Better search for some reason from the same source exists here. You can do a broad search and then gradually filter it, and the software recognizes places for you automatically. Better for some reason. I get more results here:
http://pilot.familysearch.org/recordsearch/start.html#p=home
Source for searching land patents from the 1700s through 1900s.
http://www.glorecords.blm.gov/PatentSearch/
You can actually view the scanned patent document. This search enabled me to locate Michael Pfouts in Harrison County on 80 acres secured in 1831.
Great diary from 1800s Harrison County mentions the Foutzes and also has great resources listed here:
http://www.ohiodiary1872.com/resources.htm
Google Books index of Historical Collections of Harrison County
http://books.google.com/books?id=V-ouAAAAYAAJ&pg=PA201&lpg=...