erc: who: Gamble, M. D. what: Washita River Streambank Erosion when: 19470507 where: https://gateway.okhistory.org/ark:/67531/metadc1925944/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://gateway.okhistory.org/ark:/67531/