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0944638,46.7897983]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0197__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p197 [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":"6448.0"},{"label":"split_canvas_h","value":"4897.6"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0197__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0197/info.json","type":"ImageService2","height":7796,"width":6448},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,4269.6 3737.6,4290.0 3736.4,4897.6 6448.0,4896.8 6448.0,2581.4 6144.0,2588.8 6144.0,304.1 -0.0,423.3 0.0,4269.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0197__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6144.0,304.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0881083,46.7962255]}},{"type":"Feature","properties":{"resourceCoords":[6144.0,2588.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0869968,46.7955226]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0198__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p198 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6488.0"},{"label":"split_canvas_h","value":"5696.0"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0198__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0198/info.json","type":"ImageService2","height":7796,"width":6488},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"377.7,229.4 304.0,2524.0 609.6,2526.3 535.0,4852.5 -0.0,4835.3 0.0,4862.0 3576.4,4876.0 3576.0,5688.0 6488.0,5696.0 6488.0,4369.9 5511.4,4157.0 5617.6,342.1 377.7,229.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0198__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3172.0,304.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0868653,46.7971565]}},{"type":"Feature","properties":{"resourceCoords":[304.0,2524.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0869968,46.7955226]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0199/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p199","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0199/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0199/info.json","type":"ImageService2","height":7796,"width":6448},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6092.7,5198.4 5792.8,5139.5 5836.5,7796.0 -0.0,7796.0 -0.0,5552.0 1024.8,5530.7 987.7,4196.4 -0.0,4002.5 -0.0,161.9 6184.2,141.2 6092.7,5198.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0199/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.08586918740707,46.79802836391531]}},{"type":"Feature","properties":{"resourceCoords":[6448.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.0830368266589,46.800175428342364]}},{"type":"Feature","properties":{"resourceCoords":[6448.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.07927136777786,46.79781457321563]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.08210372852604,46.795667508788576]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0200/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p200","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0200/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0200/info.json","type":"ImageService2","height":7796,"width":6488},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"471.8,168.0 6084.7,151.2 6035.8,3894.6 5548.1,6127.1 5147.1,6056.3 4810.1,7796.0 -0.0,7796.0 -0.0,5138.8 297.7,5200.2 471.8,168.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0200/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3196.0,2388.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0808023,46.8003]}},{"type":"Feature","properties":{"resourceCoords":[6036.0,2388.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0795629,46.8012574]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0201/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p201","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"17"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0201/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0201/info.json","type":"ImageService2","height":7796,"width":6448},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"536.8,4036.5 575.8,298.8 6198.0,300.0 6135.4,5145.5 5859.0,6560.5 5849.0,7372.9 55.8,6266.8 536.8,4036.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0201/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3348.0,2532.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.078329,46.8022057]}},{"type":"Feature","properties":{"resourceCoords":[6200.0,300.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.078178,46.8038355]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0202/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p202","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"18"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0202/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0202/info.json","type":"ImageService2","height":7796,"width":6476},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"259.0,5154.3 262.2,309.1 5918.5,254.6 5920.4,3934.5 5180.3,7796.0 2324.0,7796.0 -0.0,7384.7 -0.0,6572.4 259.0,5154.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0202/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3112.0,5656.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0743079,46.8031591]}},{"type":"Feature","properties":{"resourceCoords":[3112.0,324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0769041,46.8047805]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0203/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p203","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"16"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0203/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0203/info.json","type":"ImageService2","height":7796,"width":6448},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"420.1,4345.7 454.1,652.8 3312.6,684.3 3319.9,0.0 6152.3,0.0 6127.3,5372.1 5892.0,6506.8 5898.4,7581.7 -0.0,6498.9 420.1,4345.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0203/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[448.0,2900.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0745936,46.8050607]}},{"type":"Feature","properties":{"resourceCoords":[6156.0,664.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0731867,46.807643]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0204/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p204","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0204/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0204/info.json","type":"ImageService2","height":7796,"width":6476},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7481.4 -0.0,6412.5 240.6,5285.4 296.7,603.3 5809.8,657.6 5923.2,7796.0 1570.5,7796.0 -0.0,7481.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0204/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3104.0,2888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.070828,46.8079089]}},{"type":"Feature","properties":{"resourceCoords":[5936.0,2888.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0695885,46.8088676]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0205/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p205","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0205/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0205/info.json","type":"ImageService2","height":7796,"width":6432},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"209.3,7467.3 211.9,761.2 3077.4,770.6 3079.9,0.0 6432.0,0.0 6432.0,7477.5 209.3,7467.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0205/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.07442351127422,46.81171349196294]}},{"type":"Feature","properties":{"resourceCoords":[6432.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.07161064928553,46.813873132581584]}},{"type":"Feature","properties":{"resourceCoords":[6432.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.0678127458787,46.81152329640403]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.07062560786738,46.80936365578539]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0206/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p206","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0206/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0206/info.json","type":"ImageService2","height":7796,"width":6476},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6146.7,356.2 6156.1,0.0 6476.0,0.0 6476.0,7796.0 -0.0,7796.0 -0.0,225.0 6146.7,356.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0206/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2852.0,2424.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0683568,46.809834]}},{"type":"Feature","properties":{"resourceCoords":[116.0,228.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0706942,46.809533]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0207__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p207 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3328.8"},{"label":"split_canvas_w","value":"6432.0"},{"label":"split_canvas_h","value":"4467.2"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0207__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0207/info.json","type":"ImageService2","height":7796,"width":6432},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,3531.5 -0.0,7796.0 5752.7,7796.0 5744.9,5852.1 6180.5,5861.0 6180.0,3524.8 -0.0,3531.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0207__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[408.0,3524.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0779343,46.799976]}},{"type":"Feature","properties":{"resourceCoords":[6180.0,3524.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0749267,46.8015553]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0208/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p208","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0208/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0208/info.json","type":"ImageService2","height":7796,"width":6476},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5256.6,1498.5 5743.4,1507.7 5746.8,3740.4 5270.1,3741.6 5289.5,6962.6 6476.0,6955.5 6476.0,7796.0 -0.0,7796.0 -0.0,3739.7 433.0,3753.2 441.7,1434.5 5254.0,1072.3 5256.6,1498.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0208/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.07573715682621,46.801946047317294]}},{"type":"Feature","properties":{"resourceCoords":[6476.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.07237086699291,46.8037536780291]}},{"type":"Feature","properties":{"resourceCoords":[6476.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.06921419612834,46.800960092992675]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.07258048596164,46.799152462280865]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0209/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p209","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0209/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0209/info.json","type":"ImageService2","height":7796,"width":6432},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"485.5,2357.3 -0.0,2345.2 -0.0,1920.1 495.1,1840.4 527.2,106.4 6432.0,178.5 6432.0,7796.0 -0.0,7796.0 -0.0,4582.8 475.5,4584.5 485.5,2357.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0209/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.07335727025276,46.803714797387066]}},{"type":"Feature","properties":{"resourceCoords":[6432.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.07002131275692,46.80552841261138]}},{"type":"Feature","properties":{"resourceCoords":[6432.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.06683242141501,46.80274115230895]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.07016837891085,46.80092753708463]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0210/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p210","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0210/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0210/info.json","type":"ImageService2","height":7796,"width":6476},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6186.7,1982.1 6314.1,2597.8 6476.0,2564.2 6476.0,7796.0 311.1,7796.0 280.2,2775.9 1936.0,2791.5 6186.7,1982.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0210/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2892.0,7308.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0667339,46.8045607]}},{"type":"Feature","properties":{"resourceCoords":[5720.0,7308.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0652476,46.8053473]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0211__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p211 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6432.0"},{"label":"split_canvas_h","value":"3602.4"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0211__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0211/info.json","type":"ImageService2","height":7796,"width":6432},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 -0.0,2366.8 163.3,2491.6 -0.0,2492.2 0.0,3598.0 475.8,3598.3 476.0,3422.5 932.5,3427.2 932.5,3421.3 6147.4,3407.9 6167.8,2463.4 6432.0,2464.0 6432.0,0.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0211__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[476.0,3422.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1028889,46.7984233]}},{"type":"Feature","properties":{"resourceCoords":[6164.0,1203.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1014796,46.8010034]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0214/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p214","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0214/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0214/info.json","type":"ImageService2","height":7796,"width":6476},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,935.4 6042.8,0.0 6476.0,0.0 6476.0,5689.5 -0.0,6784.6 -0.0,935.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0214/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5692.0,2380.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0964075,46.7841807]}},{"type":"Feature","properties":{"resourceCoords":[3396.0,8040.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0947262,46.7816865]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0216/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p216","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0216/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0216/info.json","type":"ImageService2","height":7796,"width":6476},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2009.4,0.0 6476.0,0.0 6476.0,7796.0 -0.0,7796.0 -0.0,2429.4 2007.2,1223.4 2009.4,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0216/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.0967934514081,46.78266425952378]}},{"type":"Feature","properties":{"resourceCoords":[6476.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.09307092797076,46.783874407988904]}},{"type":"Feature","properties":{"resourceCoords":[6476.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.09095841468303,46.7807840654042]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.09468093812038,46.77957391693907]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0217__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p217 [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":"4302.8"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0217__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0217/info.json","type":"ImageService2","height":7796,"width":6432},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"125.4,242.4 -0.0,0.0 -0.0,7153.6 3346.5,7060.7 3391.2,3935.6 3419.2,2086.0 3893.6,1443.2 4278.2,86.9 125.4,242.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0217__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2391.3,7608.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0916419,46.7771267]}},{"type":"Feature","properties":{"resourceCoords":[815.8,7608.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0925235,46.7768673]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0217__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p217 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3391.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3040.8"},{"label":"split_canvas_h","value":"3935.6"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0217__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0217/info.json","type":"ImageService2","height":7796,"width":6432},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6432.0,0.0 4302.8,0.0 3893.6,1443.2 3419.2,2086.0 3391.2,3935.6 6432.0,3931.2 6432.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0217__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[3391.2,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.0906174622126,46.770642061834366]}},{"type":"Feature","properties":{"resourceCoords":[6432.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.0887922297373,46.77122998065031]}},{"type":"Feature","properties":{"resourceCoords":[6432.0,3935.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.08766968816172,46.769631696490045]}},{"type":"Feature","properties":{"resourceCoords":[3391.2,3935.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.08949492063704,46.7690437776741]}},{"type":"Feature","properties":{"resourceCoords":[6364.1,3039.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.087966,46.7699824]}},{"type":"Feature","properties":{"resourceCoords":[6364.1,3039.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0876607,46.7695288]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0218__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p218 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3282.8"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0218__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0218/info.json","type":"ImageService2","height":7796,"width":6476},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3282.4,0.0 -0.0,-0.0 -0.0,7796.0 3195.2,7796.0 3282.8,0.0 3282.4,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0218__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2343.1,6064.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0900921,46.7748362]}},{"type":"Feature","properties":{"resourceCoords":[2343.1,480.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0916419,46.7771267]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0218__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p218 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"3195.2"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3280.8"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0218__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0218/info.json","type":"ImageService2","height":7796,"width":6476},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3855.8,7084.0 3857.6,7796.0 3944.0,7796.0 5088.0,7796.0 6476.0,7796.0 6476.0,639.9 3276.0,601.9 3203.2,7080.2 3855.8,7084.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0218__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3882.5,4528.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0894872,46.7722554]}},{"type":"Feature","properties":{"resourceCoords":[3882.5,1720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0902691,46.7733759]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0219/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p219","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0219/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0219/info.json","type":"ImageService2","height":7796,"width":6432},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6432.0,0.0 6427.9,7796.0 -0.0,7796.0 -0.0,-0.0 6432.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0219/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3640.0,3116.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0367551,46.8293253]}},{"type":"Feature","properties":{"resourceCoords":[3640.0,852.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0367608,46.8303469]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0220/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p220","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0220/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0220/info.json","type":"ImageService2","height":7796,"width":6448},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3047.3,7796.0 3048.4,7633.0 242.0,7628.1 189.6,7796.0 194.3,11.7 5885.2,0.0 5884.0,868.0 5455.8,866.3 5471.3,3107.2 5899.8,3104.2 5893.8,5401.1 5981.9,5685.3 5491.9,6079.9 5498.0,6963.5 5375.5,6973.8 5391.3,7160.8 4164.3,7145.9 3354.3,7796.0 3047.3,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0220/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3072.0,3124.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0330155,46.8293355]}},{"type":"Feature","properties":{"resourceCoords":[5884.0,868.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0311658,46.8303594]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0221/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p221","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0221/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0221/info.json","type":"ImageService2","height":7796,"width":6432},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6429.0,773.0 6432.0,7796.0 6273.1,7796.0 6276.6,7232.0 996.1,7153.1 751.9,7298.9 722.2,7796.0 -0.0,7796.0 -0.0,678.8 6429.0,773.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0221/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.03913683550564,46.827514461248725]}},{"type":"Feature","properties":{"resourceCoords":[6432.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.03491280833525,46.827568110381044]}},{"type":"Feature","properties":{"resourceCoords":[6432.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.03481843708782,46.82404033196194]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.03904246425822,46.82398668282962]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0222/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p222","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0222/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0222/info.json","type":"ImageService2","height":7796,"width":6476},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"105.1,535.2 2939.3,505.7 2941.7,920.3 4060.4,0.0 6476.0,0.0 6476.0,458.0 5814.5,471.7 5834.7,2675.5 6476.0,2673.8 6476.0,4637.4 5816.3,5356.5 6051.6,7796.0 207.5,7796.0 105.1,535.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0222/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3008.0,4980.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0329988,46.8252978]}},{"type":"Feature","properties":{"resourceCoords":[3008.0,2740.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0329867,46.8262995]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0223/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p223","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0223/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0223/info.json","type":"ImageService2","height":7796,"width":6432},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 139.9,0.0 146.7,1125.1 870.3,1120.5 867.4,696.2 1140.8,470.1 6432.0,516.3 6432.0,7796.0 -0.0,7796.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0223/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3680.0,2728.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0367135,46.8232873]}},{"type":"Feature","properties":{"resourceCoords":[824.0,4992.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0385674,46.8222563]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0225/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p225","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0225/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0225/info.json","type":"ImageService2","height":7796,"width":6432},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,6687.3 -0.0,-0.0 6340.3,0.0 6253.1,7628.5 562.4,7556.1 572.4,6693.1 -0.0,6687.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0225/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6284.0,5408.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0273875,46.8313716]}},{"type":"Feature","properties":{"resourceCoords":[3492.0,944.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0292827,46.8333812]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0226/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p226","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"13"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0226/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0226/info.json","type":"ImageService2","height":7796,"width":6464},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5715.5,0.0 5694.4,7234.4 5130.6,7222.6 4492.8,7796.0 363.0,7796.0 264.0,7508.2 272.5,0.0 5715.5,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0226/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[272.0,5412.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0273875,46.8313716]}},{"type":"Feature","properties":{"resourceCoords":[5944.0,3184.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0236878,46.8323768]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0227/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p227","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"14"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0227/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0227/info.json","type":"ImageService2","height":7796,"width":6432},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"494.5,5337.9 408.0,5052.0 430.0,2746.0 -0.0,2746.1 -0.0,496.0 6175.9,555.0 6344.2,773.6 5836.8,1172.0 5791.2,2802.2 6432.0,2813.3 6432.0,4465.0 5717.7,5431.5 5696.8,6178.2 -0.0,6617.9 -0.0,5730.7 494.5,5337.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0227/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6000.0,5052.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0274701,46.8283392]}},{"type":"Feature","properties":{"resourceCoords":[408.0,5052.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0311477,46.828312]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0228/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p228","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0228/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0228/info.json","type":"ImageService2","height":7796,"width":6448},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"605.8,4598.9 691.8,4474.5 645.3,2812.8 362.4,2814.3 -0.0,2819.7 -0.0,1178.3 614.8,668.9 4556.4,586.5 5182.3,0.0 6448.0,0.0 6448.0,7796.0 -0.0,7796.0 -0.0,5467.0 605.8,4598.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0228/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2232.0,2804.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.026168,46.8293401]}},{"type":"Feature","properties":{"resourceCoords":[324.0,548.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0273873,46.8303629]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0229__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p229 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6416.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0229__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0229/info.json","type":"ImageService2","height":7796,"width":6416},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"256.8,2705.8 851.4,2761.5 675.8,4582.6 -0.0,5190.6 -0.0,7796.0 3648.0,7796.0 4853.2,7796.0 4788.4,2735.6 6416.0,2718.0 6416.0,1576.5 5317.1,1460.6 5471.0,0.0 -0.0,-0.0 -0.0,176.6 1090.5,281.7 1049.5,706.5 435.1,660.0 256.8,2705.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0229__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[436.0,660.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0311409,46.8273035]}},{"type":"Feature","properties":{"resourceCoords":[3332.0,1828.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0290447,46.8268679]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0230__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p230 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6448.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0230__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0230/info.json","type":"ImageService2","height":7796,"width":6448},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7386.4 708.6,7399.2 701.5,7796.0 4048.0,7796.0 4044.0,6328.8 6448.0,6336.0 6448.0,4220.3 5809.2,4250.5 5608.1,0.0 -0.0,75.2 -0.0,7386.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0230__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[276.0,1000.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.023666,46.8333905]}},{"type":"Feature","properties":{"resourceCoords":[4664.0,2920.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0208291,46.8325427]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0231/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p231","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"14"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0231/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0231/info.json","type":"ImageService2","height":7796,"width":6416},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6194.8,2929.7 6416.0,2846.3 6416.0,7796.0 -0.0,7796.0 -0.0,-0.0 6304.0,0.0 6036.1,2282.9 6194.8,2929.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0231/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2140.0,4316.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0187807,46.8335808]}},{"type":"Feature","properties":{"resourceCoords":[6124.0,1548.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.016227,46.8349237]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0232/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p232","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0232/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0232/info.json","type":"ImageService2","height":7796,"width":6448},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1533.4,2982.3 -0.0,2439.5 -0.0,-0.0 6167.8,0.0 6190.0,1392.0 5148.7,1401.5 5251.7,7598.0 6448.0,7578.1 6448.0,7796.0 -0.0,7796.0 732.0,5668.8 499.6,5673.5 564.7,5021.7 1533.4,2982.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0232/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[888.0,4368.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.016227,46.8349237]}},{"type":"Feature","properties":{"resourceCoords":[6192.0,1392.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0136757,46.8371223]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0233/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p233","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"17"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0233/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0233/info.json","type":"ImageService2","height":7796,"width":6416},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6091.9,0.0 6118.2,5177.3 -0.0,7705.9 -0.0,-0.0 6091.9,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0233/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[520.0,4752.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0159601,46.8384062]}},{"type":"Feature","properties":{"resourceCoords":[6200.0,2536.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0122478,46.8394038]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0234/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p234","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0234/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0234/info.json","type":"ImageService2","height":7796,"width":6448},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 6448.0,0.0 6448.0,4777.8 2255.3,6536.4 2249.6,6523.0 -0.0,7458.2 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0234/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.01233337565904,46.84159953672113]}},{"type":"Feature","properties":{"resourceCoords":[6448.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.00809347832553,46.8416208804649]}},{"type":"Feature","properties":{"resourceCoords":[6448.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.00805601708676,46.83808955775021]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-92.01229591442026,46.838068214006434]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0235/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p235","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0235/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0235/info.json","type":"ImageService2","height":7796,"width":6416},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1416.0 1072.0,1424.0 1072.9,0.0 6416.0,0.0 6416.0,1422.5 5931.4,1422.8 5941.4,7768.4 -0.0,7796.0 -0.0,1416.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0235/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3912.0,1424.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0119645,46.8376241]}},{"type":"Feature","properties":{"resourceCoords":[1072.0,1424.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0136757,46.8371223]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0236/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1909 | sanborn04287_006 p236","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"7"}],"created":"2026-09-21T19:05:43Z","modified":"2026-09-21T19:05:43Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0236/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0236/info.json","type":"ImageService2","height":7796,"width":6448},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"489.9,0.0 6448.0,0.0 6448.0,7796.0 -0.0,7796.0 -0.0,1412.6 487.6,1411.7 489.9,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287190902:04287_02_1909-0236/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2432.0,4532.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0084893,46.8371331]}},{"type":"Feature","properties":{"resourceCoords":[2432.0,1416.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0092923,46.838409]}}]}}]}