Lake Choctaw
... that the pH of Lake Choctaw increased from 4.5–5.0 to 6.5–7.0 within two months of the installation of a treatment system at the Oneida Number One Tunnel in 2000?
... that the <a href="./PH" id="mwAfY" rel="mw:WikiLink" title="PH">pH</a> of <b id="mwAfc"><a href="./Lake_Choctaw" id="mwAfg" rel="mw:WikiLink" title="Lake Choctaw">Lake Choctaw</a></b> increased from 4.5–5.0 to 6.5–7.0 within two months of the installation of a treatment system at the Oneida Number One Tunnel in 2000?