Showing 81 - 100 results of 445 for search '', query time: 0.16s Refine Results
  1. 81
    Organic debris in small streams, Prince of Wales Island, southeast Alaska /
    Published 1984
    Government Document Book
  2. 82
    Clearcutting affects stream chemistry in the White Mountains of New Hampshire /
    Published 1986
    Government Document Book
  3. 83
    Opportunities to protect instream flows in Massachusetts /
    by Sisk, Richard
    Published 1986
    Government Document Book
  4. 84
    Opportunities to protect instream flows in Maine /
    by Ertl, Deana
    Published 1985
    Government Document Book
  5. 85
    Hydrology and ecology of the Apalachicola River, Florida : a summary of the river quality assessment /
    by Elder, John F.
    Published 1986
    Government Document Microform Book
  6. 86
    Simulation of streamflow temperatures in the Yakima River Basin, Washington, April-October 1981 /
    by Vaccaro, J. J.
    Published 1986
    Government Document Book
  7. 87
    The ecology of pools 19 and 20, upper Mississippi River : a community profile /
    by Jahn, Lawrence A.
    Published 1986
    Government Document Book
  8. 88
    Opportunities to protect instream flows in Montana /
    by Bristow, Edgar T.
    Published 1986
    Government Document Book
  9. 89
    Introduction to stream network habitat analysis /
    by Bartholow, John M.
    Published 1986
    Government Document Book
  10. 90
    The ecology of pools 11-13 of the upper Mississippi River : a community profile /
    by Eckblad, James W.
    Published 1986
    Government Document Book
  11. 91
    The St. Marys River, Michigan : an ecological profile /
    by Duffy, Walter G.
    Published 1987
    Government Document Book
  12. 92
    The Detroit River, Michigan : an ecological profile /
    by Manny, Bruce A.
    Published 1988
    Government Document Book
  13. 93
    The St. Clair River and Lake St. Clair, Michigan : an ecological profile /
    by Edsall, Thomas A.
    Published 1988
    Government Document Book
  14. 94
    Seasonal composition of invertebrates in several Oregon streams /
    by Porter, Pamela E.
    Published 1987
    Government Document Book
  15. 95
    River pollution : an ecological perspective /
    Book
  16. 96
    Great rivers of the world.
    Published 1984
    Book
  17. 97
    Organism-substrate relationships in lowland streams /
    by Tolkamp, H. H.
    Published 1980
    Book
  18. 98
    Distribution and ecology of river mollusks in central and western North Dakota.
    by Cvancara, Alan M.
    Published 1975
    Book
  19. 99
    Criteria for estimating limiting nutrients in natural streams /
    by O'Shaughnessy, James C.
    Published 1973
    Book
  20. 100
    The White Clay Creek project : a prototype strategy for protecting small stream valleys.
    Published 1981
    Book
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