{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn04023_022.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Grand Rapids, Michigan | 1953 | 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":"81"},{"label":"placed","value":"75"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef-snap 50, georef 25"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 10 panels"},{"label":"unplaced pages","value":"p0 (tier 1, 42.93082,-85.61251 +/-243m); p610 (tier 2, 42.94671,-85.62761 +/-560m); p628__2 (tier 1, 42.93414,-85.62505 +/-100m); p648__2 (tier 1, 42.93126,-85.63309 +/-100m); p660 (tier 2, 42.94174,-85.62655 +/-372m); p661__2 (tier 1, 42.96238,-85.63547 +/-100m)"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0601/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p601","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0601/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0601/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"393.8,6291.0 416.0,365.8 -0.0,359.2 -0.0,161.5 4673.0,258.4 4562.6,8072.0 3206.9,8072.0 3201.5,6329.0 393.8,6291.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0601/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63489151659178,42.95205285810636]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63074402150781,42.95208567531901]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63069006102644,42.94838035631381]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63483755611041,42.948347539101164]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0602/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p602","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0602/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0602/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5680.5,7969.0 6660.0,7958.0 6660.0,8072.0 -0.0,7937.7 -0.0,335.0 287.2,336.7 280.4,1174.8 570.4,1156.8 584.7,334.6 5621.8,353.1 5680.5,7969.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0602/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63200462689966,42.95203833214275]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6277087276655,42.95204369859738]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62769990375425,42.94820579320984]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6319958029884,42.94820042675521]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0603/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p603","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0603/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0603/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,211.8 312.8,0.0 2605.0,0.0 2875.9,0.0 6660.0,2251.1 6660.0,4829.2 6660.0,7151.7 4829.7,8072.0 4529.8,8072.0 4252.0,8072.0 -0.0,8072.0 -0.0,211.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0603/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63965592179648,42.949298332343666]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63549552592234,42.949299012915624]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63549440692681,42.94558199883821]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63965480280095,42.94558131826625]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0604/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p604","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0604/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0604/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7172.0 -0.0,4032.3 -0.0,2178.3 2617.0,202.7 5462.8,221.4 6430.9,8072.0 5579.6,8072.0 2659.8,8072.0 -0.0,7172.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0604/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63621271123182,42.94925433064384]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63212037511241,42.94926573551403]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63210162322041,42.945609531690714]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63619395933982,42.94559812682052]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0605/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p605","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0605/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0605/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2373.4,8072.0 2357.8,6915.6 390.7,6907.0 354.4,2987.2 -0.0,2989.3 -0.0,967.7 341.5,967.5 333.2,0.0 4231.5,0.0 4239.3,964.2 4818.7,963.7 4820.4,3581.0 4315.1,3578.6 4337.1,6955.1 3602.2,6952.3 3596.7,8072.0 2373.4,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0605/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63963871942023,42.94602566288074]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63549054776634,42.94602379940768]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63549361152542,42.94231751217095]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63964178317931,42.94231937564401]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0606/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p606","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0606/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0606/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,6877.8 -0.0,0.0 3288.6,0.0 5251.7,1298.8 6617.0,6913.0 6660.0,8072.0 5761.9,8072.0 3917.3,8072.0 3346.6,8072.0 -0.0,6877.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0606/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1424.0,2944.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6357392,42.944646]}},{"type":"Feature","properties":{"resourceCoords":[5280.0,6872.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.633306,42.9428318]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0607/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p607","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0607/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0607/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1318.2 1518.7,1336.3 1491.5,1100.2 2645.2,1101.2 2643.0,1330.6 6660.0,1397.5 6660.0,3512.5 5964.9,3518.9 5985.5,5722.9 6660.0,5693.8 6660.0,7990.0 6005.1,7831.3 6007.4,8072.0 579.2,8072.0 397.0,7471.9 -0.0,7855.8 -0.0,1318.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0607/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63365830628274,42.94886348309046]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62949368288373,42.94889912328105]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62943508371764,42.94517830752982]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63359970711664,42.94514266733923]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0608/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p608","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0608/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0608/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1582.7,6907.4 247.8,6860.6 229.9,3565.0 -0.0,3562.6 -0.0,2991.5 623.8,2911.8 379.4,1893.4 5751.6,1856.2 5782.2,3739.7 4464.8,3632.2 4787.8,4951.4 4947.7,6624.8 6439.1,6151.2 6442.5,5277.9 6660.0,5274.4 6660.0,8072.0 744.2,8072.0 723.4,8052.7 1620.3,8056.9 1582.7,6907.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0608/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63348287561064,42.94602685989248]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62927472504026,42.946041404784644]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62925081160625,42.942281527430254]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63345896217663,42.94226698253809]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0609/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p609","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0609/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0609/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6312.8,5829.6 6326.8,7527.2 6164.4,7524.8 5997.3,7522.3 5999.1,8072.0 896.0,8072.0 222.5,-0.0 6660.0,-0.0 6311.8,4586.8 6311.9,4767.5 6660.0,4764.5 6660.0,5812.2 6312.8,5829.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0609/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62353258149425,42.95841370557499]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62354449222937,42.95535768427001]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62856997691961,42.955368324005676]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62855806618448,42.958424345310654]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0611/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p611","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0611/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0611/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1586.1,236.2 6256.5,380.3 6261.3,8072.0 -0.0,8072.0 -0.0,3965.0 1586.1,236.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0611/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62880561652443,42.95562599095172]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62464764573475,42.955646249303875]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62461433351325,42.951931788302325]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62877230430293,42.951911529950166]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0612/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p612","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0612/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0612/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"192.8,8072.0 284.7,1655.7 -0.0,1651.1 -0.0,-0.0 667.1,0.0 651.7,1565.4 1191.8,1577.9 1228.2,0.0 2772.3,0.0 3722.4,740.7 5904.3,1744.6 5852.1,8072.0 192.8,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0612/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6285803932081,42.95263498832854]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62441614809582,42.952707239593316]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62429734614393,42.94898699057588]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62846159125621,42.94891473931111]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0613/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p613","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0613/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0613/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1733.4,5299.9 1038.3,5309.8 1028.5,3281.4 2354.1,3344.7 2835.7,1827.3 6660.0,1763.2 6660.0,3244.2 1751.0,8072.0 1051.7,8072.0 1048.7,7456.6 1733.4,5299.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0613/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63015074624361,42.949763728001315]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62591898059726,42.94978481200212]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62588431404464,42.94600406318401]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63011607969099,42.945982979183206]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0614/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p614","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0614/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0614/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6660.0,8072.0 -0.0,8072.0 -0.0,0.0 6660.0,0.0 6660.0,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0614/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62990279373794,42.94727333547389]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62576490354513,42.947337195371226]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62565990844418,42.94364017375146]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62979779863699,42.94357631385412]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0615/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p615","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0615/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0615/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6660.0,7228.3 468.9,7146.7 755.6,4998.9 -0.0,4981.2 -0.0,-0.0 3858.4,-0.0 5231.5,747.7 5780.7,224.9 6660.0,712.1 6660.0,2529.1 6416.6,2526.7 6660.0,3479.0 6660.0,7228.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0615/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62041275925004,42.95575533736703]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62032661665323,42.9526704196423]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6253993999475,42.95259346601713]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62548554254431,42.955678383741855]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0616/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p616","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0616/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0616/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3507.6,8072.0 3409.0,7436.7 3090.8,6784.3 2603.4,6646.6 1721.9,6196.6 1742.9,8072.0 248.1,8072.0 229.5,6330.6 -0.0,6332.9 -0.0,4996.6 254.2,4990.7 206.5,1769.1 116.9,1730.4 206.3,1729.9 201.8,988.8 2120.1,950.2 2604.7,804.5 2624.0,2702.5 2374.5,3120.4 5761.9,4909.4 5647.2,5499.3 5654.8,6695.5 6593.5,6404.1 6608.9,7912.7 5664.0,7912.4 5665.2,8072.0 3507.6,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0616/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62511761056578,42.95349669528598]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61693712125623,42.953499524141755]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61693246986854,42.94619113947251]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6251129591781,42.94618831061673]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0617/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p617","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0617/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0617/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5561.6,7212.7 1595.9,7121.3 -0.0,6658.9 -0.0,0.0 5676.3,0.0 5561.6,7212.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0617/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61890530064383,42.95604161625777]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6152189458316,42.95463384291501]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61753384605588,42.95134069345117]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62122020086811,42.952748466793935]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0618/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p618","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0618/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0618/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,-0.0 5179.4,0.0 5179.4,0.0 5860.2,0.0 5530.2,7473.0 1370.8,7477.5 1365.6,7605.8 825.5,6555.7 0.0,6980.3 0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0618/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62219921719112,42.95067249827752]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62024459748307,42.95340352453219]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61575397733998,42.95165731772604]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61770859704804,42.948926291471366]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0619/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p619","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"8"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0619/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0619/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 6660.0,0.0 6660.0,136.1 5607.4,129.0 5601.1,7285.3 -0.0,7277.9 -0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0619/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2656.0,7280.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6164188,42.9513236]}},{"type":"Feature","properties":{"resourceCoords":[2656.0,2452.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.614972,42.9533041]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0620/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p620","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0620/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0620/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7268.2 -0.0,0.0 6660.0,0.0 6660.0,8072.0 3140.4,8072.0 3139.1,7250.2 -0.0,7268.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0620/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61262049024974,42.95361042505554]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.60897161287743,42.95215910796249]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61135801729706,42.948899304760694]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61500689466938,42.950350621853744]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0621/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p621","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"8"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0621/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0621/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6660.0,829.0 6660.0,5274.7 600.9,5003.3 564.0,816.0 6660.0,829.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0621/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2536.0,5076.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6165849,42.9491681]}},{"type":"Feature","properties":{"resourceCoords":[564.0,816.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6164188,42.9513236]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0622/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p622","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0622/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0622/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3977.5,8072.0 2326.4,8072.0 1305.5,8072.0 996.9,8072.0 264.7,8072.0 -0.0,7561.6 -0.0,6603.5 -0.0,5658.1 -0.0,5425.0 -0.0,5121.3 6140.7,3418.4 6660.0,3577.4 6660.0,3595.5 6660.0,4378.6 6100.1,8072.0 3977.5,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0622/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61326306981618,42.95051426642118]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.60950911946209,42.94904272514528]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6119286517284,42.94568887693624]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6156826020825,42.947160418212135]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0623/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p623","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0623/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0623/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"299.7,1647.6 452.5,1176.4 -0.0,943.7 -0.0,-0.0 1200.4,0.0 6660.0,2534.1 6660.0,8072.0 2533.1,8072.0 278.4,4724.1 299.7,1647.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0623/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61830984563507,42.94959282056357]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61418934958951,42.94956123776113]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61424127813717,42.945879881592894]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61836177418273,42.94591146439534]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0624/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p624","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0624/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0624/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"51.9,3810.1 21.7,0.0 6660.0,0.0 6660.0,8072.0 740.6,8072.0 51.9,3810.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0624/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6181692785017,42.946335213121166]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61406897101158,42.94633559924274]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61406833618125,42.94267209520207]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61816864367137,42.9426717090805]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0625/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p625","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0625/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0625/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 6660.0,0.0 6660.0,6570.8 5504.1,7755.9 -0.0,8072.0 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0625/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61495915081223,42.948174754183604]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6108308261928,42.94819609759714]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61079573400735,42.94450767094959]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61492405862678,42.944486327536055]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0626/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p626","metadata":[{"label":"streets","value":"12"},{"label":"intersections","value":"18"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0626/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0626/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,984.9 740.0,324.1 544.5,127.4 543.5,0.0 6660.0,0.0 6660.0,8072.0 -0.0,8072.0 -0.0,984.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0626/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1180.0,3220.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.610033,42.944897]}},{"type":"Feature","properties":{"resourceCoords":[5660.0,7424.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.604418,42.941033]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0627/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p627","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"16"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0627/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0627/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6660.0,5116.1 6660.0,8072.0 5487.3,8072.0 5478.2,6860.3 5149.6,6862.8 5152.9,8072.0 1247.8,8072.0 1242.9,7409.2 -0.0,7412.4 -0.0,4028.7 1192.0,4028.0 1177.2,2311.3 -0.0,2317.5 0.0,0.0 3691.8,-0.0 3695.4,434.7 2997.3,453.1 2935.1,2845.8 3715.5,2840.8 3739.6,5730.8 5144.2,5726.7 5144.4,5169.1 6660.0,5116.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0627/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1192.0,4028.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.612255,42.944649]}},{"type":"Feature","properties":{"resourceCoords":[5148.0,7404.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.614411,42.942827]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0628__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p628 [1]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"4301.6"},{"label":"split_canvas_h","value":"8072.0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0628__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0628/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1981.2,7430.5 2013.3,8072.0 3288.9,8072.0 3298.5,6642.2 3388.6,6642.8 3408.8,4798.1 2266.7,4791.1 2258.8,3704.0 422.4,3684.7 411.1,0.0 -0.0,0.0 0.0,1784.0 0.0,1787.6 -0.0,7398.0 1981.2,7430.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0628__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2256.8,3704.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6381728,42.9428497]}},{"type":"Feature","properties":{"resourceCoords":[4141.5,7452.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.636903,42.941024]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0628__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p628 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"split_canvas_x","value":"4251.6"},{"label":"split_canvas_y","value":"4200.0"},{"label":"split_canvas_w","value":"2408.4"},{"label":"split_canvas_h","value":"3872.0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0628__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0628/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6660.0,8072.0 6660.0,4224.8 4251.6,4200.0 4288.0,6868.0 4301.6,8072.0 6660.0,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0628__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[4251.6,4200.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62580897803585,42.934458290236805]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,4200.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62427810506564,42.93450731729434]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62417054293998,42.93270914335998]}},{"type":"Feature","properties":{"resourceCoords":[4251.6,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62570141591019,42.93266011630244]}},{"type":"Feature","properties":{"resourceCoords":[6344.5,4512.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.62447,42.934356]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0629/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p629","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"10"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0629/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0629/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7293.6 -0.0,3368.7 689.9,0.0 6455.7,0.0 6075.1,6415.3 5774.1,6596.4 5763.2,7289.5 4348.6,7302.3 -0.0,7293.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0629/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2720.0,7296.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.635701,42.941018]}},{"type":"Feature","properties":{"resourceCoords":[728.0,3368.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.63694,42.942831]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0630/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p630","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0630/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0630/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 5991.6,102.8 6660.0,1643.5 6660.0,7230.3 6660.0,7230.3 6660.0,8072.0 6342.4,8072.0 6354.6,7525.7 5789.9,8072.0 143.7,8072.0 -0.0,6306.6 -0.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0630/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63359179271299,42.944342932849274]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6293974072213,42.9443455675565]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62939307558797,42.94059788439595]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63358746107966,42.94059524968872]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0631/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p631","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0631/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0631/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4936.4,8072.0 -0.0,7136.3 -0.0,-0.0 1125.2,0.0 3241.5,754.0 4640.2,1416.8 6660.0,3725.9 6660.0,8072.0 4936.4,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0631/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64037420210082,42.94138527922036]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63619833178525,42.941368761186425]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63622548723922,42.93763744426391]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64040135755478,42.93765396229785]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0632/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p632","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0632/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0632/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4880.6,6946.8 4894.9,8072.0 4491.4,8072.0 4509.1,6394.6 2723.1,6923.8 1636.7,4500.6 -0.0,4394.0 -0.0,0.0 1839.2,0.0 1801.2,634.3 6660.0,984.3 6660.0,5776.0 6261.2,5846.6 6270.2,6929.1 4880.6,6946.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0632/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64155059597935,42.93833453787664]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6373699780519,42.938502790179804]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63709338652374,42.93476705165725]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6412740044512,42.93459879935409]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0633/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p633","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0633/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0633/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"650.8,3831.4 835.1,7295.1 -0.0,7283.6 0.0,0.0 95.8,0.0 92.2,846.0 4450.9,873.2 6280.9,864.5 6333.0,1769.8 6660.0,1769.1 6660.0,8072.0 6516.4,8072.0 6470.7,7358.7 6577.1,7359.6 6453.4,3856.9 6269.0,3855.6 5808.2,3852.5 5754.6,6493.8 1997.1,6734.7 2009.2,3826.6 650.8,3831.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0633/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63746842405662,42.94141726988484]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63329054139987,42.9414136170269]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63329654665904,42.93768050422106]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63747442931579,42.937684157079]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0634/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p634","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0634/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0634/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3614.8,8072.0 -0.0,8072.0 -0.0,3836.1 -0.0,-0.0 442.9,0.0 2551.5,0.0 3728.9,0.0 3894.3,0.0 6660.0,777.3 6660.0,2671.7 6660.0,7258.6 5086.1,8072.0 3614.8,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0634/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63377577443512,42.94141787536519]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62957114795564,42.94135131921293]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62968056546102,42.93759430648126]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6338851919405,42.93766086263352]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0635/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p635","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0635/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0635/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6002.1,0.0 6660.0,907.0 6660.0,6520.9 2062.2,8072.0 -0.0,8072.0 -0.0,-0.0 3228.0,0.0 6002.1,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0635/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63762897248135,42.93823621611625]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63345056692725,42.93843003557547]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63313194612664,42.9346962644644]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63731035168074,42.93450244500518]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0636/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p636","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0636/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0636/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,829.3 4298.9,0.0 6660.0,0.0 6660.0,6559.3 226.5,8072.0 -0.0,8072.0 -0.0,829.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0636/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63365417277797,42.938392066177705]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6295192465763,42.938573652606614]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62922073485524,42.93487874476695]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63335566105691,42.93469715833804]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0637/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p637","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0637/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0637/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,8072.0 -0.0,0.0 5940.4,59.0 5976.9,8072.0 -0.0,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0637/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.65170364085871,42.936740110205754]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64752632746912,42.9369296635303]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6472147272982,42.93319677840921]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6513920406878,42.933007225084665]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0638/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p638","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0638/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0638/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,8072.0 0.0,-0.0 6660.0,0.0 6660.0,8072.0 -0.0,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0638/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64797541255373,42.93688191041626]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64380343561035,42.93708528689143]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64346911127483,42.93335717898851]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64764108821821,42.93315380251334]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0639/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p639","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0639/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0639/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"725.7,0.0 4460.9,0.0 4480.4,253.7 6126.9,234.4 6660.0,1218.0 6660.0,1451.6 4616.9,2203.1 5037.1,6417.5 1319.0,6702.0 725.7,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0639/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64420134502892,42.93646418719679]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64003202234,42.93639569048933]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64014462107156,42.93266992466145]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64431394376048,42.93273842136891]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0640/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p640","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0640/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0640/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,5780.9 -0.0,919.7 2207.7,347.5 4521.1,1076.0 4869.1,2761.9 4843.2,5396.9 4843.2,5396.9 4828.6,6880.7 4461.0,6630.2 4014.2,8072.0 2474.4,8072.0 -0.0,5780.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0640/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64138627491128,42.93582477891551]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63721275207837,42.936062475928225]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63682201562405,42.93233292592357]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64099553845696,42.93209522891085]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0641/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p641","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0641/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0641/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5487.0,6433.6 -0.0,6503.9 -0.0,0.0 5477.8,44.8 5487.0,6433.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0641/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62908405329698,42.93557891104826]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62885571780046,42.932490763029726]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63393213360249,42.93228671697578]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.634160469099,42.935374864994316]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0642/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p642","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0642/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0642/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5238.9,8072.0 -0.0,8072.0 -0.0,6683.4 1692.7,6691.0 1701.9,4630.9 -0.0,4618.7 -0.0,1571.4 687.4,1578.7 289.2,380.6 1696.5,391.6 1698.2,167.7 171.1,153.0 173.0,-0.0 5666.1,-0.0 5656.0,889.3 5893.8,891.8 5238.9,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0642/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63318161966413,42.93549458851954]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63289990857795,42.9324119877349]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63796720119785,42.93216024375912]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63824891228403,42.93524284454376]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0643/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p643","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0643/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0643/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1091.0 5821.8,1151.3 5848.2,6634.9 5707.8,6643.0 5693.1,8072.0 -0.0,8072.0 -0.0,1091.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0643/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.65142265727599,42.93350786423092]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64728477006517,42.93372735522132]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64692397471946,42.930029513923074]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.65106186193027,42.92981002293267]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0644/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p644","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0644/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0644/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1174.2 6660.0,1296.4 6660.0,8072.0 6272.4,8072.0 6305.5,5605.0 5248.4,5506.8 5250.2,6682.1 -0.0,6598.0 -0.0,1174.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0644/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6478106979061,42.93371594392749]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64362865452564,42.933952691752395]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6432394912082,42.93021540447575]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64742153458866,42.929978656650846]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0645/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p645","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0645/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0645/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,4158.4 1427.6,3037.2 1432.3,0.0 5332.3,0.0 5331.6,646.8 5768.0,547.5 5965.9,1553.5 5876.2,5696.4 5620.7,6015.6 5573.3,8072.0 -0.0,8072.0 -0.0,4158.4\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0645/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64445206265549,42.933258816895865]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64031218399448,42.93349795345763]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63991909705517,42.92979831890451]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64405897571618,42.92955918234274]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0646/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p646","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0646/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0646/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4801.0,1743.7 6660.0,5713.8 6660.0,6049.8 5648.4,8072.0 -0.0,8072.0 -0.0,5888.7 179.3,5653.7 21.1,421.9 2117.1,0.0 4801.0,1743.7\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0646/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64086762383887,42.933408229688126]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63671893161224,42.93357698684011]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63644153211204,42.92986948326138]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64059022433868,42.929700726109395]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0647/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p647","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"10"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0647/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0647/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,-0.0 6660.0,-0.0 6660.0,900.6 5400.1,900.7 5400.1,7181.1 5266.1,7256.2 1176.2,6873.3 1175.7,7247.4 -0.0,7252.1 -0.0,-0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0647/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4760.0,3736.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.631113,42.930742]}},{"type":"Feature","properties":{"resourceCoords":[960.0,3736.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.631248,42.932496]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0648__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p648 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"12"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6660.0"},{"label":"split_canvas_h","value":"8072.0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0648__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0648/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6660.0,5786.3 6162.5,5827.4 6266.5,7270.0 6005.0,7290.5 5961.8,3847.1 6660.0,3468.2 6660.0,201.5 5016.4,321.3 4998.3,72.2 4861.6,-0.0 4868.5,82.2 881.4,-0.0 907.3,362.1 -0.0,432.0 -0.0,8072.0 1339.2,8072.0 1341.2,6519.2 3318.4,6546.4 3327.2,8072.0 6660.0,8072.0 6660.0,5786.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0648__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2472.0,236.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.633391,42.93156]}},{"type":"Feature","properties":{"resourceCoords":[4112.0,7428.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6380921,42.9308328]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0649/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p649","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0649/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0649/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5711.5,1417.5 5587.4,8072.0 -0.0,8072.0 63.6,1370.3 5711.5,1417.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0649/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.65117053194277,42.930440050605654]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64700238255543,42.93068693728116]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64659657500806,42.92696186541689]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6507647243954,42.92671497874139]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0650/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p650","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"12"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0650/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0650/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6268.0,0.0 6258.1,970.3 5272.6,890.2 5309.1,3646.4 6278.4,3709.5 6288.7,2634.7 6660.0,2628.2 6660.0,7611.6 6271.5,7580.0 6281.1,5670.2 5311.4,5589.0 5314.2,8072.0 -0.0,8072.0 -0.0,0.0 6268.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0650/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3488.0,5440.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.645118,42.928193]}},{"type":"Feature","properties":{"resourceCoords":[3488.0,7344.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.645043,42.927295]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0651/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p651","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0651/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0651/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3965.8,1456.3 5563.2,1431.5 5598.7,2964.4 6660.0,8072.0 -0.0,8072.0 -0.0,0.0 994.5,0.0 3965.8,1456.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0651/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64411428506834,42.93025623546066]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6399676438886,42.93044810305334]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6396522723892,42.92674223896123]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64379891356894,42.926550371368556]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0652/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p652","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0652/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0652/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,1542.1 3278.5,1591.2 3248.4,1938.3 5629.9,2144.6 5608.4,8072.0 -0.0,8072.0 -0.0,1542.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0652/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64064126696445,42.93040776377816]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63650387709224,42.93062192256708]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63615186469579,42.92692433694404]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.640289254568,42.926710178155126]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0653/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p653","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0653/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0653/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"2404.0,1552.8 5791.6,1833.8 5761.8,4903.8 6054.3,4923.3 6034.2,7102.2 5740.7,7077.8 5731.0,8072.0 -0.0,8072.0 -0.0,666.2 2070.8,801.5 2404.0,1552.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0653/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63710653055139,42.93022960092379]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63294733532678,42.930433702213755]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63261185547049,42.926716617532314]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6367710506951,42.92651251624235]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0654/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p654","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"7"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0654/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0654/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"291.8,4811.3 -0.0,4794.8 0.0,0.0 259.2,0.0 334.3,0.0 6660.0,0.0 6660.0,8072.0 -0.0,8072.0 -0.0,6979.1 292.9,7000.6 291.8,4811.3\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0654/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3292.0,7224.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.631156,42.92712]}},{"type":"Feature","properties":{"resourceCoords":[3292.0,4980.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6312352,42.9281482]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0655/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p655","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0655/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0655/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,8072.0 -0.0,-0.0 6660.0,0.0 6660.0,8072.0 -0.0,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0655/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6115414466897,42.93748763771276]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.60321041829086,42.937462508559726]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.60325172645003,42.930017683922145]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61158275484887,42.93004281307518]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0656/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p656","metadata":[{"label":"streets","value":"9"},{"label":"intersections","value":"6"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0656/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0656/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,8072.0 0.0,-0.0 462.4,0.0 463.2,1707.9 1919.1,1722.7 1917.5,0.0 2115.5,0.0 2771.4,333.4 3244.7,473.3 3624.5,1393.2 3619.7,1995.4 3780.2,1741.6 5739.3,1761.5 5734.8,3478.0 6660.0,3485.7 6660.0,5020.5 6049.0,5177.7 6049.0,5576.6 6660.0,5583.0 6660.0,8072.0 -0.0,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0656/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6052.0,5416.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.617711,42.94282]}},{"type":"Feature","properties":{"resourceCoords":[2460.0,3816.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.622262,42.944263]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0657/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p657","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0657/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0657/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5633.3,6814.0 -0.0,7235.4 -0.0,-0.0 6660.0,0.0 6660.0,8072.0 5593.6,8072.0 5633.3,6814.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0657/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63053087560617,42.96451201787883]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62227177390913,42.964546547901655]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62221498729996,42.95716924542563]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63047408899699,42.95713471540281]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0658/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p658","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"6"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0658/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0658/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"4111.0,8072.0 1475.6,8072.0 -0.0,7052.7 -0.0,-0.0 4301.6,-0.0 6660.0,-0.0 6660.0,4342.4 6660.0,6082.7 6660.0,7918.6 4111.0,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0658/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3040.0,4120.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.60621,42.939009]}},{"type":"Feature","properties":{"resourceCoords":[864.0,5404.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.607852,42.941023]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0659/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p659","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0659/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0659/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3395.3,8072.0 3376.5,6122.8 871.7,6147.3 873.1,4454.4 1465.6,4459.4 1478.1,2955.4 712.1,2976.0 709.7,3259.6 -0.0,3255.8 -0.0,1785.2 703.9,1786.6 701.4,548.2 -0.0,560.9 0.0,0.0 1806.3,-0.0 1808.5,527.7 2672.1,630.4 2672.5,1790.4 3305.4,1791.6 3305.8,1560.2 6528.4,1513.3 6526.9,1812.6 6660.0,1813.2 6660.0,8072.0 3395.3,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0659/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.60929367970014,42.94347688636952]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6092857870714,42.937367142730764]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61933027893684,42.93736009043465]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.61933817156559,42.943469834073404]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0661__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p661 [1]","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"11"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6660.0"},{"label":"split_canvas_h","value":"8072.0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0661__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0661/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5258.4,8072.0 5212.2,2717.2 3943.4,2837.5 3953.9,-0.0 0.0,0.0 -0.0,8072.0 5258.4,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0661__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6228.0,7248.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6387337,42.9600768]}},{"type":"Feature","properties":{"resourceCoords":[528.0,5200.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6374622,42.9627226]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0662/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p662","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"18"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0662/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0662/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,8072.0 -0.0,773.4 5571.5,804.5 6070.2,983.1 4548.6,6605.2 5661.7,6722.5 4369.6,7181.6 4219.5,7594.8 6660.0,7625.0 6660.0,8072.0 -0.0,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0662/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2768.0,3680.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6376866,42.9592558]}},{"type":"Feature","properties":{"resourceCoords":[4916.0,5384.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6387461,42.9582467]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0663/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p663","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0663/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0663/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,7579.1 -0.0,7260.2 173.0,0.0 6660.0,0.0 6660.0,3776.9 4829.3,7297.6 1783.6,8072.0 1746.0,8072.0 1670.8,8072.0 -0.0,7579.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0663/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[4824.0,3780.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6329795,42.9593928]}},{"type":"Feature","properties":{"resourceCoords":[4824.0,5600.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6329756,42.9585437]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0664/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p664","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0664/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0664/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,3631.2 2045.3,0.0 4141.4,0.0 4118.3,2831.8 6660.0,6752.5 6660.0,8072.0 106.5,7188.8 -0.0,3631.2\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0664/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63309749574908,42.961068205941764]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62892768983086,42.96111068766138]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62885782802618,42.957385981841234]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63302763394441,42.95734350012162]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0665/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p665","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"15"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0665/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0665/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6306.4,7046.8 -0.0,6985.3 -0.0,498.6 413.4,643.0 886.6,1924.3 989.7,814.2 6268.0,2173.9 6358.1,2792.5 6306.4,7046.8\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0665/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[936.0,5100.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6395495,42.9564101]}},{"type":"Feature","properties":{"resourceCoords":[4392.0,1712.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6373556,42.9579946]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0666/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p666","metadata":[{"label":"streets","value":"7"},{"label":"intersections","value":"14"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0666/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0666/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,8072.0 -0.0,-0.0 460.0,0.0 455.4,565.2 1401.2,591.4 3208.7,624.2 5286.9,641.4 5283.3,4523.2 6660.0,4553.7 6660.0,6475.1 5296.1,6445.5 5103.0,6443.5 3806.7,6430.4 3800.6,6860.8 1388.0,6776.0 1398.4,8072.0 -0.0,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0666/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1388.0,2536.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6395328,42.9546153]}},{"type":"Feature","properties":{"resourceCoords":[1388.0,6776.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.639502,42.952637]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0667/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p667","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0667/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0667/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6660.0,6518.5 240.2,6604.3 218.1,2346.1 116.6,1728.6 295.8,1770.6 278.5,2135.2 460.8,1809.2 1799.5,2305.8 2124.9,2015.0 6437.0,1603.0 6524.5,5887.2 6660.0,5991.8 6660.0,6518.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0667/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.636218075768,42.95858803269421]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63201015611595,42.95854440490366]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63208189965519,42.95478549679689]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63628981930724,42.954829124587434]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0668/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p668","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0668/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0668/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"120.4,1540.1 234.4,1531.9 402.0,1519.5 1412.9,1445.7 1935.6,1407.4 2877.9,1338.5 3016.3,1328.5 4088.4,1249.9 4691.3,1206.0 4686.8,2475.5 5376.6,2471.0 5368.0,1156.4 5860.9,1120.4 5809.5,6175.6 4673.5,6167.8 4672.4,6496.7 920.1,6497.3 116.3,5848.5 120.4,1540.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0668/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63224803026266,42.95851233005757]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62806263662969,42.95853484292928]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62802561543725,42.9547960565595]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63221100907022,42.95477354368779]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0669/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p669","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0669/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0669/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1504.6,8072.0 -0.0,6724.1 -0.0,6291.1 -0.0,6291.1 1406.3,447.9 5155.0,456.9 5225.9,4382.1 5261.5,8072.0 1504.6,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0669/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1456.0,4352.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6370351,42.9537088]}},{"type":"Feature","properties":{"resourceCoords":[5192.0,2400.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.634665,42.9546086]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0670/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p670","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"13"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0670/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0670/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,6252.9 -0.0,4327.3 856.0,4338.6 805.5,425.3 4921.4,439.5 4928.5,0.0 5038.7,0.0 5594.6,447.4 5638.6,4435.9 6660.0,4441.7 6660.0,6809.1 5062.7,6783.7 5042.3,8072.0 872.8,8072.0 864.0,6264.0 -0.0,6252.9\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0670/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3584.0,4408.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6329124,42.9536607]}},{"type":"Feature","properties":{"resourceCoords":[864.0,6264.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.634639,42.952794]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0671/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p671","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0671/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0671/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1296.3,0.0 5259.3,0.0 5199.5,5430.5 4027.1,5445.6 4036.3,7148.1 1487.8,7193.3 1492.4,7407.8 1180.5,7409.4 1192.2,8072.0 -0.0,8072.0 -0.0,1328.9 1344.1,1290.2 1296.3,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0671/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64031598722946,42.952640563396194]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63613302216719,42.952586663013626]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63622164990709,42.94884968744497]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.64040461496936,42.94890358782754]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0672__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p672 [1]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"9"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6660.0"},{"label":"split_canvas_h","value":"5860.8"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0672__1/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0672/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"3598.2,1573.5 3209.3,1584.5 3201.1,1398.5 -0.0,1481.6 -0.0,5393.9 3742.8,5278.1 3598.2,1573.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0672__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3692.0,3440.5],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.634609,42.950976]}},{"type":"Feature","properties":{"resourceCoords":[180.0,5388.7],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.63699,42.950084]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0672__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p672 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"3761.2"},{"label":"split_canvas_y","value":"1733.6"},{"label":"split_canvas_w","value":"2898.8"},{"label":"split_canvas_h","value":"2218.8"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0672__2/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0672/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6660.0,1733.6 3761.2,1739.2 3816.8,3952.4 3820.4,3952.4 6660.0,3941.2 6660.0,1733.6\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0672__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[6100.2,3112.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.631579,42.95188]}},{"type":"Feature","properties":{"resourceCoords":[4081.1,3112.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6328864,42.9518817]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0672__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p672 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"5803.6"},{"label":"split_canvas_w","value":"6660.0"},{"label":"split_canvas_h","value":"2268.4"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0672__3/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0672/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"551.2,8072.0 5349.5,7186.5 4988.3,5818.0 0.0,5860.8 -0.0,7248.0 259.0,8072.0 551.2,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0672__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[2528.0,7237.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.630364,42.951868]}},{"type":"Feature","properties":{"resourceCoords":[628.0,7237.3],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.631579,42.95188]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0673/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p673","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0673/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0673/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6124.0,8072.0 6081.1,4811.0 5112.0,4024.2 5128.7,6770.2 4389.8,6760.0 4365.4,8072.0 2610.8,8072.0 2609.8,7984.7 2594.4,6735.0 1678.7,6722.3 1674.2,4351.7 644.2,4347.7 592.3,353.8 4332.5,327.7 4331.3,0.0 6006.5,0.0 6000.5,325.4 6660.0,322.2 6660.0,8072.0 6124.0,8072.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0673/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63201357225202,42.95567029000035]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.6278145257631,42.955671851272285]}},{"type":"Feature","properties":{"resourceCoords":[6660.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.62781195845493,42.951920695665656]}},{"type":"Feature","properties":{"resourceCoords":[0.0,8072.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-85.63201100494385,42.95191913439372]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0674/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Grand Rapids, Michigan | 1953 | sanborn04023_022 p674","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-21T22:34:45Z","modified":"2026-09-21T22:34:45Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0674/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0674/info.json","type":"ImageService2","height":8072,"width":6660},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"5212.9,1071.5 5371.4,8072.0 3878.4,8072.0 3842.1,5095.3 1422.6,5098.3 1428.1,8072.0 -0.0,8072.0 -0.0,1118.7 5212.9,1071.5\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd411m:g4114m:g4114gm:g04023195306:04023_06_1953-0674/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[5256.0,3084.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.6346042,42.949167]}},{"type":"Feature","properties":{"resourceCoords":[1388.0,3084.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-85.637001,42.949188]}}]}}]}