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  1. Leonard D. Gale and John Torrey correspondence, 1853
    By: Gale, Leonard D. (Leonard Dunnell),
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    Subjects: (Leonard Dunnell),  1796-1873  1800-1883  1806-1859  Analysis  Correspondence  District of Columbia  Drinking water  Ellet, William Henry,  Gale, Leonard D  Quercus  Quercus heterophylla  Torrey, John,  Washington  Water-supply  
    BHL Collections: John Torrey Papers | New York Botanical Garden
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  2. Reauthorization of the Toxic Substances Control Act : hearings before the Subcommittee on Toxic Substances, Research, and Development of the Committee on Environment and Public Works, United States Senate, One Hundred Third Congress, second session, May 17 and July 13, 1994.
    By: United States. Committee on Environment and Public Works. - United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Toxic Substances, Research, and Development.
    Publication info: Washington :For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office,1994.
    Holding Institution: Boston Public Library (archive.org)
    Subjects: Chemicals  Drinking water  Environmental monitoring  Hazardous substances  Law and legislation  United States  
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  1. ALTERATION OF NITROGEN CYCLING BY AGRICULTURAL ACTIVITIES, AND ITS ENVIRONMENTAL AND HEALTH CONSEQUENCES
    By: Cleemput,Oswald van - Boeckx,Pascal
    Type: Article
    In: Gayana. Botánica
    Date: 2005-01-01
    Subjects: acidification  Drinking water  Eutrophication  greenhouse effect  nitrogen loss  Ozone  
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  2. Cyanobacterial occurrence and detection of microcystin by planar chromatography in surface water of Billings and Guarapiranga Reservoirs, SP, Brazil
    By: Carvalho,Luciana R. de - Sant'Anna,Célia L. - Gemelgo,Marcina C.P. - Azevedo,Maria Teresa de P.
    Type: Article
    In: Sociedade Botânica de São Paulo
    Date: 2007-03-01
    Publication info: Sociedade Botânica de São Paulo
    Subjects: Cyanobacteria  Drinking water  microcystins  planar chromatography  Reservoirs  
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