||Ambient water quality criteria recommendations : information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion IV : Great Plains grass and shrublands including all or parts of North Dakota, South Dakota, Montana, Wyoming, Nebraska, Colorado, Kansas, Oklahoma, New Mexico, and Texas and the authorized Tribes within the ecoregion /
|| U.S. Environmental Protection Agency, Office of Water : Office of Science and Technology, Health and Ecological Criteria Division,
Water quality--Middle West. ;
Water quality--Great Plains. ;
Water--Pollution--Middle West. ;
Water--Pollution--Great Plains. ;
Nutrient pollution of water--Middle West. ;
Nutrient pollution of water--Great Plains. ;
Water quality--Standards--Middle West. ;
Water quality--Standards--Great Plains.
||xii, 31,  p. : col. ill., col. maps, charts, tables ; 28 cm.
"December 2001." Includes bibliographical references (p. 30-31). "EPA 822-B-01-013."