One of Oklahoma's largest state parks was established in the the 1940s in what area?

A. Anadarko Basin

B. Red River

C. Lake Murray

D. Roman Nose

the answer is C. Lake Murray

The correct answer is C) Lake Murray.

One of Oklahoma's largest state parks was established in the 1940s in Lake Murray.

Indeed, this famous park is the oldest in the state of Oklahoma. The park has 12,500 acres. The lake was constructed in the park in times of Oklahoma's governor William Murray (1931-1936). He totally supported the efforts to create a great park for the recreation and amusement of all the people of the state.