{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn04025_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Grayling, Michigan | 1893 | mapsnap generated fit (2026-10-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-20"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"7"},{"label":"placed","value":"3"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 1, snap:0 1, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 44.66255,-84.71225 +/-350m); p1__2 (tier 4, 44.66255,-84.71225 +/-350m); p3__1 (tier 1, 44.65849,-84.71168 +/-217m); p3__2 (tier 4, 44.66255,-84.71225 +/-350m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040251893:04025_1893-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grayling, Michigan | 1893 | sanborn04025_001 p1 [3]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.76"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3848.8"},{"label":"split_canvas_w","value":"6524.0"},{"label":"split_canvas_h","value":"3835.2"}],"created":"2026-10-20T01:27:25Z","modified":"2026-10-20T01:27:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040251893:04025_1893-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040251893:04025_1893-0001","type":"ImageService3","width":1631,"height":1921},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"16.4,1777.4 194.8,1920.0 684.4,1920.0 924.9,1920.0 924.9,1913.0 1575.0,1837.5 1575.0,1798.0 1575.5,1630.7 1569.4,1588.0 1120.0,1507.5 1115.7,1507.5 1115.7,1506.7 1087.9,1501.8 1100.5,1235.2 999.9,998.4 66.1,1010.8 35.9,1538.9 122.3,1626.8 65.8,1641.7 16.4,1777.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040251893:04025_1893-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[270.0,1337.1],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.7141444,44.6636215]}},{"type":"Feature","properties":{"resourceCoords":[1575.0,1798.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.7125562,44.6613092]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040251893:04025_1893-0001__4/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grayling, Michigan | 1893 | sanborn04025_001 p1 [4]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.23"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"4447.2"},{"label":"split_canvas_y","value":"3848.8"},{"label":"split_canvas_w","value":"2076.8"},{"label":"split_canvas_h","value":"2181.2"}],"created":"2026-10-20T01:27:25Z","modified":"2026-10-20T01:27:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040251893:04025_1893-0001__4/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040251893:04025_1893-0001","type":"ImageService3","width":1631,"height":1921},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1133.1,994.4 1133.4,1496.3 1569.1,1469.8 1630.0,1287.3 1630.0,1286.9 1485.2,983.8 1133.1,994.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040251893:04025_1893-0001__4/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1111.8,962.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.70899926816712,44.66344022641351]}},{"type":"Feature","properties":{"resourceCoords":[1631.0,962.2],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.708102175248,44.66415671154574]}},{"type":"Feature","properties":{"resourceCoords":[1631.0,1507.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.7070518375918,44.663482037080044]}},{"type":"Feature","properties":{"resourceCoords":[1111.8,1507.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.70794893051092,44.66276555194781]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040251893:04025_1893-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grayling, Michigan | 1893 | sanborn04025_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.92"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-20T01:27:25Z","modified":"2026-10-20T01:27:25Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040251893:04025_1893-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040251893:04025_1893-0002","type":"ImageService3","width":1631,"height":1921},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1534.8,1776.4 1495.5,1776.1 1424.6,1130.0 1417.6,1130.0 1422.1,404.9 1564.9,228.5 1542.3,220.1 1488.6,61.3 1341.4,23.5 628.0,23.1 352.3,59.8 274.6,145.2 106.7,127.5 96.6,353.5 74.4,376.4 48.6,352.4 48.9,243.8 1.0,92.7 1.0,123.1 40.5,1750.8 76.4,1732.5 117.6,1793.9 310.8,1827.3 248.9,1877.4 1492.1,1885.6 1574.1,1856.3 1575.0,1795.2 1630.0,1777.3 1534.8,1776.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd411m:g4114m:g4114gm:g040251893:04025_1893-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[624.0,471.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.71669138202891,44.66178806288722]}},{"type":"Feature","properties":{"resourceCoords":[1524.0,1778.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-84.71257296091518,44.661292665399614]}}]}}]}