EP 1.23:600/3-77-096
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Environmental effects of septic tank systems / |
1 |
EP 1.23:600/3-77-097
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Impact of nearstream vegetation and stream morphology on water quality and stream biota / |
1 |
EP 1.23:600/3-77-098
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Agricultural runoff management (ARM) model version II : refinement and testing / |
1 |
EP 1.23:600/3-77-100
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Distribution of phytoplankton in Virginia lakes / |
1 |
EP 1.23:600/3-77-101
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Distribution of phytoplankton in Mississippi lakes / |
1 |
EP 1.23:600/3-77-102
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Distribution of phytoplankton in South Carolina lakes / |
1 |
EP 1.23:600/3-77-103
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Distribution of phytoplankton in West Virginia lakes / |
2 |
EP 1.23:600/3-77-104
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Photochemical oxidant air pollutant effects on a mixed conifer forest ecosystem : a progress report, 1976 / |
1 |
EP 1.23:600/3-77-105
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Nonpoint source -- stream nutrient level relationships : a nationwide study / |
1 |
EP 1.23:600/3-77-106
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The trophic status and phosphorus loadings of Lake Champlain / |
1 |
EP 1.23:600/3-77-107
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Water-softening and conditioning equipment : a potential source of water contamination / |
1 |
EP 1.23:600/3-77-122
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Movement of mercury-203 in plants / |
1 |
EP 1.23:600/3-77-124
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Distribution of phytoplankton in Maryland lakes / |
1 |
EP 1.23:600/3-77-125
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Survey of chemical factors in Saginaw Bay (Lake Huron) / |
1 |
EP 1.23:600/3-77-128
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The effects of oxidant air pollutants on soybeans, snap beans and potatoes / |
1 |
EP 1.23:600/3-77-129
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Septic tank disposal systems as phosphorus sources for surface waters / |
1 |
EP 1.23:600/3-77-130
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Characterization of shrimp baculovirus / |
1 |
EP 1.23:600/3-77-133
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Procedures for measuring cough (gill purge) rates of fish / |
1 |
EP 1.23:600/3-78-001
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Distribution and importance of phytoplankton in the Atchafalaya Basin / |
1 |
EP 1.23:600/3-78-002
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Relationships of productivity and problem conditions to ambient nutrients : National Eutrophication Survey findings for 418 Eastern lakes / |
1 |