catchmentACS is copyright JoonHo Lee and is licensed under the MIT license
(see the file LICENSE).

Some of the data files installed with the package hold data from other
sources. The folders are those of the installed package; in the source
package they are under inst/.

These files hold drive-time areas computed from OpenStreetMap data, or values
computed from such areas:

  extdata/visual_walkthrough_fixture.rds
  testdata/fixture_032_3site_fresh.rds
  testdata/iso_3site_demo.rds
  testdata/run_result_3site_demo.rds
  testdata/fixture_cache_poison.rds

OpenStreetMap data: © OpenStreetMap contributors, available under the Open
Database License (https://www.openstreetmap.org/copyright).

These files hold American Community Survey estimates, values computed from
them, or census tract boundaries from the U.S. Census Bureau, which, as works
of the United States Government, are not subject to copyright in the United
States:

  extdata/visual_walkthrough_fixture.rds
  testdata/fixture_032_3site_fresh.rds
  testdata/run_result_3site_demo.rds
  testdata/fixture_water_tract_baldwin.rds