{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn04287_014.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Duluth, Minnesota | 1955 | key map | 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"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287195503:04287_03_1955-0000a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1955 | sanborn04287_014 p0a","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"6"}],"created":"2026-09-21T22:08:24Z","modified":"2026-09-21T22:08:24Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287195503:04287_03_1955-0000a/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287195503:04287_03_1955-0000a/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,0.0 6660.0,0.0 6660.0,1048.6 3901.6,3520.7 4400.8,4090.6 4578.5,4028.3 4545.4,3991.7 4587.1,3953.5 4777.5,3825.7 4779.7,3810.9 4846.7,3764.0 4871.6,3766.6 4878.5,3762.2 4949.8,3842.6 5055.3,3822.4 5091.7,3821.9 5099.7,3825.6 5105.1,3841.1 5355.3,3840.7 5810.2,3800.5 6660.0,3820.7 6660.0,8072.0 0.0,8072.0 0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287195503:04287_03_1955-0000a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6202.0,3604.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.2000049,46.7211906]}},{"type":"Feature","properties":{"resourceCoords":[2301.0,5243.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.2286627,46.6663219]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287195503:04287_03_1955-0000b/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1955 | sanborn04287_014 p0b","metadata":[{"label":"streets","value":"43"},{"label":"intersections","value":"49"}],"created":"2026-09-21T22:08:24Z","modified":"2026-09-21T22:08:24Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287195503:04287_03_1955-0000b/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287195503:04287_03_1955-0000b/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"981.9,8072.0 -0.0,8072.0 0.0,0.0 6048.2,0.0 6057.7,1326.4 6027.5,1344.3 6057.9,1358.4 6063.3,2110.5 6042.8,2133.3 6063.6,2150.7 6064.2,2247.5 5937.1,2379.1 5950.9,2398.3 5952.0,2454.4 6041.7,2452.6 6060.9,2458.3 6065.8,2462.4 6066.2,2517.7 6041.6,2530.3 6053.5,2533.7 6094.5,2571.5 6220.5,2567.8 6286.1,2495.3 6417.3,2605.2 6571.8,2429.7 6401.7,2285.3 6480.0,2198.3 6270.2,2017.4 6348.6,1930.3 6280.1,1872.1 6357.9,1782.8 6441.3,1700.1 6228.4,1519.0 6367.2,1361.9 6387.2,1330.5 6503.6,1382.9 6660.0,1388.3 6660.0,8072.0 5426.3,8072.0 2676.0,5734.0 1921.3,6513.6 1566.5,6972.7 1350.4,7207.4 1330.8,7199.8 1320.3,7204.2 1289.2,7238.7 1217.5,7354.1 1078.2,7354.9 1076.5,7365.0 1052.5,7386.2 1039.8,7487.6 1052.2,7501.7 1010.8,7785.0 1011.5,7855.4 1075.5,7854.4 981.9,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287195503:04287_03_1955-0000b/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3849.0,4466.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.1719677,46.7376785]}},{"type":"Feature","properties":{"resourceCoords":[1338.0,3655.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.2117938,46.7470346]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287195503:04287_03_1955-0000c/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Duluth, Minnesota | 1955 | sanborn04287_014 p0c","metadata":[{"label":"streets","value":"53"},{"label":"intersections","value":"25"}],"created":"2026-09-21T22:08:24Z","modified":"2026-09-21T22:08:24Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287195503:04287_03_1955-0000c/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287195503:04287_03_1955-0000c/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,8052.5 0.0,0.0 6660.0,0.0 6660.0,8072.0 428.6,8072.0 431.0,7722.9 444.9,7708.1 431.2,7696.2 432.0,7583.3 472.3,7620.5 522.4,7566.0 497.1,7541.3 478.2,7513.4 536.9,7449.7 490.1,7407.4 483.2,7408.0 432.9,7463.9 433.6,7362.8 436.4,7359.6 433.6,7357.2 434.4,7240.0 453.0,7237.8 465.9,7227.9 434.5,7227.0 434.6,7219.1 321.7,7211.8 237.9,7171.0 223.3,7193.5 122.3,7305.3 275.1,7442.4 214.4,7501.0 157.8,7564.6 207.0,7608.7 149.9,7670.7 300.5,7807.5 243.5,7869.4 365.6,7978.7 281.1,8072.0 217.0,8072.0 158.9,8020.5 111.1,8072.0 20.2,8072.0 -0.0,8052.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd414m:g4144m:g4144dm:g04287195503:04287_03_1955-0000c/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[530.0,3848.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.125486,46.8220622]}},{"type":"Feature","properties":{"resourceCoords":[5872.0,2686.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-92.0094928,46.8406676]}}]}}]}