The Tar Creek Superfund Site (and specifically the Catholic 40 site) is located in northern Oklahoma and extends into Missouri and Kansas. The Catholic 40 is a 40 acre tract of land owned by the Quapaw Tribe that has cultural and historical significance. Historical structures include remnants of a Catholic church, a school and a cemetery constructed in the late 1800’s.
- The Quapaw signed a MOA (2013) to oversee Remedial Action at the Catholic 40 site on lands owned by the Tribe.
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