{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08756_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Shamrock, Texas | 1926 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"13"},{"label":"placed","value":"5"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef 5"},{"label":"key map","value":"none"},{"label":"split sheets","value":"3 sheet(s) cut into 13 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 35.21454,-100.24982 +/-360m); p1__2 (tier 4, 35.21454,-100.24982 +/-360m); p1__4 (tier 4, 35.21454,-100.24982 +/-360m); p1__5 (tier 4, 35.21454,-100.24982 +/-360m); p3__1 (tier 2, 35.21378,-100.24993 +/-139m); p3__3 (tier 2, 35.21378,-100.24993 +/-139m); p3__4 (tier 2, 35.21378,-100.24993 +/-139m); p3__6 (tier 2, 35.21378,-100.24993 +/-139m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087561926:08756_1926-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shamrock, Texas | 1926 | sanborn08756_001 p1 [3]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.11"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"1874.0"},{"label":"split_canvas_y","value":"3288.0"},{"label":"split_canvas_w","value":"4578.0"},{"label":"split_canvas_h","value":"4364.0"}],"created":"2026-10-19T03:54:50Z","modified":"2026-10-19T03:54:50Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087561926:08756_1926-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087561926:08756_1926-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1561.5,1606.9 1612.0,1584.8 1612.0,1502.8 1562.5,1501.8 1564.0,1324.0 1572.6,830.4 1561.7,843.7 502.9,846.3 496.2,1236.4 871.7,1270.8 877.4,1347.5 988.8,1349.4 1069.3,1525.0 1071.3,1810.7 1494.8,1894.7 1494.9,1912.0 1509.7,1912.0 1557.0,1912.0 1561.5,1606.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087561926:08756_1926-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[494.5,1054.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.2530036,35.214949]}},{"type":"Feature","properties":{"resourceCoords":[1564.0,1324.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.2504571,35.2144621]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087561926:08756_1926-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shamrock, Texas | 1926 | sanborn08756_001 p2 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"20"},{"label":"confidence","value":"0.91"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-19T03:54:50Z","modified":"2026-10-19T03:54:50Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087561926:08756_1926-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087561926:08756_1926-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"90.5,1912.0 398.4,1912.0 398.6,1883.5 664.1,1761.5 664.5,1735.8 1580.8,1736.2 1591.0,785.6 1538.8,194.8 1457.5,113.5 681.8,40.3 681.3,24.2 342.0,29.9 342.0,33.2 105.7,99.9 76.5,550.5 88.7,602.5 215.2,609.0 284.2,609.0 360.8,609.0 360.8,609.0 364.6,616.8 364.8,866.0 361.7,866.0 91.5,868.1 121.1,905.0 136.1,1141.4 88.4,1201.0 88.8,1724.5 90.5,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087561926:08756_1926-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[666.0,600.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.2491648,35.2165147]}},{"type":"Feature","properties":{"resourceCoords":[1237.0,1736.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.2478905,35.2144393]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087561926:08756_1926-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shamrock, Texas | 1926 | sanborn08756_001 p2 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.51"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2436.0"},{"label":"split_canvas_w","value":"1459.2"},{"label":"split_canvas_h","value":"1028.0"}],"created":"2026-10-19T03:54:50Z","modified":"2026-10-19T03:54:50Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087561926:08756_1926-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087561926:08756_1926-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"18.6,853.5 354.4,845.0 345.4,619.2 16.4,622.3 18.6,853.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087561926:08756_1926-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,609.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-100.24992473861691,35.21800671713457]}},{"type":"Feature","properties":{"resourceCoords":[364.8,609.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-100.2491009898047,35.218000460519605]}},{"type":"Feature","properties":{"resourceCoords":[364.8,866.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-100.24910639070539,35.21752736530319]}},{"type":"Feature","properties":{"resourceCoords":[0.0,866.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-100.2499301395176,35.21753362191816]}},{"type":"Feature","properties":{"resourceCoords":[342.8,845.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.2491556,35.2175664]}},{"type":"Feature","properties":{"resourceCoords":[342.8,845.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.2491556,35.2175664]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087561926:08756_1926-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shamrock, Texas | 1926 | sanborn08756_001 p3 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.56"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"5474.4"}],"created":"2026-10-19T03:54:50Z","modified":"2026-10-19T03:54:50Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087561926:08756_1926-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087561926:08756_1926-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"36.0,625.8 44.8,893.2 338.8,1003.9 417.0,1026.2 417.0,1026.5 417.0,1033.3 426.9,1037.0 465.8,1359.1 1535.8,1366.2 1568.5,816.5 1320.0,768.6 1283.9,768.3 1283.9,768.1 1284.0,761.7 1275.0,760.0 1243.2,408.5 1286.7,349.6 1572.4,332.9 1573.8,8.2 664.9,13.6 664.7,39.1 402.0,161.7 402.0,207.4 402.0,273.9 402.0,274.0 161.3,274.0 98.3,303.4 101.3,624.2 36.0,625.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087561926:08756_1926-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[664.0,144.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.2491743,35.2141986]}},{"type":"Feature","properties":{"resourceCoords":[1232.0,1335.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.2479136,35.2119987]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087561926:08756_1926-0003__5/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Shamrock, Texas | 1926 | sanborn08756_001 p3 [5]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.61"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5187.2"},{"label":"split_canvas_w","value":"1668.0"},{"label":"split_canvas_h","value":"2464.8"}],"created":"2026-10-19T03:54:50Z","modified":"2026-10-19T03:54:50Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087561926:08756_1926-0003__5/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087561926:08756_1926-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"358.2,1832.7 356.6,1342.4 27.4,1343.4 50.9,1841.0 109.3,1782.2 168.1,1877.2 358.2,1832.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd403m:g4034m:g4034sm:g4034sm_g087561926:08756_1926-0003__5/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,1296.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-100.25065941562093,35.21207856630528]}},{"type":"Feature","properties":{"resourceCoords":[417.0,1296.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-100.24971827490737,35.212076090692015]}},{"type":"Feature","properties":{"resourceCoords":[417.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-100.24972276565255,35.21094025067083]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-100.25066390636611,35.210942726284095]}},{"type":"Feature","properties":{"resourceCoords":[94.0,1878.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-100.2504515,35.2110066]}}]}}]}