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Εμφανίζονται 1 - 20 Αποτελέσματα από 23.019 για την αναζήτηση '"Water quality."', χρόνος αναζήτησης: 1,87δλ Περιορισμός αποτελεσμάτων
1
Water quality in the Potomac River basin, Maryland, Pennsylvania, Virginia, West Virginia, and the District of Columbia, 1992-96 /
Reston, VA : Denver, CO : U.S. Geological Survey, Water Resources Division ; Free on application to the U.S. Geological Survey, Information Services, 1998
Θέματα: “...Water quality Potomac River Watershed....”

Βιβλίο
2
Ambient water quality criteria recommendations information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion III-xeric west including all or parts of the states of Washington, Oregon, California, Nevada, Idaho, Wyoming, Montana, Utah, Colorado, New Mexico, Arizona, Texas and the authorized tribes within the ecoregion.
[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, Office of Science and Technology, Health and Ecological Criteria Division, 2000
Θέματα: “...Water quality Government policy Washington (State)...”

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Κυβερνητικό Έγγραφο Ηλεκτρονική πηγή Βιβλίο
3
Ambient water quality criteria recommendations information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion III-xeric west including all or parts of the states of Washington, Oregon, California, Nevada, Idaho, Wyoming, Montana, Utah, Colorado, New Mexico, Arizona, Texas and the authorized tribes within the ecoregion.
[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, Office of Science and Technology, Health and Ecological Criteria Division, 2000
Θέματα: “...Water quality Government policy Washington (State)...”

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Κυβερνητικό Έγγραφο Ηλεκτρονική πηγή Βιβλίο
4
Surface-water-quality assessment of the Upper Illinois River Basin in Illinois, Indiana, and Wisconsin : pesticides and other synthetic organic compounds in water, sediment, and biota, 1975-90 /
ανά Sullivan, D. J. (Daniel J.), Coleman, John A.
Urbana, Illinois : U.S. Geological Survey, 1998
Θέματα: “...Water quality Illinois River Watershed....”

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5
Quality of surface water in the coal-mining areas of western Maryland and adjacent areas of Pennsylvania and West Virginia from April 1979 to June 1980
ανά Staubitz, W. W. (Ward W.)
Towson, Md. : U.S. Dept. of the Interior, Geological Survey, 1981
Θέματα: “...Water quality Maryland....”

Κυβερνητικό Έγγραφο Βιβλίο
6
Ambient water quality criteria recommendations information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion II-western forested mountains including all or parts of the states of Washington, Oregon, California, Idaho, Montana, Wyoming, Utah, Colorado, South Dakota, New Mexico, Arizona and the authorized tribes within the ecoregion.
[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, Office of Science and Technology, Health and Ecological Criteria Division, 2000
Θέματα: “...Water quality Government policy Washington (State)...”

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Κυβερνητικό Έγγραφο Ηλεκτρονική πηγή Βιβλίο
7
Ambient water quality criteria recommendations information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion II-western forested mountains including all or parts of the states of Washington, Oregon, California, Idaho, Montana, Wyoming, Utah, Colorado, South Dakota, New Mexico, Arizona and the authorized tribes within the ecoregion.
[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, Office of Science and Technology, Health and Ecological Criteria Division, 2000
Θέματα: “...Water quality Government policy Washington (State)...”

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8
Evaluation of water-quality and habitat assessment data to determine ranges in stream conditions in the Mississippi River Alluvial Plain of northwestern Mississippi and eastern Arkansas /
ανά Rebich, Richard A.
Reston, Va. : Denver, CO : U.S. Geological Survey, Information Services [distributor], U.S. Dept. of the Interior, U.S. Geological Survey ; 2004
Θέματα: “...Water quality Mississippi River....”

Βιβλίο
9
Water quality criteria: 1972 : a report of the Committee on Water Quality./
Washington, D.C. : Environmental Protection Agency, 1972
Θέματα: “...Water quality....”

Κυβερνητικό Έγγραφο Βιβλίο
10
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.
[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, Office of Science and Technology, Health and Ecological Criteria Division, 2001
Θέματα: “...Water quality Government policy North Dakota....”

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11
Ambient water quality criteria recommendations information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion VI-corn belt And northern great plains including all or parts of the states of South Dakota, North Dakota, Nebraska, Minnesota, Iowa, Illinois, Wisconsin, Indiana, Michigan, Ohio and the authorized Tribes within the Ecoregion.
[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, Office of Science and Technology, Health and Ecological Criteria Division, 2000
Θέματα: “...Water quality Government policy North Dakota....”

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12
Ambient water quality criteria recommendations information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion V-south central cultivated great plains including all or parts of the states of Montana, North Dakota, South Dakota, Nebraska, Wyoming, Colorado, Kansas, Oklahoma, Texas, and New Mexico, and the authorized Tribes within the Ecoregion.
[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, Office of Science and Technology, Health and Ecological Criteria Division, 2001
Θέματα: “...Water quality Government policy North Dakota....”

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Κυβερνητικό Έγγραφο Ηλεκτρονική πηγή Βιβλίο
13
Ambient water quality criteria recommendations information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion V-south central cultivated great plains including all or parts of the states of Montana, North Dakota, South Dakota, Nebraska, Wyoming, Colorado, Kansas, Oklahoma, Texas, and New Mexico, and the authorized Tribes within the Ecoregion.
[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, Office of Science and Technology, Health and Ecological Criteria Division, 2001
Θέματα: “...Water quality Government policy North Dakota....”

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Κυβερνητικό Έγγραφο Ηλεκτρονική πηγή Βιβλίο
14
Ambient water quality criteria recommendations information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion VI-corn belt And northern great plains including all or parts of the states of South Dakota, North Dakota, Nebraska, Minnesota, Iowa, Illinois, Wisconsin, Indiana, Michigan, Ohio and the authorized Tribes within the Ecoregion.
[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, Office of Science and Technology, Health and Ecological Criteria Division, 2000
Θέματα: “...Water quality Government policy North Dakota....”

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Κυβερνητικό Έγγραφο Ηλεκτρονική πηγή Βιβλίο
15
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.
[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, Office of Science and Technology, Health and Ecological Criteria Division, 2001
Θέματα: “...Water quality Government policy North Dakota....”

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Κυβερνητικό Έγγραφο Ηλεκτρονική πηγή Βιβλίο
16
Ambient water quality criteria recommendations information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion VII-mostly glaciated dairy region including all or parts of the states of New York, Pennsylvania, Michigan, Wisconsin, Minnesota, Ohio, Indiana, Illinois, Iowa and the authorized Tribes within the Ecoregion.
[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, Office of Science and Technology, Health and Ecological Criteria Division, 2000
Θέματα: “...Water quality Government policy New York (State)...”

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Κυβερνητικό Έγγραφο Ηλεκτρονική πηγή Βιβλίο
17
Ambient water quality criteria recommendations information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion VII-mostly glaciated dairy region including all or parts of the states of New York, Pennsylvania, Michigan, Wisconsin, Minnesota, Ohio, Indiana, Illinois, Iowa and the authorized Tribes within the Ecoregion.
[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, Office of Science and Technology, Health and Ecological Criteria Division, 2000
Θέματα: “...Water quality Government policy New York (State)...”

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18
Water quality in the Ozark plateaus, Arkansas, Kansas, Missouri, and Oklahoma, 1992-95 /
[Washington, D.C.] : Denver, CO : U.S. Dept. of the Interior, U.S. Geological Survey ; Free on application to the U.S. Geological Survey, Information Services, 1998
Θέματα: “...National Water-Quality Assessment Program (U.S.)...”

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19
Ambient water quality criteria recommendations information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion X - Texas-Louisiana Coastal and Mississippi alluvial plains, including all or parts of the states of Texas, Louisiana, Mississippi, Arkansas, Tennessee, Kentucky, Missouri, and Illinois, and the authorized Tribes within the Ecoregion.
[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, Office of Science and Technology, Health and Ecological Criteria Division, 2001
Θέματα: “...Water quality Government policy Texas....”

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20
Ambient water quality criteria recommendations information supporting the development of state and tribal nutrient criteria for rivers and streams in nutrient ecoregion X - Texas-Louisiana Coastal and Mississippi alluvial plains, including all or parts of the states of Texas, Louisiana, Mississippi, Arkansas, Tennessee, Kentucky, Missouri, and Illinois, and the authorized Tribes within the Ecoregion.
[Washington, D.C.] : United States Environmental Protection Agency, Office of Water, Office of Science and Technology, Health and Ecological Criteria Division, 2001
Θέματα: “...Water quality Government policy Texas....”

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