TY - BOOK T1 - Dissolved oxygen in the Tualatin River, Oregon, during winter flow conditions, 1991 and 1992 / DA - [1997?] CY - [Reston, Va.?] : CY - Denver, CO : AU - Kelly, Valerie J. VL - 2465-A CN - TC801 CN - TD428.S47 CN - TC801 PB - U.S. Dept. of the Interior, U.S. Geological Survey ; PB - For sale by the U.S. Geological Survey, Information Services, PP - [Reston, Va.?] : PP - Denver, CO : PY - [1997?] N1 - Shipping list no.: 99-0138-P. ID - 213834 KW - Sewage disposal plants KW - Water KW - Streamflow SN - 0607874856 TI - Dissolved oxygen in the Tualatin River, Oregon, during winter flow conditions, 1991 and 1992 / ER -