What was the definitive ruling by the US Supreme Court in 1921 regarding the Texas-Oklahoma boundary?

The definitive ruling by the US Supreme Court in 1921 regarding the Texas-Oklahoma boundary established that the boundary is determined to be the south bank of the Red River. This decision clarified the legal boundary line between Texas and Oklahoma based on historical documents and the original statehood agreements. The significance of this ruling lies in its confirmation of the established boundary as being defined by geographical features, in this case, the Red River.

Understanding this boundary is essential for land use, property rights, and jurisdictional issues between the two states. Additionally, it highlights how legal interpretations can affect territorial claims, which is a critical concept in land surveying and property law. The ruling has had lasting implications on how boundaries are litigated and interpreted in context with natural landmarks.