/usr/ is in libjana-ecal-dev 0.0.0+git20091215.9ec1da8a-4+build3.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/jana/
/usr/include/jana/libjana-ecal/
/usr/include/jana/libjana-ecal/jana-ecal-component.h
/usr/include/jana/libjana-ecal/jana-ecal-event.h
/usr/include/jana/libjana-ecal/jana-ecal-note.h
/usr/include/jana/libjana-ecal/jana-ecal-store-view.h
/usr/include/jana/libjana-ecal/jana-ecal-store.h
/usr/include/jana/libjana-ecal/jana-ecal-task.h
/usr/include/jana/libjana-ecal/jana-ecal-time.h
/usr/include/jana/libjana-ecal/jana-ecal-utils.h
/usr/include/jana/libjana-ecal/jana-ecal.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/libjana-ecal.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libjana-ecal-dev/
/usr/share/doc/libjana-ecal-dev/copyright
/usr/lib/x86_64-linux-gnu/libjana-ecal.so
/usr/share/doc/libjana-ecal-dev/AUTHORS
/usr/share/doc/libjana-ecal-dev/README
/usr/share/doc/libjana-ecal-dev/changelog.Debian.gz