External Data Sources

Natural Earth

Natural Earth is a public domain map dataset available at 1:10m, 1:50m, and 1:110 million scales, which features tightly integrated vector and raster data. Based on the Natural Earth data, the IO-MAO-APPS application uses the following datasets:

Cities (places)

From: Populated Places - City and town points, from Tokyo to Wasilla, Cairo to Kandahar (populated places).

Results:

      latitude  longitude                  adm0name   adm1name        name  population                    geometry  capital
588  44.290487 -93.268013  United States of America  Minnesota   Faribault       25376  POINT (-93.26801 44.29049)        0
589  44.163621 -93.999157  United States of America  Minnesota     Mankato       56325  POINT (-93.99916 44.16362)        0
590  43.647787 -93.368704  United States of America  Minnesota  Albert Lea       20522   POINT (-93.3687 43.64779)        0
591  45.121883 -95.043305  United States of America  Minnesota     Willmar       18473   POINT (-95.0433 45.12188)        0
592  46.358009 -94.200850  United States of America  Minnesota    Brainerd       28187  POINT (-94.20085 46.35801)        0

Country borders

From: Admin 0 - Boundary Lines - Country boundaries on land and offshore (land boundaries).

Results:

    ADM0_A3_L ADM0_A3_R ADM0_LEFT                ADM0_RIGHT                                           geometry
0         CAN       USA    Canada  United States of America  LINESTRING (-124.75887 48.49402, -124.58286 48...
12        CAN       USA    Canada  United States of America  MULTILINESTRING ((-141.00555 69.65094, -141.00...
14        CAN       USA    Canada  United States of America  MULTILINESTRING ((-123.02765 48.99257, -122.87...
296       CAN       USA    Canada  United States of America  LINESTRING (-122.75301 48.99251, -122.65326 48...
297       MEX       USA    Mexico  United States of America  MULTILINESTRING ((-111.00627 31.32718, -111.06...

State borders

From: Admin 1 - States, Provinces - Over 4,500 internal administrative divisions of countries (boundaries lines).

Results:

    ADM0_A3                 ADM0_NAME                                           geometry
84      USA  United States of America  LINESTRING (-75.37738 38.0152, -75.26303 38.02...
541     USA  United States of America  MULTILINESTRING ((-72.14153 41.2501, -72.07884...
542     USA  United States of America  LINESTRING (-71.86083 41.25888, -71.79097 41.1...
543     USA  United States of America  LINESTRING (-74.05462 40.65341, -74.08561 40.6...
545     USA  United States of America  LINESTRING (-71.12196 41.51295, -71.12197 41.5...

The entire processing is done with task d_n_e in the run_io_map_apps scripts.