Effect of acid precipitation on aquatic resources: results of modeling workshops
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FWS/OBS↗
Geology topics
Office of Biological Services
Publications and source records attributed to Office of Biological Services.
Habitat Preservation Abstracts
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FWS/OBS↗
Biological evaluation of environmental impacts : proceedings of a symposium at the 1976 meeting of the Ecological Society of America, American Institute of Biological Sciences
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FWS/OBS↗
Preliminary information, volcanic ash problems and concerns for fish and wildlife
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FWS/OBS↗
The Chenier Plain ecosystem: an ecological characterization
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FWS/OBS↗
Coastal ecosystems characterizations - a summary of activities FY75 through FY79
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FWS/OBS↗
Biological Services Program report
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FWS/OBS↗
Habitat Preservation Abstracts
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FWS/OBS↗
Balancing national energy needs with ecological requirements: Eastern Energy and Land Use Task Force Report, executive summary
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FWS/OBS↗
Cooperative Instream Flow Service Group: the first year
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FWS/OBS↗
Biological Services Program, fiscal year 1976
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FWS/OBS↗
Coal project: background information (planning and management)
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FWS/OBS↗
Coal project: executive summary (coal project 5-year framework)
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FWS/OBS↗
Biological Services Program-fiscal year 1975
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FWS/OBS↗