Natural Earth geographic data

Primary authors: Tom Patterson and Nathaniel Vaughn Kelso, with contributors.
The publisher declares all versions of its vector and raster data public domain;
commercial use, modification and redistribution are permitted and attribution
is not required. Optional credit: Made with Natural Earth.

Terms: https://www.naturalearthdata.com/about/terms-of-use/
Source commit: ca96624a56bd078437bca8184e78163e5039ad19
Per-file source and distribution hashes: src/azimlib/data/manifest.json
This notice summarizes the publisher declaration, not an Azimlib copyright claim.
