{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn00296_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mammoth Spring, Arkansas | 1914 | 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":"7"},{"label":"placed","value":"4"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef 4"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 36.49505,-91.54083 +/-317m); p1__3 (tier 4, 36.49505,-91.54083 +/-317m); p3__2 (tier 2, 36.49383,-91.54087 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002961914:00296_1914-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mammoth Spring, Arkansas | 1914 | sanborn00296_004 p1 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"8600.0"},{"label":"split_canvas_h","value":"10200.0"}],"created":"2026-09-21T17:37:17Z","modified":"2026-09-21T17:37:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002961914:00296_1914-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002961914:00296_1914-0001","type":"ImageService3","width":2150,"height":2550},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2150.0,2550.0 2150.0,820.9 1254.0,819.0 1254.0,634.2 744.6,637.0 739.4,0.9 95.5,1.4 139.2,1212.0 60.9,1212.5 72.5,1972.0 1586.0,1962.4 1589.5,2399.0 1589.5,2550.0 2150.0,2550.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002961914:00296_1914-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.53929126245892,36.49745937231102]}},{"type":"Feature","properties":{"resourceCoords":[2150.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.535274657899,36.497392968075346]}},{"type":"Feature","properties":{"resourceCoords":[2150.0,2550.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.53537246898605,36.49355704212675]}},{"type":"Feature","properties":{"resourceCoords":[0.0,2550.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.53938907354598,36.49362344636243]}},{"type":"Feature","properties":{"resourceCoords":[725.0,1209.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5379832,36.4956183]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002961914:00296_1914-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mammoth Spring, Arkansas | 1914 | sanborn00296_004 p2","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-21T17:37:17Z","modified":"2026-09-21T17:37:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002961914:00296_1914-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002961914:00296_1914-0002","type":"ImageService3","width":2150,"height":2550},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2150.0,1278.0 2069.9,1275.5 2043.9,2515.6 -0.0,2462.0 -0.0,-0.0 2150.0,0.0 2150.0,1278.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002961914:00296_1914-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[728.0,1248.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5416753,36.4956431]}},{"type":"Feature","properties":{"resourceCoords":[1385.0,2497.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5404398,36.4938216]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002961914:00296_1914-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mammoth Spring, Arkansas | 1914 | sanborn00296_004 p3 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"2001.6"},{"label":"split_canvas_h","value":"1624.0"}],"created":"2026-09-21T17:37:17Z","modified":"2026-09-21T17:37:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002961914:00296_1914-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002961914:00296_1914-0003","type":"ImageService3","width":2150,"height":2550},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 -0.0,406.0 500.4,403.8 495.1,0.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002961914:00296_1914-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.5443764411975,36.496183520935965]}},{"type":"Feature","properties":{"resourceCoords":[500.4,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.54344215227448,36.496181954199535]}},{"type":"Feature","properties":{"resourceCoords":[500.4,406.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.5434437322216,36.495571087225166]}},{"type":"Feature","properties":{"resourceCoords":[0.0,406.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.54437802114462,36.495572653961595]}},{"type":"Feature","properties":{"resourceCoords":[95.1,353.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5442003,36.4956521]}},{"type":"Feature","properties":{"resourceCoords":[95.1,353.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5442003,36.4956521]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002961914:00296_1914-0003__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mammoth Spring, Arkansas | 1914 | sanborn00296_004 p3 [3]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"6550.0"},{"label":"split_canvas_w","value":"8600.0"},{"label":"split_canvas_h","value":"3650.0"}],"created":"2026-09-21T17:37:17Z","modified":"2026-09-21T17:37:17Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002961914:00296_1914-0003__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002961914:00296_1914-0003","type":"ImageService3","width":2150,"height":2550},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,2550.0 2150.0,2550.0 2150.0,1695.0 50.0,1680.2 48.7,1637.5 0.0,1637.5 -0.0,2550.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd400m:g4004m:g4004mm:g002961914:00296_1914-0003__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1381.0,2291.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5404527,36.492875]}},{"type":"Feature","properties":{"resourceCoords":[70.0,2291.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5429486,36.4929038]}}]}}]}