"Joshua Tree" is also on the "Veterans Day Anthology"(2008)

http://www.amazon.ca/Veterans-Day-Anthology-Digi-Russell/dp/tracks/B001G7EGRE/ref=dp_tracks_all_1#disc_1

I've seen it new on both amazon.ca and amazon.com, but the Canadian site gives the track listing.

Village Records has a lot of Tom Russell CDs, including the "Early Years" and the "Veterans Day Anthology"

http://villagerecords.com/