Harmon County

County Seat: Hollis, Oklahoma 73550

Following an election on May 22, 1909, Harmon County was created by proclamation of Governor Lee Cruce on June 2. Carved from adjacent Greer County, the new county was named in honor of Judson Harmon, who was Governor of Ohio at the time.


100th Meridian Oklahoma/Texas State Line
The 100th meridian first marked the boundary between the Republic of Texas and the vast Louisiana Purchase establishing this boundary was one of the most far reaching events in which the nation engaged. In 1927 the U.S. Supreme Court established the OK/TX state line along this boundary. The ...
Harmon County Courthouse
Harmon County Courthouse Listed on the National Register of Historic Places in 1984.
La Casa School
La Casa was located five miles south of this marker. It was formed by consolidating three schools: Mesquite, Star Valley and Bearden. Classes began in a new building after Christmas 1925, with the first graduate in 1928. La Casa was the nucleus of most community activities. An era ende ...
Old Greer County
S. and W. of North Fork of Red R. Greer Co. was named and governed as part of Texas from 1806 until 1896 when U.S. Supreme Crt. decision made it part of Oklahoma Ter. This county area was claimed by 14 different governments from 1669 to Oklahoma statehood in 1907; since then it has b ...
Ron School
Ron School was located 3 miles east and 1/2 mile south of this marker. The school was formed in the spring of 1939 by a special election to consolidate schools of Dryden, McKnight, Metcalf, and Tearcross. The first senior class was 1939 and the last class to gradute was 1964 when Ron School w ...