BostonMap_1814 (Map Service)
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Current Version: 10.81
Service Description: Map was downloaded from Boston Public Library https://geo.leventhalmap.org/maps/20#Export_tab
The downloaded map as wrapped GeoTIFF file did not line up well with the Esri Street basemap at larger scales. Carleton College GIS Lab georeferenced the map using Esri Street base map and historical buildings as reference data. Alignment was examined when possible at the scale of 1:2,400.
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Description: Map was downloaded from Boston Public Library https://geo.leventhalmap.org/maps/20#Export_tab
The downloaded map as wrapped GeoTIFF file did not line up well with the Esri Street basemap at larger scales. Carleton College GIS Lab georeferenced the map using Esri Street base map and historical buildings as reference data. Alignment was examined when possible at the scale of 1:2,400.
Copyright Text: Boston Public Library, Carleton College GIS Lab
Spatial Reference:
102100
Single Fused Map Cache: true
Capabilities: Map,TilesOnly
Tile Info:
- Height: 256
- Width: 256
- DPI: 96
- Levels of Detail: (# Levels: 19)
- Level ID: 0 [Start Tile, End Tile]
Resolution: 156543.033928
Scale: 5.91657527591555E8
- Level ID: 1 [Start Tile, End Tile]
Resolution: 78271.5169639999
Scale: 2.95828763795777E8
- Level ID: 2 [Start Tile, End Tile]
Resolution: 39135.7584820001
Scale: 1.47914381897889E8
- Level ID: 3 [Start Tile, End Tile]
Resolution: 19567.8792409999
Scale: 7.3957190948944E7
- Level ID: 4 [Start Tile, End Tile]
Resolution: 9783.93962049996
Scale: 3.6978595474472E7
- Level ID: 5 [Start Tile, End Tile]
Resolution: 4891.96981024998
Scale: 1.8489297737236E7
- Level ID: 6 [Start Tile, End Tile]
Resolution: 2445.98490512499
Scale: 9244648.868618
- Level ID: 7 [Start Tile, End Tile]
Resolution: 1222.99245256249
Scale: 4622324.434309
- Level ID: 8 [Start Tile, End Tile]
Resolution: 611.49622628138
Scale: 2311162.217155
- Level ID: 9 [Start Tile, End Tile]
Resolution: 305.748113140558
Scale: 1155581.108577
- Level ID: 10 [Start Tile, End Tile]
Resolution: 152.874056570411
Scale: 577790.554289
- Level ID: 11 [Start Tile, End Tile]
Resolution: 76.4370282850732
Scale: 288895.277144
- Level ID: 12 [Start Tile, End Tile]
Resolution: 38.2185141425366
Scale: 144447.638572
- Level ID: 13 [Start Tile, End Tile]
Resolution: 19.1092570712683
Scale: 72223.819286
- Level ID: 14 [Start Tile, End Tile]
Resolution: 9.55462853563415
Scale: 36111.909643
- Level ID: 15 [Start Tile, End Tile]
Resolution: 4.77731426794937
Scale: 18055.954822
- Level ID: 16 [Start Tile, End Tile]
Resolution: 2.38865713397468
Scale: 9027.977411
- Level ID: 17 [Start Tile, End Tile]
Resolution: 1.19432856685505
Scale: 4513.988705
- Level ID: 18 [Start Tile, End Tile]
Resolution: 0.597164283559817
Scale: 2256.994353
- Format: PNG
- Compression Quality: 0
- Origin:
X: -2.0037508342787E7
Y: 2.0037508342787E7
- Spatial Reference:
102100
Initial Extent:
XMin: -7914495.921949946
YMin: 5211966.60925092
XMax: -7905956.641262299
YMax: 5216980.334955904
Spatial Reference:
102100
Full Extent:
XMin: -7912055.468814303
YMin: 5212205.884632434
XMax: -7908398.437840135
YMax: 5216742.500381731
Spatial Reference:
102100
Min Scale: 5.91657527591555E8
Max Scale: 2256.994353
Min LOD: 0
Max LOD: 18
Units: esriMeters
Supported Image Format Types: PNG
Export Tiles Allowed: false
Max Export Tiles Count: 100000
Document Info:
- Title: Boston Map - 1814
- Author: szabin
- Comments:
- Subject: 1814 Boston map georeferenced with 28 control points using Spline transformation
- Category:
- Keywords: Boston, Map, 1814, Historical, 1800's