TY - BOOK AU - Johnson,William N. AU - Fifer,R.Scott TI - Water quality considerations for highway planning and construction 1-70 Vail Pass, Colorado U1 - 628.1680973 PY - 0000///[n.d.] CY - Colorado PB - U.S. Forest Service KW - Water quality managementes KW - United States KW - Sewage KW - Purification ER -