{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn06539_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Grand Forks, North-Dakota | 1888 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"28"},{"label":"placed","value":"9"},{"label":"unplaced","value":"19"},{"label":"fit sources","value":"georef 6, georef-snap 2, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"7 sheet(s) cut into 23 panels"},{"label":"unplaced pages","value":"p1 (tier 1, 47.92584,-97.03898 +/-275m); p10__1 (tier 1, 47.91918,-97.05288 +/-199m); p10__2 (tier 1, 47.91971,-97.04991 +/-129m); p10__3 (tier 1, 47.91585,-97.05626 +/-135m); p10__4 (tier 3, 47.91821,-97.05340 +/-615m); p11__1 (tier 1, 47.92098,-97.02875 +/-134m); p11__2 (tier 1, 47.92155,-97.02383 +/-100m); p11__3 (tier 1, 47.92159,-97.02465 +/-162m); p11__4 (tier 1, 47.92238,-97.02827 +/-136m); p12__1 (tier 1, 47.92624,-97.02994 +/-100m); p12__2 (tier 1, 47.91359,-97.02902 +/-226m); p2 (tier 2, 47.92385,-97.03110 +/-360m); p6__2 (tier 1, 47.91986,-97.02891 +/-100m); p8__1 (tier 1, 47.91292,-97.02065 +/-100m); p8__2 (tier 1, 47.92412,-97.03592 +/-183m); p8__4 (tier 1, 47.92510,-97.03749 +/-122m); p9__1 (tier 1, 47.92099,-97.02410 +/-259m); p9__2 (tier 1, 47.92094,-97.02425 +/-161m); p9__3 (tier 1, 47.92128,-97.02451 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0012__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Forks, North-Dakota | 1888 | sanborn06539_002 p12 [3]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2368.0"},{"label":"split_canvas_w","value":"2376.8"},{"label":"split_canvas_h","value":"5340.0"}],"created":"2026-09-23T20:38:11Z","modified":"2026-09-23T20:38:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0012__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0012","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,592.0 -0.0,1927.0 589.7,1927.0 594.2,592.0 0.0,592.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0012__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[274.1,1801.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.031742,47.914024]}},{"type":"Feature","properties":{"resourceCoords":[274.1,740.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.028794,47.914022]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Forks, North-Dakota | 1888 | sanborn06539_002 p3","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"}],"created":"2026-09-23T20:38:11Z","modified":"2026-09-23T20:38:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0003","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1269.9,1850.5 -0.0,1853.3 -0.0,0.0 1628.0,-0.0 1628.0,761.0 1459.0,758.0 1451.3,1403.8 1294.6,1850.3 1270.0,1850.3 1269.9,1850.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1459.0,758.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0290721,47.9244275]}},{"type":"Feature","properties":{"resourceCoords":[781.0,1855.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0325673,47.9236691]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Forks, North-Dakota | 1888 | sanborn06539_002 p4","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"4"}],"created":"2026-09-23T20:38:11Z","modified":"2026-09-23T20:38:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0004","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1676.3 141.4,1156.0 120.3,525.9 297.0,518.3 273.5,-0.0 1628.0,-0.0 1628.0,38.1 1340.3,52.1 1431.5,1927.0 215.7,1927.0 194.2,1666.7 -0.0,1676.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[893.0,1948.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0301701,47.9215673]}},{"type":"Feature","properties":{"resourceCoords":[1431.0,499.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0264105,47.9228345]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Forks, North-Dakota | 1888 | sanborn06539_002 p5","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-23T20:38:11Z","modified":"2026-09-23T20:38:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0005","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1927.0 0.0,0.0 1628.0,-0.0 1628.0,1927.0 -0.0,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[621.0,469.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.02528,47.922119]}},{"type":"Feature","properties":{"resourceCoords":[621.0,1519.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.027177,47.920612]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0006__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Forks, North-Dakota | 1888 | sanborn06539_002 p6 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-09-23T20:38:11Z","modified":"2026-09-23T20:38:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0006__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0006","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1628.0,315.1 1596.4,53.2 304.5,68.2 326.6,1158.5 425.6,1295.0 595.9,1357.2 597.1,1705.0 -0.0,1711.2 -0.0,1927.0 1137.9,1927.0 1131.7,1233.6 1628.0,1227.2 1628.0,315.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0006__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1376.0,56.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0314976,47.9230713]}},{"type":"Feature","properties":{"resourceCoords":[699.0,1704.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0358243,47.9216115]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0007__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Forks, North-Dakota | 1888 | sanborn06539_002 p7 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5624.0"},{"label":"split_canvas_w","value":"2544.4"},{"label":"split_canvas_h","value":"2084.0"}],"created":"2026-09-23T20:38:11Z","modified":"2026-09-23T20:38:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0007__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0007","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1927.0 636.1,1927.0 631.2,1406.0 0.0,1406.4 0.0,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0007__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1406.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.036419282238,47.91859083430805]}},{"type":"Feature","properties":{"resourceCoords":[636.1,1406.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.03643149014687,47.917370978584984]}},{"type":"Feature","properties":{"resourceCoords":[636.1,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.03791217448752,47.917377727725636]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.03789996657865,47.918597583448694]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0007__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Forks, North-Dakota | 1888 | sanborn06539_002 p7 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"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":"7708.0"}],"created":"2026-09-23T20:38:11Z","modified":"2026-09-23T20:38:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0007__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0007","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1628.0,1772.0 1628.0,1412.2 1452.0,1347.2 1363.2,1233.8 1358.2,1310.3 753.9,1266.5 753.4,1222.2 595.5,1223.5 632.2,661.5 749.5,659.9 744.2,538.0 1338.8,581.0 1331.2,77.9 1063.3,81.7 1062.8,-0.0 790.5,-0.0 792.4,85.4 724.4,86.5 739.1,422.9 -0.0,434.4 0.0,1406.4 631.2,1406.0 636.1,1927.0 1009.8,1927.0 1010.3,1776.2 1628.0,1772.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0007__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1340.0,657.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.034696,47.923551]}},{"type":"Feature","properties":{"resourceCoords":[1340.0,1774.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.0366123,47.9220602]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0008__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Forks, North-Dakota | 1888 | sanborn06539_002 p8 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2391.6"},{"label":"split_canvas_w","value":"3736.4"},{"label":"split_canvas_h","value":"2602.4"}],"created":"2026-09-23T20:38:11Z","modified":"2026-09-23T20:38:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0008__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0008","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1244.4 877.1,1248.2 870.5,934.1 931.5,934.0 931.4,921.2 498.4,754.4 496.3,600.8 0.0,597.9 0.0,1244.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0008__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,597.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.03621867082848,47.92655930669751]}},{"type":"Feature","properties":{"resourceCoords":[934.1,597.9],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.03420488721864,47.92543290244173]}},{"type":"Feature","properties":{"resourceCoords":[934.1,1248.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.0353682345985,47.92448564965172]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1248.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.03738201820833,47.92561205390751]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0008__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Forks, North-Dakota | 1888 | sanborn06539_002 p8 [5]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"3737.2"},{"label":"split_canvas_y","value":"5081.2"},{"label":"split_canvas_w","value":"2774.8"},{"label":"split_canvas_h","value":"2626.8"}],"created":"2026-09-23T20:38:11Z","modified":"2026-09-23T20:38:11Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0008__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0008","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1040.1,1380.0 935.2,1389.1 939.1,1898.2 1076.8,1887.1 1079.8,1927.0 1628.0,1927.0 1567.5,1270.4 1028.1,1270.3 1040.1,1380.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174gm:g065391888:06539_1888-0008__5/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[934.3,1270.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.03587142757041,47.924523754177386]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1270.3],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.0344434574993,47.923570555098934]}},{"type":"Feature","properties":{"resourceCoords":[1628.0,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.03578057795845,47.92265824184725]}},{"type":"Feature","properties":{"resourceCoords":[934.3,1927.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-97.03720854802957,47.923611440925704]}}]}}]}