Pearl M. & Julia J. Harmon Foundation HomePrograms HistoryNational Solar Tour National Solar Tour National Solar Tour 2006 & 2007 The largest known solar heated building in Oklahoma. — Harmon Community Center/Library 224 South Pine Street Nowata, Oklahoma Map This site uses cookies from Google to deliver its services and to analyze traffic. Information about your use of this site is shared with Google. By using this site, you agree to its use of cookies. LEARN MOREGOT IT