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1 - 4 of 4 resultsSearch results for "class periods"
Assigning Economic Value to Natural Resources (1994)
National Research Council; Division on Earth and Life Studies; Commission on Geosciences, Environment and Resources; Commission on Geosciences, Environment, and Resources
Earth Sciences
Setting Priorities for Land Conservation (1993)
National Research Council; Division on Earth and Life Studies; Commission on Life Sciences; Committee on Scientific and Technical Criteria for Federal Acquisition of Lands for Conservation
Earth Sciences
Mineral Resources and Society: A Review of the U.S. Geological Survey's Mineral Resource Surveys Program Plan (1996)
Division on Earth and Life Studies; Commission on Geosciences, Environment and Resources
Earth Sciences
Downstream: Adaptive Management of Glen Canyon Dam and the Colorado River Ecosystem (1999)
National Research Council; Division on Earth and Life Studies; Commission on Geosciences, Environment and Resources; Committee on Grand Canyon Monitoring and Research
Earth Sciences