{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn02597_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Cedar Rapids, Iowa | 1949 | 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":"98"},{"label":"placed","value":"61"},{"label":"unplaced","value":"37"},{"label":"fit sources","value":"georef 35, georef-snap 20, snap:0 4, georef-street 1, snap:2 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"13 sheet(s) cut into 34 panels"},{"label":"unplaced pages","value":"p0 (tier 4, 41.98502,-91.65235 +/-6924m); p11 (tier 1, 41.98533,-91.65646 +/-254m); p112__1 (tier 4, 41.98502,-91.65235 +/-6924m); p112__2 (tier 4, 41.98502,-91.65235 +/-6924m); p112__3 (tier 4, 41.98502,-91.65235 +/-6924m); p12 (tier 1, 41.97704,-91.66686 +/-268m); p124__2 (tier 1, 42.00950,-91.64207 +/-104m); p124__3 (tier 1, 42.00797,-91.62822 +/-100m); p124__4 (tier 2, 42.00470,-91.63787 +/-354m); p127 (tier 1, 42.01835,-91.63780 +/-258m); p13__1 (tier 2, 41.98652,-91.64775 +/-1543m); p13__3 (tier 1, 41.98295,-91.63333 +/-100m); p13__4 (tier 1, 42.00168,-91.63939 +/-100m); p1__1 (tier 1, 41.98517,-91.65445 +/-219m); p1__2 (tier 1, 41.98170,-91.66736 +/-114m); p1__3 (tier 1, 41.98594,-91.65629 +/-173m); p23 (tier 1, 41.98027,-91.66141 +/-257m); p28 (tier 1, 41.98106,-91.65869 +/-256m); p40 (tier 1, 41.96814,-91.67772 +/-228m); p43__2 (tier 2, 41.97153,-91.66139 +/-170m); p44 (tier 1, 41.97281,-91.68404 +/-223m); p47 (tier 1, 41.97852,-91.64881 +/-254m); p48__2 (tier 1, 41.99313,-91.64073 +/-100m); p48__3 (tier 2, 41.98229,-91.64690 +/-1142m); p50 (tier 2, 41.98636,-91.63996 +/-6302m); p51 (tier 1, 41.97315,-91.65318 +/-254m); p53__2 (tier 1, 41.97008,-91.66707 +/-112m); p54 (tier 2, 41.96905,-91.65231 +/-100m); p56 (tier 2, 41.97192,-91.64845 +/-100m); p57 (tier 2, 41.99392,-91.65363 +/-283m); p58 (tier 2, 41.99356,-91.65871 +/-434m); p59 (tier 3, 41.98733,-91.66956 +/-860m); p5__1 (tier 1, 41.98877,-91.65804 +/-132m); p5__2 (tier 1, 41.99229,-91.65554 +/-254m); p5__3 (tier 1, 41.99301,-91.65704 +/-100m); p60__2 (tier 1, 42.00604,-91.63733 +/-100m); p7 (tier 1, 41.99061,-91.68768 +/-256m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0010/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p10","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0010/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0010/info.json","type":"ImageService2","height":7796,"width":6376},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1292.9,6346.6 2619.1,5239.9 1054.9,3313.9 832.2,3502.7 -0.0,2485.1 -0.0,-0.0 6376.0,0.0 6376.0,3602.8 6376.0,7651.4 4225.8,7706.8 4229.0,6378.0 1410.4,6424.4 1292.9,6346.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0010/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2680.0,6436.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6445054,41.988785]}},{"type":"Feature","properties":{"resourceCoords":[6152.0,6436.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6403818,41.9886616]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0113/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p113","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0113/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0113/info.json","type":"ImageService2","height":7796,"width":6416},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2207.3,7023.8 1658.7,6615.7 1723.7,7796.0 606.6,7796.0 576.5,7266.9 -0.0,7272.4 -0.0,6128.9 1469.2,6120.2 1467.7,5939.7 2536.1,5932.4 2472.9,4951.5 3052.2,4944.5 3038.0,2627.9 2416.5,2634.0 2415.8,2104.2 343.6,2118.2 336.1,358.9 4188.0,262.8 6416.0,619.0 6416.0,7614.0 5214.4,7796.0 3466.6,7796.0 2989.4,7356.9 2207.3,7023.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0113/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64311369646481,41.9879473179624]}},{"type":"Feature","properties":{"resourceCoords":[6416.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.63540032502719,41.98765688576054]}},{"type":"Feature","properties":{"resourceCoords":[6416.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.6358717555862,41.98064093985016]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64358512702381,41.98093137205202]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0114/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p114","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0114/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0114/info.json","type":"ImageService2","height":7796,"width":6500},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5111.2,0.0 5114.4,170.5 6500.0,269.6 6500.0,7796.0 -0.0,7796.0 -0.0,5364.9 608.7,4150.9 -0.0,3850.2 -0.0,-0.0 5111.2,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0114/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.6668960933685,41.99972182176179]}},{"type":"Feature","properties":{"resourceCoords":[6500.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65901093576572,41.99971099012946]}},{"type":"Feature","properties":{"resourceCoords":[6500.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65902829374956,41.99263280437349]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.66691345135234,41.99264363600582]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0115__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p115 [1]","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"15"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6416.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0115__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0115/info.json","type":"ImageService2","height":7796,"width":6416},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,5072.9 -0.0,7796.0 2898.2,7796.0 2886.1,6946.1 3757.6,6993.9 3793.0,7272.9 3915.4,7050.2 4286.6,6967.2 6416.0,7038.7 6416.0,3752.0 6228.0,3299.3 6416.0,3264.5 6416.0,2956.5 6022.6,2938.7 5752.1,2612.4 4810.0,2112.3 4704.4,2025.6 4288.4,2025.4 4296.9,2860.6 3190.8,2810.6 3184.4,2281.7 2613.4,2261.3 2664.2,1121.1 2559.7,1117.4 2548.9,2757.1 162.8,2740.9 196.9,4421.4 -0.0,4414.5 -0.0,4592.8 164.7,4658.2 -0.0,5072.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0115__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5296.0,5972.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6403198,41.9780395]}},{"type":"Feature","properties":{"resourceCoords":[176.0,3296.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6465204,41.9804803]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0115__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p115 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"3326.4"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3089.6"},{"label":"split_canvas_h","value":"2026.0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0115__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0115/info.json","type":"ImageService2","height":7796,"width":6416},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6416.0,635.9 6188.4,0.0 3326.4,-0.0 3328.4,2025.2 6416.0,2026.0 6416.0,635.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0115__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[3326.4,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64841423810482,41.978283230698516]}},{"type":"Feature","properties":{"resourceCoords":[6416.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64770101237637,41.97959741799502]}},{"type":"Feature","properties":{"resourceCoords":[6416.0,2026.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64654299521172,41.97925059226016]}},{"type":"Feature","properties":{"resourceCoords":[3326.4,2026.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64725622094016,41.97793640496365]}},{"type":"Feature","properties":{"resourceCoords":[6188.2,0.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6477539,41.9795006]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0116/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p116","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0116/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0116/info.json","type":"ImageService2","height":7796,"width":6500},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"357.1,7244.4 478.4,292.9 3841.5,898.5 3952.0,1210.3 6500.0,1153.5 6500.0,6861.2 4437.9,6899.2 4266.4,6785.4 2555.3,6865.5 2577.5,7394.5 357.1,7244.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0116/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.63600513440389,41.98737941699309]}},{"type":"Feature","properties":{"resourceCoords":[6500.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.62813745479481,41.98718607419925]}},{"type":"Feature","properties":{"resourceCoords":[6500.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.62844723124051,41.98012219585416]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.63631491084959,41.980315538648]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0117/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p117","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0117/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0117/info.json","type":"ImageService2","height":7796,"width":6416},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 -0.0,0.0 6151.5,-0.0 5910.0,300.4 6416.0,680.2 6416.0,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0117/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.63843811116452,42.00351313643894]}},{"type":"Feature","properties":{"resourceCoords":[6416.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.63378956010564,41.99894502350813]}},{"type":"Feature","properties":{"resourceCoords":[6416.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64120629614546,41.994717786823315]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64585484720433,41.99928589975413]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0118/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p118","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0118/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0118/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"808.0,6728.7 966.9,0.0 6524.0,0.0 6524.0,7544.3 2535.9,6766.4 808.0,6728.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0118/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64101286442548,41.993663664620726]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.6331503934731,41.993564059546564]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.6333094108166,41.98653152653691]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64117188176897,41.98663113161107]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0119/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p119","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0119/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0119/info.json","type":"ImageService2","height":7796,"width":6424},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1706.2,7193.7 1668.0,0.0 6424.0,0.0 6424.0,7796.0 3416.1,7796.0 3319.4,7505.5 1706.2,7193.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0119/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.635147,41.9931608]}},{"type":"Feature","properties":{"resourceCoords":[6424.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.6274952,41.993035]}},{"type":"Feature","properties":{"resourceCoords":[6424.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.62770069999999,41.986133]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.6353525,41.9862588]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0120/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p120","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0120/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0120/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5557.8,4326.5 1201.4,7539.2 582.3,7331.2 956.9,4931.9 812.0,4927.2 888.9,3213.2 1212.6,2743.8 914.1,2625.0 1021.4,147.1 1289.6,157.8 1289.8,-0.0 6524.0,-0.0 6524.0,5198.0 6164.6,4710.7 5542.0,4705.5 5557.8,4326.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0120/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.62882830363858,42.004247915435656]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.62870609018742,41.99831541349084]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.63817886430782,41.99820611970444]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.63830107775898,42.004138621649254]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0121/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p121","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0121/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0121/info.json","type":"ImageService2","height":7796,"width":6424},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6424.0,7796.0 385.0,7796.0 260.8,6893.8 533.6,4337.9 -0.0,4335.3 -0.0,2608.6 122.7,2441.2 185.5,224.2 -0.0,224.0 -0.0,0.0 6424.0,-0.0 6424.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0121/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.62797708811786,41.9811372460615]}},{"type":"Feature","properties":{"resourceCoords":[6424.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.62786894350077,41.97536009004889]}},{"type":"Feature","properties":{"resourceCoords":[6424.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.6372339735593,41.97526183781717]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.63734211817639,41.981038993829785]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0122__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p122 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2962.4"},{"label":"split_canvas_w","value":"6524.0"},{"label":"split_canvas_h","value":"4833.6"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0122__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0122/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"485.2,6394.6 562.9,6767.3 784.2,6892.9 504.3,6924.4 444.1,7796.0 4896.0,7796.0 5776.0,7796.0 6524.0,7796.0 6524.0,2963.2 646.2,2962.5 485.2,6394.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0122__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2456.0,4861.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6396709,41.9753814]}},{"type":"Feature","properties":{"resourceCoords":[4440.0,6872.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6420895,41.9735767]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0122__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p122 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6524.0"},{"label":"split_canvas_h","value":"2963.2"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0122__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0122/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4702.6,2532.2 4726.6,1254.5 6524.0,1206.7 6524.0,1101.3 737.9,1259.9 695.7,2581.5 998.0,2577.8 1034.4,2761.9 1816.9,2425.7 2208.1,2579.3 4702.6,2532.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0122__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[752.0,1335.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6373979,41.9806843]}},{"type":"Feature","properties":{"resourceCoords":[2416.0,2643.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.639054,41.9791737]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0123/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p123","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0123/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0123/info.json","type":"ImageService2","height":7796,"width":6424},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"619.4,7796.0 617.3,7537.9 424.7,7555.8 -0.0,7443.3 -0.0,0.0 6424.0,-0.0 6424.0,1001.9 5842.6,1447.0 6424.0,2218.7 6424.0,7796.0 619.4,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0123/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64835973747378,42.0000157828205]}},{"type":"Feature","properties":{"resourceCoords":[6424.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64831382166733,41.994343664954535]}},{"type":"Feature","properties":{"resourceCoords":[6424.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65751150162266,41.994301962485736]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65755741742912,41.9999740803517]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0124__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p124 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"8"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6524.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0124__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0124/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2321.7,7115.8 2326.7,7116.1 2327.4,7109.3 4057.8,5129.5 4469.0,5493.9 4529.8,4935.8 6524.0,4820.9 6524.0,4448.8 6065.0,2377.2 4889.3,2389.5 2570.0,2772.5 2029.8,0.0 -0.0,0.0 -0.0,7796.0 1727.2,7796.0 2321.7,7115.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0124__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3200.0,2668.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6389442,42.0062432]}},{"type":"Feature","properties":{"resourceCoords":[6328.0,7384.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6359033,42.0007034]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0125/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p125","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0125/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0125/info.json","type":"ImageService2","height":7796,"width":6424},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2708.2,7721.6 2233.8,7395.3 503.1,7319.8 485.5,4324.1 2852.8,4410.2 2858.1,3114.6 2302.7,3093.6 2344.1,1584.4 2386.2,1471.2 3006.4,1070.3 3021.0,337.3 2388.9,320.1 2203.8,317.4 2316.2,0.0 6424.0,0.0 6424.0,7796.0 5319.3,7796.0 5329.8,7525.1 2827.7,7420.0 2708.2,7721.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0125/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.63552999771515,42.01002596316346]}},{"type":"Feature","properties":{"resourceCoords":[6424.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.62779909751289,42.01010774489046]}},{"type":"Feature","properties":{"resourceCoords":[6424.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.62766646793764,42.0030870748566]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.6353973681399,42.0030052931296]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0126/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p126","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0126/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0126/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1385.8,7796.0 1395.0,7310.7 -0.0,7184.4 -0.0,-0.0 6524.0,0.0 6524.0,6810.1 2958.8,6771.0 2950.2,6793.4 2852.1,7143.2 2859.4,7375.3 2606.3,7374.6 2601.7,7796.0 1385.8,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0126/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.66083938484554,42.00602622640744]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65299115627907,42.00612622867963]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65283147205926,41.99910787474352]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.66067970062574,41.99900787247133]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0013__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p13 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5821.6"},{"label":"split_canvas_w","value":"2162.4"},{"label":"split_canvas_h","value":"1974.4"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0013__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0013/info.json","type":"ImageService2","height":7796,"width":6492},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2162.4,7796.0 2162.4,5821.6 0.0,5830.4 -0.0,7796.0 2162.4,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0013__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,5821.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.71654561982838,41.95728768959466]}},{"type":"Feature","properties":{"resourceCoords":[2162.4,5821.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.71522170132997,41.95741493615448]}},{"type":"Feature","properties":{"resourceCoords":[2162.4,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.71506529207669,41.95651687848698]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.7163892105751,41.95638963192716]}},{"type":"Feature","properties":{"resourceCoords":[223.8,7596.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.716268,41.9564937]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0014/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p14","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"10"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0014/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0014/info.json","type":"ImageService2","height":7796,"width":6376},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"928.6,7391.4 943.1,3839.5 -0.0,3857.4 -0.0,-0.0 6376.0,0.0 6376.0,7796.0 6291.2,7384.3 928.6,7391.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0014/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[936.0,5056.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6642697,41.9812728]}},{"type":"Feature","properties":{"resourceCoords":[5432.0,5056.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6620222,41.9825544]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0015/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p15","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0015/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0015/info.json","type":"ImageService2","height":7796,"width":6492},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6492.0,7796.0 -0.0,7796.0 0.0,0.0 6492.0,0.0 6492.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0015/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5600.0,7488.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6838679,41.9715341]}},{"type":"Feature","properties":{"resourceCoords":[5600.0,5056.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6845192,41.9725238]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0016/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p16","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0016/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0016/info.json","type":"ImageService2","height":7796,"width":6376},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5459.8,7796.0 -0.0,7796.0 -0.0,-0.0 5103.9,0.0 5287.6,1519.4 5143.3,1903.9 4829.7,2139.5 5217.7,2241.9 5429.6,2683.6 5087.0,3886.9 5459.8,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0016/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3116.0,5044.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6587291,41.9844592]}},{"type":"Feature","properties":{"resourceCoords":[5424.0,7464.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6569588,41.984083]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0017/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p17","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0017/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0017/info.json","type":"ImageService2","height":7796,"width":6468},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1010.4,3254.8 941.6,2902.3 537.6,2699.4 845.0,2525.3 1018.4,2198.5 1030.2,820.1 -0.0,686.8 -0.0,-0.0 5255.1,0.0 5161.6,5138.8 5745.2,5137.3 5716.3,7796.0 448.0,7796.0 565.1,4290.0 1010.4,3254.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0017/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5120.0,7524.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6547032,41.9853824]}},{"type":"Feature","properties":{"resourceCoords":[452.0,7524.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6569588,41.984083]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0018/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p18","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0018/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0018/info.json","type":"ImageService2","height":7796,"width":6436},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5195.1,7796.0 4849.7,7510.9 1431.8,7528.7 1211.5,7796.0 1023.8,7796.0 1025.3,7530.9 -0.0,7536.2 -0.0,3425.5 6132.9,3352.1 6086.7,7796.0 5195.1,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0018/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2792.0,2768.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6539384,41.9871987]}},{"type":"Feature","properties":{"resourceCoords":[6128.0,7488.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6505452,41.9863994]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0019/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p19","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"17"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0019/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0019/info.json","type":"ImageService2","height":7796,"width":6468},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5665.1,0.0 5663.5,340.5 6468.0,335.4 6468.0,2723.8 5992.1,2727.3 5964.2,7442.5 365.8,7477.1 101.7,7796.0 -0.0,7796.0 125.2,0.0 5665.1,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0019/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3416.0,7452.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6489037,41.9873404]}},{"type":"Feature","properties":{"resourceCoords":[5700.0,2728.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6495487,41.9897162]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0002/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0002/info.json","type":"ImageService2","height":7796,"width":6404},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6404.0,7796.0 -0.0,7796.0 -0.0,399.2 6003.7,484.3 5912.4,5938.7 5912.0,5969.9 6404.0,5976.0 6404.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0002/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.66454195068854,41.98183985832419]}},{"type":"Feature","properties":{"resourceCoords":[6404.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.66211742523937,41.979548224892405]}},{"type":"Feature","properties":{"resourceCoords":[6404.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.66584398953192,41.977338672557764]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.6682685149811,41.97963030598955]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0020/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p20","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"12"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0020/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0020/info.json","type":"ImageService2","height":7796,"width":6436},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3032.9,7442.0 3206.6,7796.0 2278.7,7796.0 2567.4,7447.7 -0.0,7479.2 -0.0,2779.1 474.2,2772.8 460.1,392.5 5769.8,335.6 5773.8,2685.9 6329.9,2675.2 6322.2,7401.5 3032.9,7442.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0020/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3032.0,7440.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6461476,41.9889131]}},{"type":"Feature","properties":{"resourceCoords":[3032.0,2740.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6479063,41.9906557]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0021/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p21","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0021/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0021/info.json","type":"ImageService2","height":7796,"width":6468},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6468.0,0.0 6468.0,6311.2 2074.4,6322.2 64.6,6149.4 0.0,-0.0 6468.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0021/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2576.0,3976.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6689434,41.977209]}},{"type":"Feature","properties":{"resourceCoords":[4928.0,3976.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6677975,41.9778636]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0022/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p22","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0022/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0022/info.json","type":"ImageService2","height":7796,"width":6436},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6436.0,6371.8 -0.0,6331.1 0.0,-0.0 6436.0,-0.0 6436.0,6371.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0022/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.67183293386682,41.97628947011202]}},{"type":"Feature","properties":{"resourceCoords":[6436.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.67013250554547,41.97366921097928]}},{"type":"Feature","properties":{"resourceCoords":[6436.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.67437183396056,41.97212709477375]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.67607226228192,41.97474735390649]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0024/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p24","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0024/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0024/info.json","type":"ImageService2","height":7796,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3195.0,6277.3 3207.8,7796.0 -0.0,7796.0 -0.0,1616.9 5489.4,1601.8 5493.6,6255.1 3195.0,6277.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0024/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3200.0,3964.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6627328,41.9780703]}},{"type":"Feature","properties":{"resourceCoords":[3200.0,1608.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6636086,41.9789195]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0025/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p25","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0025/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0025/info.json","type":"ImageService2","height":7796,"width":6436},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6356.3,1700.2 6436.0,6259.0 3011.1,6265.8 2479.0,5842.1 580.9,5842.7 580.8,7796.0 -0.0,7796.0 -0.0,1529.0 1994.8,1703.9 6356.3,1700.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0025/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4784.0,4000.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6660738,41.9761672]}},{"type":"Feature","properties":{"resourceCoords":[4784.0,6264.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6652178,41.9753425]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0026/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p26","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"7"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0026/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0026/info.json","type":"ImageService2","height":7796,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,7796.0 -0.0,7796.0 -0.0,1558.0 676.4,1567.8 6335.5,1572.0 6319.8,-0.0 6452.0,-0.0 6452.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0026/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[888.0,1568.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6750557,41.9746845]}},{"type":"Feature","properties":{"resourceCoords":[5376.0,1568.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6738524,41.9728103]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0027/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p27","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0027/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0027/info.json","type":"ImageService2","height":7796,"width":6436},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"964.2,421.3 6436.0,471.0 6436.0,7796.0 4082.7,7796.0 4086.9,7364.7 943.5,7345.5 964.2,421.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0027/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.66400552662121,41.98028334772081]}},{"type":"Feature","properties":{"resourceCoords":[6436.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.66087778772079,41.9821057165609]}},{"type":"Feature","properties":{"resourceCoords":[6436.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65792910751937,41.979269426201434]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.66105684641978,41.97744705736134]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0029/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p29","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0029/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0029/info.json","type":"ImageService2","height":7796,"width":6436},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7345.0 0.0,0.0 5214.6,714.7 5140.1,7319.8 -0.0,7345.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0029/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1160.0,5068.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6571926,41.9812507]}},{"type":"Feature","properties":{"resourceCoords":[1160.0,432.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6589426,41.9829388]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p3","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0003/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0003/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2304.1,5125.7 517.5,5165.6 607.0,1938.7 3039.1,1878.9 3093.3,-0.0 6524.0,-0.0 6524.0,4966.8 2301.7,5008.5 2304.1,5125.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0003/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64358974841711,41.98377021495462]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64363506556424,41.980955331903836]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64812885513518,41.980995866508515]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64808353798806,41.9838107495593]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0030/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p30","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0030/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0030/info.json","type":"ImageService2","height":7796,"width":6476},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"195.4,7398.7 182.6,720.9 5434.5,671.2 5446.3,2768.1 6476.0,2758.9 6476.0,3503.6 3881.3,7024.6 4298.1,7337.8 195.4,7398.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0030/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65721355921139,41.98419734138123]}},{"type":"Feature","properties":{"resourceCoords":[6476.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65405196009453,41.98598325550282]}},{"type":"Feature","properties":{"resourceCoords":[6476.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65117994408412,41.98313413710551]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65434154320097,41.98134822298392]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0031__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p31 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"16"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6460.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0031__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0031/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6460.0,2687.4 6422.0,2687.6 6258.8,2688.3 6272.1,621.4 3137.5,3249.4 3134.0,4672.0 1453.5,4661.3 -0.0,5879.9 -0.0,7397.0 6460.0,7400.0 6460.0,2687.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0031__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3992.0,5140.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6479088,41.9867427]}},{"type":"Feature","properties":{"resourceCoords":[3992.0,7400.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6479678,41.9857019]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0031__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p31 [2]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3145.6"},{"label":"split_canvas_h","value":"4672.0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0031__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0031/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 0.0,4652.0 3134.0,4672.0 3145.6,0.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0031__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64832241319824,42.01396857072845]}},{"type":"Feature","properties":{"resourceCoords":[3145.6,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64638293229423,42.013961075942035]}},{"type":"Feature","properties":{"resourceCoords":[3145.6,4672.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64639792452529,42.01182006397068]}},{"type":"Feature","properties":{"resourceCoords":[0.0,4672.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.6483374054293,42.0118275587571]}},{"type":"Feature","properties":{"resourceCoords":[216.1,400.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6481905,42.0137847]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0032/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p32","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0032/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0032/info.json","type":"ImageService2","height":7796,"width":6476},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6080.0,7352.0 234.2,7391.2 203.7,2622.6 -0.0,2624.8 -0.0,992.7 711.4,391.0 6048.4,238.9 6080.0,7352.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0032/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3048.0,376.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6445054,41.988785]}},{"type":"Feature","properties":{"resourceCoords":[6080.0,7352.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6428561,41.9855427]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0033/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p33","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0033/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0033/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"382.4,7344.7 143.6,2792.9 -0.0,2722.1 -0.0,2166.9 2628.3,0.0 3776.2,0.0 3774.1,510.9 6048.2,512.9 6055.5,7310.9 382.4,7344.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0033/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65277975694192,41.9860875376357]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64880863285559,41.98596492988051]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64900629452558,41.98237746578333]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65297741861191,41.98250007353852]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0034/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p34","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0034/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0034/info.json","type":"ImageService2","height":7796,"width":6476},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7336.7 -0.0,439.5 6476.0,454.4 6476.0,5036.5 4285.9,5037.3 4370.9,6733.9 407.9,6924.1 407.4,7334.9 -0.0,7336.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0034/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2232.0,5040.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6478245,41.9836097]}},{"type":"Feature","properties":{"resourceCoords":[4492.0,452.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6463335,41.9856498]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0035/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p35","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0035/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0035/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6460.0,7354.7 1564.2,7350.3 1438.5,5049.1 4421.3,5051.1 4524.3,6994.8 6460.0,6997.6 6460.0,7354.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0035/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64545703312871,41.98584380624288]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64152956247268,41.98572021846399]}},{"type":"Feature","properties":{"resourceCoords":[6460.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.6417288033956,41.98217217806451]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64565627405162,41.9822957658434]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0036/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p36","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0036/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0036/info.json","type":"ImageService2","height":7796,"width":6492},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,286.7 2434.6,403.3 2454.5,0.0 6492.0,0.0 6418.1,7228.8 6030.8,7210.9 6026.1,7558.7 5067.8,7166.4 4390.4,7135.0 4115.6,7796.0 5.8,7796.0 -0.0,286.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0036/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65049797027065,41.98277899229481]}},{"type":"Feature","properties":{"resourceCoords":[6492.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64649274174035,41.98280314560112]}},{"type":"Feature","properties":{"resourceCoords":[6492.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64645399699567,41.97920252198699]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65045922552598,41.979178368680685]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0037/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p37","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0037/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0037/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 0.0,-0.0 1903.9,0.0 2151.6,317.6 2551.1,428.4 5873.1,419.6 5873.0,0.0 6460.0,0.0 6451.1,7256.3 5525.6,7251.0 5523.7,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0037/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1876.0,5008.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.664633,41.9730218]}},{"type":"Feature","properties":{"resourceCoords":[4216.0,424.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6652178,41.9753425]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0038/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p38","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0038/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0038/info.json","type":"ImageService2","height":7796,"width":6492},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 -0.0,4963.9 924.6,4972.3 927.7,0.0 5484.2,0.0 5457.2,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0038/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.66387290670991,41.97504273198622]}},{"type":"Feature","properties":{"resourceCoords":[6492.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.66070610409899,41.9768720898371]}},{"type":"Feature","properties":{"resourceCoords":[6492.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65777179193856,41.97402500775585]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.66093859454948,41.97219564990497]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0039/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p39","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"12"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0039/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0039/info.json","type":"ImageService2","height":7796,"width":6460},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6460.0,7292.6 996.6,7347.0 1007.2,2754.0 1005.5,2551.5 998.5,1687.1 979.1,468.0 6460.0,397.6 6460.0,7292.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0039/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3296.0,5024.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6590692,41.9762217]}},{"type":"Feature","properties":{"resourceCoords":[3296.0,2744.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6599092,41.9770463]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0004/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0004/info.json","type":"ImageService2","height":7796,"width":6376},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6376.0,7796.0 -0.0,7796.0 -0.0,-0.0 6376.0,0.0 6376.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.69450284199819,41.97723782863729]}},{"type":"Feature","properties":{"resourceCoords":[6376.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.69069448912056,41.977249992436995]}},{"type":"Feature","properties":{"resourceCoords":[6376.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.69067462300411,41.97376388706229]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.69448297588174,41.97375172326259]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0041/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p41","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0041/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0041/info.json","type":"ImageService2","height":7796,"width":6484},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 603.1,0.0 600.3,210.1 5771.8,290.5 5578.2,7796.0 -0.0,7796.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0041/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65727009513604,41.979999581813416]}},{"type":"Feature","properties":{"resourceCoords":[6484.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65415686994352,41.98185879374613]}},{"type":"Feature","properties":{"resourceCoords":[6484.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.6511708650093,41.97905654578575]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65428409020183,41.97719733385304]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0042/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p42","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0042/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0042/info.json","type":"ImageService2","height":7796,"width":6492},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4079.7,218.3 6491.6,2205.0 2340.0,7796.0 -0.0,7796.0 -0.0,274.3 4079.7,218.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0042/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65448906663138,41.981650664982624]}},{"type":"Feature","properties":{"resourceCoords":[6492.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65131236459334,41.98344931515258]}},{"type":"Feature","properties":{"resourceCoords":[6492.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.6484271093146,41.98059352968633]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65160381135264,41.97879487951637]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0043__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p43 [1]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3686.0"},{"label":"split_canvas_w","value":"1616.4"},{"label":"split_canvas_h","value":"4110.0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0043__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0043/info.json","type":"ImageService2","height":7796,"width":6484},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 1616.4,7796.0 1579.2,3686.0 0.0,3687.2 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0043__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,3686.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.66705852704834,41.99628327058109]}},{"type":"Feature","properties":{"resourceCoords":[1616.4,3686.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.66616687700142,41.99595207729071]}},{"type":"Feature","properties":{"resourceCoords":[1616.4,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.6673013129715,41.99426661330442]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.66819296301843,41.9945978065948]}},{"type":"Feature","properties":{"resourceCoords":[88.0,6544.6],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6677989,41.9950931]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0045/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p45","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0045/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0045/info.json","type":"ImageService2","height":7796,"width":6484},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"438.0,3281.9 416.0,426.4 5913.3,375.5 5904.2,7796.0 -0.0,7796.0 -0.0,3287.2 438.0,3281.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0045/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2764.0,5028.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6565144,41.9737396]}},{"type":"Feature","properties":{"resourceCoords":[2764.0,432.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6581967,41.9753887]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0046/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p46","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"9"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0046/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0046/info.json","type":"ImageService2","height":7796,"width":6484},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4366.3,0.0 4386.7,1248.1 6484.0,1198.7 6484.0,7533.3 6363.2,7443.4 6070.1,7796.0 -0.0,7776.0 -0.0,2762.4 52.6,0.0 4366.3,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0046/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1476.0,5032.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6542909,41.97501]}},{"type":"Feature","properties":{"resourceCoords":[1476.0,2744.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6551484,41.9758424]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0048__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p48 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6484.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0048__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0048/info.json","type":"ImageService2","height":7796,"width":6484},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"796.1,6841.5 5735.0,2901.7 5793.9,-0.0 -0.0,0.0 -0.0,5890.4 796.1,6841.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0048__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3632.0,856.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6496115,41.976442]}},{"type":"Feature","properties":{"resourceCoords":[2308.0,6296.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6529579,41.9770998]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0049/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p49","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0049/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0049/info.json","type":"ImageService2","height":7796,"width":6444},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6444.0,0.0 6444.0,7796.0 -0.0,7796.0 0.0,-0.0 6444.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0049/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4216.0,4600.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6573277,41.9694151]}},{"type":"Feature","properties":{"resourceCoords":[1916.0,248.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6601213,41.9703703]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0052/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p52","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0052/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0052/info.json","type":"ImageService2","height":7796,"width":6484},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7796.0 -0.0,812.8 279.0,575.2 358.3,666.0 349.1,56.1 6484.0,0.0 6484.0,7796.0 -0.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0052/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65120828612052,41.97552884043575]}},{"type":"Feature","properties":{"resourceCoords":[6484.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64720311072809,41.97536155410391]}},{"type":"Feature","properties":{"resourceCoords":[6484.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64747175780906,41.971756120351955]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.6514769332015,41.97192340668379]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0053__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p53 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"12"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6444.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0053__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0053/info.json","type":"ImageService2","height":7796,"width":6444},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6444.0,7796.0 6444.0,0.0 2739.2,0.0 2705.2,2107.6 1820.8,3530.8 0.0,3511.2 -0.0,7796.0 6444.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0053__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1404.0,4784.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5946545,42.028932]}},{"type":"Feature","properties":{"resourceCoords":[1920.0,7120.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.5939437,42.0281037]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0055/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p55","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0055/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0055/info.json","type":"ImageService2","height":7796,"width":6444},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6444.0,7796.0 -0.0,7796.0 -0.0,-0.0 3239.7,0.0 3215.4,703.2 6444.0,817.1 6444.0,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0055/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1648.0,6684.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6525264,41.9691823]}},{"type":"Feature","properties":{"resourceCoords":[1648.0,3372.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6524835,41.9707086]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p6","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0006/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0006/info.json","type":"ImageService2","height":7796,"width":6376},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"34.5,7222.2 125.8,2501.2 -0.0,2501.1 -0.0,-0.0 6376.0,0.0 6254.7,7796.0 563.8,7796.0 570.6,7221.5 34.5,7222.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6304.0,5012.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6531854,41.9890154]}},{"type":"Feature","properties":{"resourceCoords":[3188.0,5012.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6548218,41.9880705]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0060__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p60 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6484.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0060__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0060/info.json","type":"ImageService2","height":7796,"width":6484},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7304.8 5000.6,7426.6 5000.4,6956.8 5000.4,6451.2 6382.6,6446.4 6378.4,6177.8 5832.0,6168.0 5843.0,4673.0 5882.2,4560.0 6484.0,4151.0 6484.0,3424.9 5680.2,3421.4 5784.4,3104.9 6484.0,3090.9 6484.0,0.0 -0.0,-0.0 -0.0,7304.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0060__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5832.0,6168.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6327062,42.0072693]}},{"type":"Feature","properties":{"resourceCoords":[6144.0,1924.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6322941,42.0111276]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0008/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p8","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0008/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0008/info.json","type":"ImageService2","height":7796,"width":6376},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3760.1,0.0 6173.0,410.3 6236.8,1852.9 6376.0,1957.0 6376.0,2666.9 6272.8,2667.6 6376.0,6976.9 6190.1,7358.0 -0.0,7374.3 -0.0,-0.0 3760.1,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0008/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65319898860098,41.993286113269285]}},{"type":"Feature","properties":{"resourceCoords":[6376.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65007790675041,41.99505597294482]}},{"type":"Feature","properties":{"resourceCoords":[6376.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.6471866667507,41.992199652732516]}},{"type":"Feature","properties":{"resourceCoords":[0.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65030774860126,41.99042979305698]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p9 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6524.0"},{"label":"split_canvas_h","value":"7796.0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0009__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0009/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6524.0,883.3 4852.0,980.0 4846.8,-0.0 899.6,-0.0 902.7,1051.2 -0.0,1047.0 -0.0,4552.3 913.7,4550.8 920.6,7738.6 4853.7,7723.1 4850.0,4437.4 6524.0,4345.8 6524.0,883.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4852.0,980.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6404402,41.9833793]}},{"type":"Feature","properties":{"resourceCoords":[4852.0,6988.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.6447115,41.9835184]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0009__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cedar Rapids, Iowa | 1949 | sanborn02597_006 p9 [2]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"5159.6"},{"label":"split_canvas_y","value":"4976.0"},{"label":"split_canvas_w","value":"1364.4"},{"label":"split_canvas_h","value":"2820.0"}],"created":"2026-09-21T22:15:22Z","modified":"2026-09-21T22:15:22Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0009__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0009/info.json","type":"ImageService2","height":7796,"width":6524},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6398.9,7796.0 6426.9,5095.7 6524.0,5101.6 6524.0,4978.4 5236.1,4976.1 5201.7,7796.0 6398.9,7796.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd415m:g4154m:g4154cm:g02597194901:02597_01_1949-0009__2/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[5159.6,4976.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64904889801889,41.99418855275403]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,4976.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.64803413019585,41.99322359597165]}},{"type":"Feature","properties":{"resourceCoords":[6524.0,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65069185747225,41.99165796227801]}},{"type":"Feature","properties":{"resourceCoords":[5159.6,7796.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-91.65170662529529,41.992622919060395]}}]}}]}