{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01644_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Nampa, Idaho | 1921 | 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":"46"},{"label":"placed","value":"35"},{"label":"unplaced","value":"11"},{"label":"fit sources","value":"georef 17, georef-snap 16, snap:0 2"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"9 sheet(s) cut into 22 panels"},{"label":"unplaced pages","value":"p24__2 (tier 1, 43.58084,-116.54886 +/-102m); p28__2 (tier 1, 43.57222,-116.54964 +/-100m); p32__3 (tier 1, 43.56585,-116.56477 +/-105m); p33__2 (tier 1, 43.58760,-116.54252 +/-100m); p34__1 (tier 1, 43.59261,-116.55996 +/-100m); p34__2 (tier 1, 43.59172,-116.56029 +/-100m); p34__3 (tier 1, 43.59253,-116.55827 +/-100m); p34__4 (tier 1, 43.59235,-116.55946 +/-100m); p3__2 (tier 1, 43.58447,-116.56774 +/-100m); p6 (tier 1, 43.57940,-116.56593 +/-268m); p8 (tier 1, 43.58241,-116.56231 +/-259m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p10","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0010/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0010","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1590.4,206.6 1594.3,866.0 1608.5,1325.4 1602.0,1325.4 1609.6,1864.1 651.9,1879.0 623.0,1912.0 542.8,1912.0 512.5,1879.7 47.4,1895.5 17.8,1853.2 6.1,464.2 54.8,78.7 322.9,87.4 459.9,159.0 867.1,17.4 1547.2,60.2 1591.7,18.4 1590.4,206.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1580.0,763.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5706070251944,43.5704156857581]}},{"type":"Feature","properties":{"resourceCoords":[1580.0,1874.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.56853815215302,43.56901113620616]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0011/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p11","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"9"},{"label":"confidence","value":"0.62"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0011/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0011","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"22.7,604.9 15.9,785.6 1.0,1379.2 1.0,1861.0 526.5,1875.3 1065.0,1887.0 1612.0,1907.3 1612.0,277.2 1098.0,273.6 1037.8,271.9 870.9,49.4 871.0,35.1 52.5,27.3 36.5,592.7 22.7,604.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0011/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1065.0,1887.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5675892,43.5712476]}},{"type":"Feature","properties":{"resourceCoords":[37.0,224.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.572707,43.5718777]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0012/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p12","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.75"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0012/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0012","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1187.5,85.7 441.6,99.6 1.0,101.2 1.0,1809.9 553.0,1810.0 1109.5,1812.1 1612.0,1811.3 1612.0,105.3 1128.4,102.1 1128.5,87.8 1187.5,86.7 1187.5,85.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0012/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[555.0,1243.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.566669,43.5734776]}},{"type":"Feature","properties":{"resourceCoords":[555.0,99.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5687922,43.5749072]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0013/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p13","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.54"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0013/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0013","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"43.6,199.9 1.0,199.7 1.0,1753.1 35.7,1753.0 34.6,1912.0 56.5,1912.0 57.0,1753.0 551.9,1751.5 1301.4,1752.8 1581.0,1751.0 1583.6,711.9 1587.4,207.0 1612.0,183.8 1612.0,1.0 1052.3,1.0 1052.0,88.1 558.8,181.3 558.7,202.2 43.6,199.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0013/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[557.0,1239.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.56372,43.575763]}},{"type":"Feature","properties":{"resourceCoords":[1582.0,1239.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5617745,43.5772736]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p14","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"13"},{"label":"confidence","value":"0.98"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0014/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0014","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"229.4,1805.5 1372.3,1807.1 1374.0,1239.0 1376.0,105.3 1308.2,109.5 1204.3,1.0 263.9,1.0 264.0,79.0 235.8,105.5 231.8,661.4 229.4,1805.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[805.0,665.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5618487,43.5787632]}},{"type":"Feature","properties":{"resourceCoords":[1374.0,1239.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5598072,43.5788073]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p15","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"7"},{"label":"confidence","value":"0.93"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0015/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0015","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"177.3,1239.2 174.7,104.8 228.9,101.1 710.0,100.0 710.1,115.9 1506.5,119.8 1500.6,381.5 1501.4,669.9 1506.6,835.9 1509.5,1234.7 1508.2,1524.7 1506.4,1749.8 714.5,1834.0 714.2,1818.9 448.8,1817.8 355.8,1806.2 177.9,1807.7 177.3,1239.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[710.0,100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5609798,43.5809455]}},{"type":"Feature","properties":{"resourceCoords":[1507.0,100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5596001,43.5820071]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p16","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.76"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0016/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0016","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"248.2,1800.2 530.5,1802.2 693.1,1798.8 1083.5,1799.9 1367.3,1804.1 1612.0,1808.5 1612.0,74.2 1388.5,72.0 825.0,66.8 599.2,66.9 543.8,66.9 545.5,1.0 533.0,1.0 532.0,66.7 30.9,59.1 1.0,58.8 1.0,59.8 23.9,83.3 25.9,1661.4 1.0,1661.7 1.0,1792.0 248.2,1800.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0016/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-116.55643746375533,43.584450025722006]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-116.55337906126097,43.58240619691815]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-116.55670181746471,43.579760123546386]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-116.55976021995907,43.58180395235024]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p17","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0017/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0017","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1344.4,1889.8 1612.0,1894.5 1612.0,254.4 1551.9,40.0 1534.5,84.8 97.4,15.0 35.7,32.2 5.2,137.3 1.0,123.9 1.0,1868.3 10.1,1868.3 234.1,1870.1 793.4,1879.9 1061.5,1884.8 1061.5,1912.0 1097.1,1912.0 1097.5,1885.4 1344.4,1889.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1067.0,762.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.55145080297521,43.583803443275166]}},{"type":"Feature","properties":{"resourceCoords":[1581.0,762.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.55046152374132,43.58315314689701]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0018__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p18 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.14"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5318.0"},{"label":"split_canvas_w","value":"2257.2"},{"label":"split_canvas_h","value":"2334.0"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0018__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"10.2,1890.5 304.6,1863.5 349.0,1910.6 373.4,1860.9 423.4,1876.1 404.1,1912.0 404.4,1912.0 506.1,1869.3 548.7,1906.2 545.1,1350.4 530.3,1350.5 530.3,1355.8 1.0,1467.4 1.0,1642.0 43.7,1689.4 127.9,1779.9 10.2,1890.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0018__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[530.3,1350.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5634589,43.5698669]}},{"type":"Feature","properties":{"resourceCoords":[530.3,1850.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5624136,43.5691522]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0018__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p18 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.85"},{"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":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0018__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0018","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"936.1,1912.0 1022.0,1912.0 1023.7,1816.3 1606.0,1704.1 1606.0,1698.3 1612.0,1698.3 1612.0,57.7 1083.5,46.8 538.9,44.2 1.0,38.4 1.0,562.0 7.8,562.0 32.9,920.6 136.3,1035.2 352.9,1275.2 402.2,1329.5 564.3,1329.5 562.9,1507.6 718.0,1678.2 781.1,1745.5 936.1,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0018__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1064.0,1154.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5654740872177,43.56980174483526]}},{"type":"Feature","properties":{"resourceCoords":[1064.0,40.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.56763690038225,43.571228951784484]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p19","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.78"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0019/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0019","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"550.0,102.0 1.0,105.3 1.0,1817.0 553.6,1814.0 884.2,1810.4 1457.6,1808.8 1612.0,1810.0 1612.0,96.8 1110.2,100.6 550.0,102.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0019/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[550.0,1243.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5635288,43.5713406]}},{"type":"Feature","properties":{"resourceCoords":[550.0,102.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5656201,43.5727664]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.75"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"95.8,30.8 35.0,68.9 76.3,368.8 21.5,546.5 66.2,727.0 22.4,1746.5 217.4,1891.5 433.1,1832.8 1583.3,1899.8 1581.8,1614.5 1579.6,1119.2 1580.6,1071.7 1574.4,527.8 1569.3,1.0 67.7,1.0 95.8,30.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1032.0,1601.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.57196441482454,43.57855129600034]}},{"type":"Feature","properties":{"resourceCoords":[1032.0,544.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5700439906584,43.58002373110304]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p20","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"confidence","value":"0.74"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0020/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0020","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1378.0,93.2 548.0,94.0 1.0,97.2 1.0,1814.4 547.0,1812.2 1119.1,1808.8 1607.0,1807.7 1605.8,1238.5 1612.0,1238.5 1612.0,788.3 1612.0,91.0 1378.0,93.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[548.0,1238.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5605911,43.573626]}},{"type":"Feature","properties":{"resourceCoords":[548.0,94.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5626872,43.5750507]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p21","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.96"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0021/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0021","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1374.2,102.3 1374.6,346.8 1373.0,1803.0 805.0,1808.0 255.8,1808.5 255.3,1912.0 230.8,1912.0 230.4,1808.5 149.5,1808.6 149.1,1242.9 155.2,1242.8 156.6,102.5 231.8,101.9 1374.2,102.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[805.0,670.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5586962,43.5766236]}},{"type":"Feature","properties":{"resourceCoords":[805.0,1808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5565957,43.5751995]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p22","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.91"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0022/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0022","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"152.7,339.4 150.1,94.0 328.4,91.5 421.8,102.5 687.9,102.0 688.2,117.1 1481.8,27.9 1481.7,53.9 1612.0,50.9 1612.0,115.5 1482.0,117.0 1503.2,1659.8 1515.1,1722.1 1528.5,1792.2 674.1,1799.8 674.6,1912.0 659.0,1912.0 658.4,1800.0 164.2,1801.0 152.7,339.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0022/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[692.0,93.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.55782106732876,43.578812286915465]}},{"type":"Feature","properties":{"resourceCoords":[692.0,661.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.55678538138828,43.57809736619349]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0023/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p23","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.90"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0023/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0023","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1512.6,1798.0 1573.7,1787.0 1612.0,1780.2 1612.0,479.0 1575.2,176.0 1612.0,67.1 1371.2,65.9 813.7,63.1 249.9,60.4 1.0,59.1 1.0,1801.3 1512.6,1798.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0023/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1080.0,1186.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5532965,43.579294]}},{"type":"Feature","properties":{"resourceCoords":[-18.0,59.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.553388,43.5822217]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0024__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p24 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.90"},{"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":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0024__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0024","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1612.0,167.3 1549.0,15.3 1598.9,1.0 56.4,1.0 52.8,273.1 45.7,816.0 42.5,1068.3 55.6,1153.7 48.4,1887.6 1252.7,1875.3 1252.5,1196.0 1476.7,981.1 1612.0,972.0 1612.0,797.0 1612.0,167.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0024__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[592.0,1073.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.54931391743554,43.580888442719484]}},{"type":"Feature","properties":{"resourceCoords":[45.0,36.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.55230662046303,43.581456484816805]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0025__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p25 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"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":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0025__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"31.4,667.1 58.0,905.1 28.8,1731.5 1.0,1745.0 1.0,1802.6 102.2,1912.0 159.1,1912.0 177.6,1891.3 818.5,1889.2 813.1,1883.3 964.0,1732.6 964.0,1696.5 977.4,1696.5 1000.1,1696.5 1022.8,1673.9 1062.2,1673.8 1062.0,1696.5 1254.3,1696.5 1254.3,1696.5 1253.8,1728.8 1606.4,1785.1 1606.8,1675.3 1612.0,1675.3 1612.0,44.7 1390.5,42.0 844.5,40.7 529.7,42.5 1.0,42.7 1.0,648.3 31.4,667.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0025__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[30.0,571.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.56235414863035,43.569241906817524]}},{"type":"Feature","properties":{"resourceCoords":[1573.0,1711.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.55736984258553,43.56991608534903]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0025__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p25 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.20"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3856.0"},{"label":"split_canvas_y","value":"6786.0"},{"label":"split_canvas_w","value":"1161.2"},{"label":"split_canvas_h","value":"866.0"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0025__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0025","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"964.0,1913.0 1251.2,1913.0 1254.3,1696.5 964.0,1696.5 964.0,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0025__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[964.0,1696.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-116.56089329927003,43.56883836543501]}},{"type":"Feature","properties":{"resourceCoords":[1254.3,1696.5],"type":"corner"},"geometry":{"type":"Point","coordinates":[-116.56036472714001,43.56924140048228]}},{"type":"Feature","properties":{"resourceCoords":[1254.3,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-116.55995140203065,43.568952812158095]}},{"type":"Feature","properties":{"resourceCoords":[964.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-116.56047997416066,43.56854977711083]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p26","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.84"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0026/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0026","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"556.5,102.0 1.0,103.8 1.0,1815.5 554.0,1813.0 1124.2,1810.1 1612.0,1810.4 1612.0,98.2 1127.3,99.0 556.5,102.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0026/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[554.0,1243.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5574484,43.5714832]}},{"type":"Feature","properties":{"resourceCoords":[554.0,1813.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5564011,43.5707723]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p27","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"},{"label":"confidence","value":"0.88"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0027/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0027","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1102.4,1905.7 1611.3,1880.7 1607.5,1113.0 1612.0,1108.8 1612.0,93.7 1119.6,92.3 550.4,99.6 1.0,102.3 1.0,1811.5 547.0,1808.0 1102.2,1806.3 1102.4,1905.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0027/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[547.0,1238.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5545127,43.5737672]}},{"type":"Feature","properties":{"resourceCoords":[547.0,1808.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5534668,43.5730523]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0028__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p28 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"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":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0028__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0028","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"66.2,1912.0 993.6,1912.0 970.2,1887.3 1024.7,1864.2 1040.5,1609.3 1040.5,1590.9 1041.7,1590.9 1041.7,1590.4 1610.0,1585.8 1611.5,38.1 43.5,65.3 21.5,1.0 21.2,1.0 31.7,1130.7 61.0,1125.2 66.2,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0028__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[609.0,1076.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.55210910689956,43.57711310121069]}},{"type":"Feature","properties":{"resourceCoords":[609.0,1581.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.55304377273767,43.57639936945468]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0029__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p29 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.96"},{"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":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0029__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0029","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"140.6,1103.3 81.2,1458.6 48.6,1457.9 47.1,1651.9 24.2,1651.5 24.1,1691.3 46.7,1714.3 46.5,1750.8 82.8,1751.0 233.8,1904.5 239.8,1899.0 242.5,1896.5 906.0,1844.8 905.4,1392.0 843.2,1198.2 911.5,722.7 911.5,702.0 914.5,702.0 915.0,698.3 1609.2,697.8 1612.0,289.4 1612.0,280.4 1508.1,240.8 1473.5,108.5 1560.0,87.0 1531.6,45.5 1561.0,18.6 585.6,6.3 165.1,1.0 76.7,1.0 35.9,6.1 33.0,554.1 29.9,1102.1 140.6,1103.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0029__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1146.0,550.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.55424581394725,43.569349621340706]}},{"type":"Feature","properties":{"resourceCoords":[40.0,1664.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.55835362008617,43.569211267128395]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0029__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p29 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.77"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3646.0"},{"label":"split_canvas_y","value":"2808.0"},{"label":"split_canvas_w","value":"2806.0"},{"label":"split_canvas_h","value":"4844.0"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0029__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0029","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"929.0,1374.4 911.5,1406.4 960.0,1421.0 949.1,1881.3 1588.9,1891.3 1610.0,824.0 1529.5,731.0 1009.6,727.1 956.9,840.8 945.4,1181.0 911.5,1184.2 937.8,1222.0 938.2,1374.3 929.0,1374.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0029__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1453.1,859.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5586248,43.566546]}},{"type":"Feature","properties":{"resourceCoords":[939.5,1886.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5614843,43.5675966]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p30","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0030/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0030","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"557.4,49.0 557.5,1.0 537.8,1.0 537.9,49.1 1.0,50.0 1.0,1566.4 26.1,1593.0 62.1,1888.9 626.5,1891.0 959.0,1801.1 1002.9,1837.4 1034.3,1788.4 1086.3,1884.9 1580.7,1894.9 1588.7,141.6 1612.0,140.4 1612.0,58.5 1612.0,45.4 1080.8,46.4 557.4,49.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0030/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[552.0,1698.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5512513259919,43.57015426283265]}},{"type":"Feature","properties":{"resourceCoords":[552.0,37.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.55444028376581,43.5723290305229]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0031/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p31","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.83"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0031/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0031","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1557.6,1912.0 1608.6,1884.3 1606.1,180.8 1612.0,173.2 1612.0,1.2 1583.2,1.0 1043.8,1.0 976.9,2.0 447.9,1.4 303.4,1.0 1.0,1.0 1.0,3.2 5.5,17.6 82.0,431.3 13.3,610.7 62.0,865.9 28.8,1769.4 160.1,1893.3 160.1,1912.0 711.7,1902.6 711.7,1905.2 1309.2,1912.0 1557.6,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0031/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[695.0,1058.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.56583343805517,43.56657897091326]}},{"type":"Feature","properties":{"resourceCoords":[695.0,22.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.56582935480321,43.56860529358288]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0032__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p32 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.66"},{"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":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0032__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0032","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"540.6,262.5 546.5,262.5 546.5,291.6 599.2,552.9 546.5,783.5 546.5,800.5 546.5,800.5 331.9,809.0 70.8,912.4 25.8,1843.2 1196.7,1893.9 1276.2,1813.4 1238.0,1151.8 1230.8,1151.9 1230.6,1151.9 1227.2,1152.0 1227.2,1024.2 1227.2,959.3 1276.5,958.5 1286.1,958.4 1612.0,931.7 1612.0,890.2 1606.7,52.1 1545.5,9.9 1305.3,10.0 675.5,5.9 675.5,3.2 94.1,16.0 95.7,258.0 539.1,255.2 540.6,262.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0032__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[682.0,271.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.56577939929673,43.564429978035825]}},{"type":"Feature","properties":{"resourceCoords":[113.0,271.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.56723660642287,43.56443672912539]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0032__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p32 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.43"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"1050.0"},{"label":"split_canvas_w","value":"2186.0"},{"label":"split_canvas_h","value":"2152.0"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0032__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0032","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"526.5,793.0 532.9,782.6 532.8,286.5 527.6,267.4 19.4,286.6 1.0,284.2 1.0,799.4 526.5,793.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0032__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[33.0,781.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5700904,43.5665761]}},{"type":"Feature","properties":{"resourceCoords":[527.5,286.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5686555,43.5676176]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0033__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p33 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.19"},{"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":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0033__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0033","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"66.2,1366.7 110.5,1854.0 1605.0,1869.6 1605.8,400.4 1501.8,274.8 1494.5,53.3 1241.7,53.1 1211.8,215.6 773.2,163.6 624.5,45.4 126.3,133.7 111.5,89.4 81.7,163.2 111.2,621.0 51.5,968.0 195.8,971.3 377.5,969.6 377.5,969.6 385.9,1322.6 377.5,1357.6 317.2,1358.1 116.2,1359.8 66.2,1366.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0033__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":[-116.54322970992465,43.589480848715574]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-116.53918944965837,43.589482514293806]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-116.53918674160387,43.58598726476629]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-116.54322700187016,43.58598559918806]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0003__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p3 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.55"},{"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":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0003__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1.0,725.1 1.0,1893.3 6.4,1912.0 1503.5,1912.0 1524.1,1892.4 1604.1,1892.4 1603.8,1640.4 1605.1,1372.7 1606.0,1177.5 1568.0,1206.1 1529.9,1159.2 1527.5,1133.6 1581.0,1118.6 1522.8,1106.7 843.3,1106.2 810.6,137.0 711.9,30.7 61.7,31.2 33.9,387.1 3.6,415.2 1.0,725.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0003__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[46.0,828.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.57001889464118,43.58156407098297]}},{"type":"Feature","properties":{"resourceCoords":[1583.0,1374.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.56612118632258,43.583037156881865]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0003__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p3 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.31"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3378.8"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3073.2"},{"label":"split_canvas_h","value":"4422.0"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0003__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"879.3,325.5 878.6,1067.3 1612.0,1039.8 1612.0,991.1 1589.3,990.3 1611.8,495.0 1530.8,323.4 1533.1,113.8 1449.0,34.1 1178.2,29.8 1119.6,242.6 1007.6,228.4 879.3,325.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0003__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[878.7,529.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5660832,43.5830705]}},{"type":"Feature","properties":{"resourceCoords":[878.7,1073.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5650588,43.5823785]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p4","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"15"},{"label":"confidence","value":"0.78"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"14.3,298.9 32.0,300.4 8.7,1525.5 50.8,1833.1 209.8,1896.1 1371.8,1901.3 1371.8,1912.0 1376.5,1912.0 1385.9,1912.0 1605.2,1744.7 1606.4,1684.9 1605.7,1127.3 1612.0,706.0 1612.0,1.0 20.7,1.0 20.4,17.1 14.3,298.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0004/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[556.0,570.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5708506,43.5763168]}},{"type":"Feature","properties":{"resourceCoords":[556.0,31.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.569888,43.5770958]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0005/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p5","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"confidence","value":"0.72"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0005/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"447.6,102.1 1.0,102.9 1.0,1810.5 499.9,1811.0 1068.7,1811.5 1068.7,1788.4 1612.0,1683.8 1612.0,94.5 1068.7,98.4 497.5,103.3 447.6,102.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0005/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1068.0,1240.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5668765,43.5779046]}},{"type":"Feature","properties":{"resourceCoords":[1068.0,671.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.5679212,43.5786158]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1476.5,1852.4 1609.4,1850.7 1577.5,125.7 1450.1,43.1 900.9,24.0 900.9,73.5 153.7,101.6 153.7,107.8 68.4,108.1 45.4,130.0 1.0,130.1 1.0,1745.3 79.3,1827.2 147.0,1823.0 201.2,1819.5 681.5,1820.8 681.5,1836.7 1476.7,1844.3 1476.5,1852.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0007/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[683.0,1819.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.56098043852687,43.58094969223309]}},{"type":"Feature","properties":{"resourceCoords":[1517.0,1263.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.56057037674844,43.582761997559594]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0009/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Nampa, Idaho | 1921 | sanborn01644_006 p9","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.72"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T04:58:48Z","modified":"2026-10-19T04:58:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0009/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1075.1,1880.4 1075.3,1902.7 192.9,1841.5 48.9,1878.0 53.1,29.5 1509.0,17.1 1612.0,48.1 1612.0,1882.9 1111.8,1880.5 1075.1,1880.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd427m:g4274m:g4274nm:g016441921:01644_1921-0009/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1588.0,1880.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.55558657855275,43.58371968792531]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,187.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-116.55259257710236,43.58602261659007]}}]}}]}