{"id":"https://data.mapsnap.org/runs/v1.3/iiif/loc/sanborn03714_008.keymap.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Danvers, Massachusetts | 1948 | key map | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"}],"items":[{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037141948:03714_1948-0001a/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danvers, Massachusetts | 1948 | sanborn03714_008 p1a","metadata":[{"label":"streets","value":"84"},{"label":"intersections","value":"106"}],"created":"2026-09-23T09:56:05Z","modified":"2026-09-23T09:56:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037141948:03714_1948-0001a/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037141948:03714_1948-0001a/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"6452.0,0.0 6452.0,7652.0 -0.0,7652.0 0.0,-0.0 6452.0,0.0\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037141948:03714_1948-0001a/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3475.1,2922.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9451216,42.5652273]}},{"type":"Feature","properties":{"resourceCoords":[594.2,3395.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9864783,42.5685857]}}]}},{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037141948:03714_1948-0001b/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Danvers, Massachusetts | 1948 | sanborn03714_008 p1b","metadata":[{"label":"streets","value":"86"},{"label":"intersections","value":"103"}],"created":"2026-09-23T09:56:05Z","modified":"2026-09-23T09:56:05Z","motivation":"georeferencing","target":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037141948:03714_1948-0001b/selector","type":"SpecificResource","source":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037141948:03714_1948-0001b/info.json","type":"ImageService2","height":7652,"width":6452},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1152.5,7217.1 1142.1,7232.9 1118.6,7378.5 1089.9,7652.0 1076.0,7652.0 1087.3,7550.9 1068.6,7580.5 1037.6,7577.6 1071.3,7617.5 1075.3,7652.0 -0.0,7652.0 -0.0,5068.9 -0.0,4617.4 0.0,1465.9 0.0,30.0 0.0,0.0 1379.2,0.0 1428.8,60.0 1613.2,226.5 1645.8,250.0 1715.7,266.7 1712.3,308.4 1722.6,415.1 1736.7,458.6 1805.9,614.9 1816.7,665.6 1817.4,726.8 1806.7,786.9 1787.6,845.3 1690.9,1018.8 1655.7,1127.0 1621.4,1670.9 2067.7,1860.8 2218.5,1949.7 2271.7,1993.9 2324.0,2049.2 2343.2,2030.2 2350.9,2009.6 2333.2,1943.8 2432.4,1794.0 2442.3,1766.2 2436.6,1705.5 2448.6,1685.8 2554.8,1623.2 2633.3,1613.5 2765.3,1557.4 2689.0,1412.1 2670.7,1302.5 2625.9,1180.6 2600.7,1087.8 2678.8,1072.8 2908.7,1152.6 3108.1,1436.4 3175.0,1663.2 3205.8,1720.3 3193.6,1788.3 3210.4,1889.6 3099.8,1916.7 3031.8,1952.5 3137.1,2117.8 3272.0,2268.0 3290.2,2296.3 3243.4,2312.0 3121.8,2375.8 3116.0,2398.3 3087.2,2446.2 3076.2,2482.4 3092.2,2559.4 3108.2,2698.9 3476.7,2688.4 3725.0,2839.6 3851.5,2699.3 3789.0,2647.4 3786.6,2638.8 3908.6,2499.7 3705.4,2382.1 3622.8,2369.2 3636.9,2272.3 3721.4,2139.3 3869.1,2219.2 3879.6,2271.2 3974.2,2250.8 4083.8,2250.1 4086.0,2153.0 3972.3,2152.1 3893.7,1955.1 4036.3,1902.6 4020.0,1774.6 3994.6,1774.9 3938.4,1796.9 3935.2,1806.0 3956.0,1860.7 3869.7,1893.9 3754.9,1600.8 3707.1,1438.0 3701.5,1392.9 3699.0,1218.1 3672.0,1100.8 3605.4,961.1 3505.1,863.4 3411.2,718.2 3394.8,684.2 3361.4,517.9 3247.2,183.4 3225.2,0.0 3948.6,0.0 3918.5,51.9 3898.1,118.6 3958.1,144.7 4107.5,276.7 4052.7,353.7 4120.5,400.6 4240.8,554.8 4237.4,625.0 4220.0,752.8 4248.8,964.9 4316.3,972.2 4329.8,919.3 4308.8,728.9 4333.2,604.8 4382.2,609.9 4430.7,634.0 4482.2,585.5 4237.3,0.0 4988.0,0.0 5009.7,6.8 5050.9,0.0 6452.0,0.0 6452.0,877.1 6300.0,783.8 6214.3,722.0 6180.6,691.1 6095.7,587.5 5956.8,601.2 5880.5,594.7 5833.3,579.3 5818.1,547.2 5818.3,509.9 5806.8,469.6 5818.4,387.3 5786.3,242.7 5801.5,230.4 5779.6,198.0 5514.1,381.4 5628.5,538.1 5719.2,580.1 5770.7,622.2 5809.6,665.7 5901.7,819.2 5955.4,929.4 5990.3,1017.1 5991.8,1035.5 5983.2,1069.3 5907.6,1175.5 5844.6,1317.6 5681.2,1217.1 5540.6,1093.8 5474.1,1065.1 5424.4,1063.1 5362.0,1080.8 5270.1,1146.4 5241.0,1181.4 5229.6,1217.6 5233.2,1265.5 5344.4,1673.5 5362.1,1698.0 5600.7,1903.0 5489.8,1991.4 5321.1,2066.5 5121.4,2181.2 5055.2,2103.1 4972.3,2180.4 4709.6,2303.3 4706.3,2356.9 4623.8,2361.6 4615.9,2365.7 4643.0,2366.6 4576.8,2388.5 4471.1,2463.3 4472.4,2471.3 4490.6,2488.0 4529.4,2516.5 4450.8,2598.8 4369.6,2539.3 4465.4,2467.6 4438.5,2400.6 4435.6,2355.5 4491.9,2356.6 4510.4,2268.7 4550.1,2256.8 4582.9,2233.2 4593.0,2076.2 4453.1,2080.2 4452.2,2047.8 4445.5,2029.3 4401.9,1952.3 4383.4,1937.2 4389.5,1853.0 4249.0,1842.9 4159.7,1809.9 4119.3,1809.9 4130.4,2001.2 4195.1,1998.5 4213.8,2150.1 4304.0,2145.3 4316.9,2150.3 4306.5,2354.0 4386.7,2354.8 4269.7,2485.5 4125.1,2667.5 4104.3,2650.3 4047.2,2721.0 4173.5,2800.8 4131.5,2891.0 3984.7,2795.7 3929.2,2862.4 4095.9,2971.1 4067.9,3016.2 3940.1,3056.5 3950.6,3100.4 3913.8,3130.4 3860.5,3240.3 3817.5,3214.6 3764.5,3132.1 3663.1,3224.7 3549.8,3313.8 3295.0,2985.7 3253.8,3000.0 3157.1,3057.5 3219.0,3183.8 3288.1,3280.1 3165.8,3311.4 3188.7,3392.5 3298.4,3365.0 3351.1,3342.4 3401.7,3393.6 3547.8,3584.5 3892.4,3577.2 3863.0,3884.9 3794.1,4154.8 3798.7,4261.1 3804.9,4264.8 3829.6,4265.9 3868.0,4251.9 3969.1,4236.6 4024.2,4209.3 3958.2,4098.8 3955.7,4072.1 3974.2,4038.7 4087.5,3970.1 4091.4,3960.4 4086.5,3786.1 4098.0,3763.5 4253.8,3699.8 4262.8,3773.1 4280.6,3826.9 4419.2,3742.6 4438.9,3735.9 4457.8,3744.2 4506.1,3825.6 4466.3,3955.0 4465.9,4055.8 4444.9,4075.7 4293.1,4133.6 4204.8,4187.0 4269.4,4305.8 4298.9,4315.9 4699.0,4150.3 4949.4,4032.1 5226.1,3924.8 5312.5,3884.5 5410.0,3853.3 5466.2,3820.9 5425.6,3782.0 5356.0,3740.8 5320.5,3730.2 5261.2,3727.5 5235.3,3717.6 5211.2,3695.1 5200.5,3670.8 5203.0,3567.7 5318.2,3569.8 5349.3,3433.0 5212.4,3407.2 5239.7,3190.5 5241.8,3129.6 5188.9,2579.3 5623.1,2677.9 5846.0,2791.1 6070.1,2867.5 6174.5,2940.7 6172.2,2964.9 6208.8,3011.9 6166.3,3071.9 6156.6,3096.8 6097.6,3433.2 6036.8,3658.2 6126.2,3677.1 6222.4,3662.7 6304.2,3639.4 6348.3,3638.4 6452.0,3656.2 6452.0,5010.4 6285.3,4979.2 6280.9,4994.4 6285.6,5008.5 6316.3,5019.4 6452.0,5041.6 6452.0,5220.1 6097.9,4988.3 5878.6,4520.5 5778.8,4557.3 5665.6,4571.5 5616.6,4722.8 5498.1,4707.9 5357.0,4721.1 5179.3,4711.9 5174.7,4917.8 5195.2,5050.6 5301.3,5144.7 5370.8,5265.6 5358.5,5283.6 5346.6,5346.8 5101.6,5296.3 5060.0,5281.0 4873.8,5180.1 4414.0,4898.0 4406.0,4906.9 4363.3,4881.8 4255.4,4791.0 4263.7,4782.0 4257.9,4776.8 4248.6,4784.7 4161.5,4724.4 4073.3,4686.3 4005.5,4666.0 3988.0,4742.3 3929.0,4877.6 3932.8,4900.7 3921.1,4912.9 3893.7,4970.4 3848.1,5034.0 3659.8,4947.6 3647.5,4935.1 3613.8,4873.7 3561.2,4867.8 3549.3,4875.6 3539.5,4983.0 3627.4,4997.1 3717.2,5083.8 3795.5,5118.5 3752.6,5179.1 3477.3,5072.1 3480.4,4840.3 3469.2,4824.3 3405.8,4792.3 3369.1,4859.5 3374.2,4898.0 3366.7,5044.4 3147.9,5007.3 3087.3,5327.6 3077.8,5350.9 2999.2,5363.6 2980.7,5386.3 2973.8,5476.8 2952.9,5510.9 2946.7,5537.1 2946.0,5614.7 2804.4,5638.3 2803.7,5584.0 2791.9,5553.5 2773.1,5290.9 2664.1,5288.0 2656.7,5324.6 2673.3,5377.7 2672.3,5414.0 2656.3,5447.1 2616.6,5476.8 2567.0,5482.3 2354.5,5450.1 2330.3,5567.1 1996.9,5535.3 1939.0,5521.3 1639.1,5363.4 1563.8,5304.7 1443.4,5170.4 1394.9,5127.5 1370.3,5416.9 1372.8,5721.2 1358.8,5816.1 1322.8,5985.0 1288.7,6322.6 1306.5,6325.5 1357.9,6358.0 1567.8,6508.6 1612.4,6528.3 1668.0,6536.6 1719.1,6531.5 1973.3,6462.3 2037.9,6469.7 2165.3,6524.1 2285.6,6544.5 2457.6,6507.6 2590.4,6514.6 2697.6,6472.5 2911.0,6427.4 3079.9,6443.5 3167.5,6430.3 3377.8,6370.2 3471.1,6359.0 3603.2,6356.9 3605.2,6465.4 3901.9,6714.2 3918.8,6716.3 3976.0,6689.9 4025.1,6676.4 4151.1,6669.6 4164.0,6626.0 4167.5,6582.9 4148.1,6544.4 4085.9,6503.1 4004.8,6433.5 3954.0,6348.7 3949.7,6325.3 4016.0,6268.3 4057.0,6310.3 4279.2,6117.3 4444.3,6327.5 4535.3,6282.1 4561.0,6253.1 4564.9,6240.6 4559.9,6227.3 4534.8,6207.7 4462.5,6254.4 4278.8,6013.6 4316.4,5969.0 4404.6,5890.8 4420.8,5862.1 4636.2,5845.7 4721.5,5827.4 4694.1,5958.5 4694.4,5989.4 4539.4,5979.2 4516.3,6072.9 4554.0,6118.8 4607.8,6152.5 4640.4,6102.9 4684.3,6128.5 4762.5,5993.4 4830.7,6023.0 4918.5,6076.3 5015.3,5977.0 5071.2,5908.3 5152.7,5940.7 5103.6,6010.8 4964.0,6121.9 5076.2,6244.2 5122.4,6203.7 5164.9,6247.9 5234.3,6196.2 5328.0,6109.4 5369.4,6048.5 5331.1,6031.2 5392.6,5906.5 5388.9,5781.8 5438.0,5784.6 5625.2,5742.9 5642.4,5790.6 5482.3,5840.6 5506.1,5895.5 5513.2,5899.2 5655.0,5835.4 5661.9,5883.0 5726.8,5879.0 5739.0,5863.4 5772.5,5860.1 5778.4,5903.3 5665.9,5906.5 5701.0,6010.1 5658.8,6007.7 5460.6,5962.0 5418.2,6056.3 5602.8,6078.1 5588.7,6143.7 5630.8,6155.8 5595.9,6255.7 5663.8,6280.6 5643.1,6330.1 5852.8,6419.8 5948.4,6447.9 6046.3,6183.9 6105.8,6198.7 6172.8,5971.2 6202.7,5977.6 6239.9,5848.7 6304.7,5865.1 6379.9,5621.2 6347.2,5617.9 6303.1,5461.1 6369.3,5437.8 6428.9,5626.6 6443.4,5628.3 6314.5,6002.9 6356.5,6011.6 6381.5,5976.4 6385.1,5991.7 6407.9,6000.0 6452.0,5987.4 6452.0,6291.1 6445.8,6294.3 6452.0,6306.6 6452.0,6343.5 6439.7,6382.9 6440.8,6407.5 6383.7,6426.6 6398.9,6466.3 6452.0,6548.3 6415.2,6597.8 6452.0,6620.3 6452.0,7097.8 6405.9,7126.2 6384.3,7168.8 6339.4,7159.1 6330.8,7186.1 6311.8,7210.6 6233.3,7250.7 6252.3,7284.0 6321.2,7292.1 6381.3,7334.9 6429.9,7352.3 6413.7,7411.2 6352.5,7399.6 6305.5,7378.5 6250.9,7482.5 6300.2,7484.4 6317.5,7517.7 6315.2,7547.1 6290.6,7562.6 6211.1,7562.6 6084.0,7527.4 6072.4,7533.8 6065.1,7548.4 6068.3,7596.0 6024.2,7565.0 6013.2,7540.9 6010.2,7518.6 6016.8,7442.8 6056.0,7272.4 6063.7,7209.8 5949.7,7212.1 5923.7,6925.6 5927.6,6911.3 5954.6,6888.9 5926.0,6849.8 5978.2,6812.6 5988.7,6836.3 6015.0,6823.1 6038.8,6821.8 6043.8,6807.6 6022.7,6769.1 5998.4,6739.5 6001.4,6704.8 5820.5,6832.6 5784.9,6783.9 5846.8,6739.8 5759.9,6611.0 5790.4,6584.3 5670.4,6437.6 5608.0,6410.2 5574.6,6480.4 5458.4,6666.2 5427.8,6662.2 5298.8,6690.8 5164.6,6740.3 5102.6,6787.0 4994.6,6895.6 5076.8,6966.2 4927.3,7121.3 5093.6,7261.4 5054.0,7311.2 4969.4,7246.6 4907.8,7189.3 4900.0,7171.1 4911.9,7108.0 4847.5,7060.6 4829.6,7103.8 4815.4,7213.4 4739.3,7388.1 4933.6,7476.9 4911.1,7534.1 4903.9,7538.0 4766.1,7492.6 4715.5,7483.7 4709.3,7567.9 4581.4,7463.2 4513.9,7520.9 4408.8,7594.3 4356.3,7565.3 4331.2,7541.0 4265.1,7379.5 4265.5,7368.3 4204.7,7392.6 4219.3,7430.2 4217.0,7442.8 4106.1,7553.5 4092.0,7560.5 4078.6,7548.9 4074.2,7440.1 3848.2,7470.1 3608.7,7590.6 3488.9,7632.0 3451.2,7652.0 3333.8,7652.0 3413.3,7622.4 3418.4,7609.7 3416.0,7587.3 3407.8,7575.1 3395.7,7570.0 3258.4,7609.4 3274.9,7652.0 2799.7,7652.0 2623.0,7478.8 2588.9,7386.6 2497.9,7410.2 2494.7,7389.6 2484.5,7374.3 2406.2,7339.8 2368.9,7305.8 2318.8,7302.3 2242.3,7309.3 2195.1,7332.1 2153.0,7378.2 2125.7,7353.7 2036.4,7237.5 2023.7,7247.8 1948.3,7359.5 1898.5,7390.5 1846.0,7400.2 1688.3,7386.4 1665.8,7395.8 1628.3,7430.7 1534.4,7446.7 1493.1,7437.6 1476.6,7427.0 1403.7,7336.6 1272.3,7230.3 1226.6,7212.9 1165.1,7211.3 1152.5,7217.1\" /></svg>"}},"body":{"id":"https://tile.loc.gov/image-services/iiif/service:gmd:gmd376m:g3764m:g3764dm:g037141948:03714_1948-0001b/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[3556.1,2931.8],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9451216,42.5652273]}},{"type":"Feature","properties":{"resourceCoords":[441.1,3256.9],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9892192,42.5705542]}}]}}]}