Historical Marker Program

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100th Meridian

Harmon County
Location: on US-6, four miles west of Hollis (DAR)
Sponsor(s): Daughters of the American Revolution
Topics: Government; Westward Expansion, 1803–1861

Now the Oklahoma-Texas border, the 100th Meridian was part of the disputed boundary between Spanish territory and the vast Louisiana Purchase, a boundary solidified by the Adams-Onis Treaty in 1819.

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La Casa School

Harmon County
Location: on US-62, three miles east of Hollis
Material: Granite
Topics: Early Statehood, 1907–1941; Education

The La Casa School was formed in 1925 by consolidating three schools: Mesquite, Star Valley, and Bearden. The first class graduated in 1928. The school closed in 1957.

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Ron School

Harmon County
Location: on OK-30, seven miles north of Hollis
Material: Granite
Topics: Early Statehood, 1907–1941; Education

The Ron School began in 1939 with the consolidation of schools at Dryden, McKnight, Metcalf, and Teacross. The last class graduated in 1964 when the school became part of the Hollis Public Schools.

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Vinson

Harmon County
Location: on OK-9 in Vinson
Topics: Early Statehood, 1907–1941; Education; Government; Modern Period, 1982–present

A post office was established here on August 20, 1903, named for Henry B. Vinson, the owner of the townsite. The Vinson School closed in 1964 after serving children for decades from the surrounding communities of Cave Creek, Independence, Union Grove, Madge, Opal, Carl, Sulphur, Union Hill, Hurst, Hackberry, and Elm Valley.