{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn06563_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Portland, North-Dakota | 1898 | 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":"6"},{"label":"placed","value":"2"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 47.49883,-97.37133 +/-133m); p2__1 (tier 2, 47.49865,-97.37078 +/-170m); p2__3 (tier 2, 47.49865,-97.37078 +/-170m); p2__4 (tier 2, 47.49865,-97.37078 +/-170m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174pm:g065631898:06563_1898-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, North-Dakota | 1898 | sanborn06563_003 p1 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6512.0"},{"label":"split_canvas_h","value":"7708.0"}],"created":"2026-09-21T18:22:13Z","modified":"2026-09-21T18:22:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174pm:g065631898:06563_1898-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174pm:g065631898:06563_1898-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1927.0 1628.0,1927.0 1628.0,388.4 1305.8,387.5 1129.9,505.7 951.5,474.6 1017.5,0.0 285.0,0.0 287.3,1156.5 155.0,1154.5 26.0,1905.3 -0.0,1927.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174pm:g065631898:06563_1898-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[284.0,608.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.3710313,47.4994826]}},{"type":"Feature","properties":{"resourceCoords":[1417.0,605.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.367894,47.499486]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174pm:g065631898:06563_1898-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Portland, North-Dakota | 1898 | sanborn06563_003 p2 [2]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"11"},{"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":"2026-09-21T18:22:13Z","modified":"2026-09-21T18:22:13Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174pm:g065631898:06563_1898-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174pm:g065631898:06563_1898-0002","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1409.5 344.5,1411.8 341.4,1927.0 1201.6,1927.0 1376.2,1541.7 1438.7,1163.8 1573.0,1165.1 1563.1,0.0 954.2,0.0 951.0,762.5 0.0,765.7 0.0,1409.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd417m:g4174m:g4174pm:g065631898:06563_1898-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1024.0,611.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.3725097,47.499485]}},{"type":"Feature","properties":{"resourceCoords":[330.0,1720.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-97.3744251,47.4974499]}}]}}]}