Third-party notices

Expeal uses open-source work. Its licenses ask that we reproduce their notices, so here they are.

Each notice below is the copyright and permission text its license asks us to reproduce. The warranty disclaimer stays in each project's own license file.

us-atlas, topojson-client, topojson-simplify and d3-geo

The map shapes, drawn from U.S. Census Bureau cartographic boundaries.

us-atlas: ISC, Copyright 2013-2019 Michael Bostock. topojson-client: ISC, Copyright 2012-2019 Michael Bostock. topojson-simplify: ISC, Copyright 2012-2019 Michael Bostock. d3-geo: ISC, Copyright 2010-2024 Mike Bostock. Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.