Here are several links that will tell you more about Montana, the Bitterroot Valley, its towns, county and recreation.
Visit the Bitterroot http://www.visitbitterrootvalley.com/
Hamilton http://www.usa.com/59840-mt-housing.htm
Stevensville http://www.usa.com/59870-mt.htm
Corvallis http://www.usa.com/59828-mt.htm
Victor http://www.usa.com/59870-mt.htm
Darby http://www.usa.com/59829-mt.htm
Florence http://www.usa.com/59833-mt.htm
Ravalli County http://www.usa.com/ravalli-county-mt.htm
Montana http://www.usa.com/montana-state.htm
Video on Bitterroot Valley https://www.youtube.com/watch?v=-9BJ5vqLmWc (you will need to cut and paste this site the video is just over a minute and gives you all the high lites of the Bitterroot)