{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn03906_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Almont, Michigan | 1921 | mapsnap generated fit (2026-09-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-22"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"5"},{"label":"placed","value":"3"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p2__2 (tier 4, 42.92048,-83.04590 +/-250m); p2__4 (tier 4, 42.92048,-83.04590 +/-250m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114am:g039061921:03906_1921-0001/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Almont, Michigan | 1921 | sanborn03906_001 p1","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-22T05:31:13Z","modified":"2026-09-22T05:31:13Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114am:g039061921:03906_1921-0001/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114am:g039061921:03906_1921-0001/info.json","type":"ImageService2","height":7708,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 6512.0,0.0 6512.0,7708.0 6313.8,7708.0 6313.1,7363.8 -0.0,7284.2 0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114am:g039061921:03906_1921-0001/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3136.0,1912.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0452425,42.9222439]}},{"type":"Feature","properties":{"resourceCoords":[5072.0,7388.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.043801,42.919731]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114am:g039061921:03906_1921-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Almont, Michigan | 1921 | sanborn03906_001 p2 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"},{"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":"6489.6"}],"created":"2026-09-22T05:31:13Z","modified":"2026-09-22T05:31:13Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114am:g039061921:03906_1921-0002__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114am:g039061921:03906_1921-0002/info.json","type":"ImageService2","height":7708,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,6124.4 2413.2,6133.6 2413.6,6458.4 3575.2,6467.6 6512.0,6489.6 6512.0,323.1 117.1,229.9 117.5,0.0 -0.0,0.0 0.0,6124.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114am:g039061921:03906_1921-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1292.0,200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.046313,42.9196887]}},{"type":"Feature","properties":{"resourceCoords":[5152.0,5581.4],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.04367,42.917308]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114am:g039061921:03906_1921-0002__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Almont, Michigan | 1921 | sanborn03906_001 p2 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"2413.6"},{"label":"split_canvas_y","value":"6458.4"},{"label":"split_canvas_w","value":"1164.0"},{"label":"split_canvas_h","value":"1249.6"}],"created":"2026-09-22T05:31:13Z","modified":"2026-09-22T05:31:13Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114am:g039061921:03906_1921-0002__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114am:g039061921:03906_1921-0002/info.json","type":"ImageService2","height":7708,"width":6512},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3577.6,7708.0 3575.2,6467.6 2413.6,6458.4 2415.2,7708.0 3577.6,7708.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114am:g039061921:03906_1921-0002__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[2413.6,6458.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04804546371007,42.922030106028274]}},{"type":"Feature","properties":{"resourceCoords":[3577.6,6458.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04730448969241,42.922062976364884]}},{"type":"Feature","properties":{"resourceCoords":[3577.6,7708.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04725611530341,42.92148047850279]}},{"type":"Feature","properties":{"resourceCoords":[2413.6,7708.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-83.04799708932107,42.921447608166176]}},{"type":"Feature","properties":{"resourceCoords":[3265.6,7424.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-83.0474657,42.9216038]}}]}}]}