/usr/include/GeographicLib/ is in libgeographiclib-dev 1.8-2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/GeographicLib/AlbersEqualArea.hpp
/usr/include/GeographicLib/AzimuthalEquidistant.hpp
/usr/include/GeographicLib/CassiniSoldner.hpp
/usr/include/GeographicLib/Constants.hpp
/usr/include/GeographicLib/DMS.hpp
/usr/include/GeographicLib/EllipticFunction.hpp
/usr/include/GeographicLib/GeoCoords.hpp
/usr/include/GeographicLib/Geocentric.hpp
/usr/include/GeographicLib/Geodesic.hpp
/usr/include/GeographicLib/GeodesicLine.hpp
/usr/include/GeographicLib/Geoid.hpp
/usr/include/GeographicLib/Gnomonic.hpp
/usr/include/GeographicLib/LambertConformalConic.hpp
/usr/include/GeographicLib/LocalCartesian.hpp
/usr/include/GeographicLib/MGRS.hpp
/usr/include/GeographicLib/OSGB.hpp
/usr/include/GeographicLib/PolarStereographic.hpp
/usr/include/GeographicLib/TransverseMercator.hpp
/usr/include/GeographicLib/TransverseMercatorExact.hpp
/usr/include/GeographicLib/UTMUPS.hpp