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Search Results for the EPA National Library Catalog
Items Found: 881
Showing: Items 451 - 500
Your Search: (SUBJECT=Water quality United States)
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Title
Year Published
451
QNCR Workshop /
1993
452
Quality assurance requirements for water-quality laboratories providing analytical survices for the Water Resources Division of the U.S. Geological Survey
1991
453
Quality of drinking water--1980 : hearings before the Subcommittee on Health and the Environment of the Committee on Interstate and Foreign Commerce, House of Representatives, Ninety-sixth Congress, second session ... June 6, 9, and August 18, 1980.
1980
454
Quality of rivers of the United States, 1975 water year : based on the National Stream Quality Accounting Network (NASQAN) /
1977
455
Quality of surface water of the United States, 1970 : part 7, Lower Mississippi River Basin ; prepared in cooperation with the states of Arkansas, Colorado, Kansas, Kentucky, Louisiana, Mississippi, Missouri, New Mexico, Oklahoma, Texas, and with other agencies.
1975
456
Quality of surface waters of the United States, 1948 /
1952
457
Quality of surface waters of the United States, 1948; parts 1 -6
1953
458
Quality of surface waters of the United States, 1949 parts 7 -14 /
1953
459
Quality of surface waters of the United States, 1949; parts 1 -6
1953
460
Quality of surface waters of the United States, 1952 : parts 7 and 8, lower Mississippi River basin and western Gulf of Mexico basins /
1956
461
Quality of surface waters of the United States, 1952 Colorado River Basin to Pacific slope basins in Oregon and lower Columbia River Basin /
1957
462
Quality of surface waters of the United States, 1952 North Atlantic slope basins to St. Lawrence River Basin /
1956
463
Quality of surface waters of the United States, 1954 Hudson Bay and upper Mississippi River basins, and Missouri River Basin /
1958
464
Quality of surface waters of the United States, 1954. Parts 7-8, Lower Mississippi River basin and western Gulf of Mexico basins /
1959
465
Quality of surface waters of the United States, 1955. Parts 7 and 8, Lower Mississippi River basin and western Gulf of Mexico basins /
1959
466
Quality of surface waters of the United States, 1958 Colorado River Basin to Pacific Slope Basins in Oregon and Lower Columbia River Basin /
1964
467
Quality of surface waters of the United States, 1958 Hudson Bay and Upper Mississippi River Basins, and Missouri River Basin /
1962
468
Quality of surface waters of the United States, 1958. Parts 1-4, North Atlantic Slope Basins to St. Lawrence River Basin /
1962
469
Quality of surface waters of the United States, 1960. Parts 1 and 2. North Atlantic Slope Basins and South Atlantic Slope and Eastern Gulf of Mexico Basins
1968
470
Quality of surface waters of the United States, 1960; parts 7 and 8, lower Mississippi river basin and western gulf of Mexico basins.
1968
471
Quality of surface waters of the United States, 1961. Parts 7 and 8, Lower Mississippi River basin and western Gulf of Mexico basin /
1967
472
Quality of surface waters of the United States, 1962. Parts 7 and 8, Lower Mississippi river basin and western gulf of Mexico basins /
1964
473
Quality of surface waters of the United States, 1963 Colorado River Basin to Pacific slope basins in Oregon and lower Columbia River Basin /
1966
474
Quality of surface waters of the United States, 1963 Hudson Bay and upper Mississippi River basins, and Missouri River Basin /
1966
475
Quality of surface waters of the United States, 1963 North Atlantic slope basins and south Atlantic slope and eastern Gulf of Mexico basins /
1967
476
Quality of surface waters of the United States, 1963 Ohio River Basin and St. Lawrence River Basin /
1965
477
Quality of surface waters of the United States, 1963. Parts 7 and 8, Lower Mississippi River Basin and western Gulf of Mexico basins /
1966
478
Quality of surface waters of the United States, 1964. Parts 7 and 8, Lower Mississippi River basin and western Gulf of Mexico basins /
1969
479
Quality of surface waters of the United States, 1966. Parts 7 and 8, Lower Mississippi River basin and western Gulf of Mexico basins /
1971
480
Quality of surface waters of the United States, 1967 Colorado River basin to Pacific Slope basins in California /
1972
481
Quality of surface waters of the United States, 1967 Hudson Bay and upper Mississippi River basins and Missouri River Basin /
1971
482
Quality of surface waters of the United States, 1967 Lower Mississippi River basin and western Gulf of Mexico basins /
1972
483
Quality of surface waters of the United States, 1967 North Atlantic slope basins and south Atlantic slope and eastern Gulf of Mexico basins /
1971
484
Quality of surface waters of the United States, 1967 North Pacific Slope Basins, Alaska, and Hawaii and other Pacific areas /
1972
485
Quality of surface waters of the United States, 1967 Ohio River basin and St. Lawrence River basin /
1971
486
Quality of surface waters of the United States, 1968 : Parts 9-10, Colorado River basin and the Great Basin /
1973
487
Quality of surface waters of the United States, 1968 North Atlantic slope basins /
1972
488
Quality of surface waters of the United States, 1968 North Pacific slope basins, Alaska, Hawaii, and other Pacific Areas /
1973
489
Quality of surface waters of the United States, 1968 Ohio River Basin /
1973
490
Quality of surface waters of the United States, 1968 Pacific slope basins in California /
1972
491
Quality of surface waters of the United States, 1968 South Atlantic slope and eastern Gulf of Mexico basins /
1973
492
Quality of surface waters of the United States, 1968 Western Gulf of Mexico basins /
1974
493
Quality of surface waters of the United States, 1969 North Atlantic slope basins /
1974
494
Quality of surface waters of the United States, 1969 Ohio River Basin /
1974
495
Quality of surface waters of the United States, 1969 part 7, Lower Mississippi River Basin ; prepared in cooperation with the states of Arkansas, Colorado, Kansas, Louisiana, Mississippi, Missouri, New Mexico, Oklahoma, Tennessee, Texas, and with other agencies.
1974
496
Quality of surface waters of the United States, 1969 Western Gulf of Mexico basins /
1974
497
Quality of surface waters of the United States, 1970 Colorado River Basin and the Great Basin /
1976
498
Quality of surface waters of the United States, 1970 North Pacific slope basins, Alaska, and Hawaii and other Pacific areas /
1976
499
Quality of surface waters of the United States, 1970. Part 1, North Atlantic slope basins /
1975
500
Quality of surface waters of the United States, 1970. Part 11, Pacific slope basins in California /
1974
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