/usr/ is in guile-gnome2-gnome 2.16.2-1.1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/guile-gnome-2/
/usr/lib/guile-gnome-2/libgw-guile-gnome-libgnome.so.0.0.0
/usr/lib/guile-gnome-2/libgw-guile-gnome-libgnome.la
/usr/share/
/usr/share/guile-gnome-2/
/usr/share/guile-gnome-2/gnome/
/usr/share/guile-gnome-2/gnome/gw/
/usr/share/guile-gnome-2/gnome/gw/libgnome.scm
/usr/share/guile-gnome-2/gnome/gnome.scm
/usr/share/doc/
/usr/share/doc/guile-gnome2-gnome/
/usr/share/doc/guile-gnome2-gnome/copyright
/usr/lib/guile-gnome-2/libgw-guile-gnome-libgnome.so.0
/usr/lib/guile-gnome-2/libgw-guile-gnome-libgnome.so
/usr/share/doc/guile-gnome2-gnome/README
/usr/share/doc/guile-gnome2-gnome/changelog.Debian.gz
/usr/share/doc/guile-gnome2-gnome/AUTHORS
/usr/share/doc/guile-gnome2-gnome/NEWS.gz