well just by a quick check online he walter m mozley born 17 jan 1871 london england served in ww1 with a canadian unit reg#312012
family appears on the 1911 census for manitoba
going to
http://abgensoc.ca/homestead/search.php and type in mozley will get you basic land location in alberta
then use
http://abgensoc.ca/land/search.php for post1930 land records