Dangos 1 - 10 canlyniadau o 37 ar gyfer chwilio 'Geological Survey (U.S.)', amser ymholiad: 0.03e Mireinio'r Canlyniadau
  1. 1

    Water quality in the Delaware River Basin, Pennsylvania, New Jersey, New York, and Delaware, 1998-2001

    Cyhoeddwyd 2004
    Llyfr

    Water quality in the Delaware River Basin, Pennsylvania, New Jersey, New York, and Delaware, 1998-2001
  2. 2

    Trends in concentrations of polychlorinated biphenyls in fish tissue from selected sites in the Delaware River basin in New Jersey, New York, and Pennsylvania, 1969-98 gan Riva-Murray, Karen

    Cyhoeddwyd 2003
    Llyfr

    Trends in concentrations of polychlorinated biphenyls in fish tissue from selected sites in the Delaware River basin in New Jersey, New York, and Pennsylvania, 1969-98
  3. 3

    Use of stable isotopes of carbon, nitrogen, and sulfur to identify sources of nitrogen in surface waters in the lower Susquehanna River Basin, Pennsylvania gan Cravotta, Charles A.

    Cyhoeddwyd 2002
    Llyfr

    Use of stable isotopes of carbon, nitrogen, and sulfur to identify sources of nitrogen in surface waters in the lower Susquehanna River Basin, Pennsylvania
  4. 4

    Ground-water resources of the Middle Rio Grande Basin, New Mexico gan Bartolino, James R.

    Cyhoeddwyd 2002
    Llyfr

    Ground-water resources of the Middle Rio Grande Basin, New Mexico
  5. 5

    Lake Pontchartrain Basin bottom sediments and related environmental resources

    Cyhoeddwyd 2002
    Cael y testun llawn
    Electronic Resource

    Lake Pontchartrain Basin bottom sediments and related environmental resources
  6. 6

    The compact NASA atlas of the solar system gan Greeley, Ronald

    Cyhoeddwyd 2001
    Llyfr

    The compact NASA atlas of the solar system
  7. 7

    Ground-water-level monitoring and the importance of long-term water-level data gan Taylor, Charles J.

    Cyhoeddwyd 2001
    Llyfr

    Ground-water-level monitoring and the importance of long-term water-level data
  8. 8

    An interdisciplinary assessment of regional-scale nonpoint ground-water vulnerability theory and application gan Bernknopf, Richard L. (Richard Lewis)

    Cyhoeddwyd 2001
    Connect to resource online
    Llyfr

    An interdisciplinary assessment of regional-scale nonpoint ground-water vulnerability theory and application
  9. 9

    Beyond the Golden Gate oceanography, geology, biology, and environmental issues in the Gulf of the Farallones

    Cyhoeddwyd 2001
    Cael y testun llawn
    Llyfr

    Beyond the Golden Gate oceanography, geology, biology, and environmental issues in the Gulf of the Farallones
  10. 10

    Comparative water-quality assessment of the Hai He River basin in the People's Republic of China and three similar basins in the United States

    Cyhoeddwyd 2001
    Llyfr

    Comparative water-quality assessment of the Hai He River basin in the People's Republic of China and three similar basins in the United States

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