I came across this site (i believe it is from a Swiss University,
and some of their pages are in German.)
http://www.swe.uni-linz.ac.at/staff/bob/country/states/rest.html
I was looking for an album called oregon Trails by Larry Bulaich.
http://www.swe.uni-linz.ac.at/staff/bob/country/states/ORtrails.html