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Conservation Movement - Part 1: Introduction
by: Daniels, Dennis F., Freeman, Joan E., Murray, Raymond L., Roe, Charles E., Rohr, Karl, Shires, Nancy P.
from: Encyclopedia of North Carolina, University of North Carolina Press.
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Conservation Movement - Part 2: Initial Water Conservation, Forestry Regulation, and Antipollution Policies
by: Roe, Charles E., Rohr, Karl
from: Encyclopedia of North Carolina, University of North Carolina Press.
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Conservation Movement - Part 3: Development of the Modern Environmental Movement
by: Roe, Charles E., Rohr, Karl
from: Encyclopedia of North Carolina, University of North Carolina Press.
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Conservation Movement - Part 4: New Programs, Legal Initiatives, and Continuing Environmental Threats
by: Roe, Charles E., Rohr, Karl
from: Encyclopedia of North Carolina, University of North Carolina Press.
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Decoration Day
by: Rohr, Karl
from: Encyclopedia of North Carolina, University of North Carolina Press.
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Forests- Part 1:Introduction
by: Bullard, A. J., Freeman, Joan E., Norris, David A., Rohr, Karl, Snow, Jean, Southern, David, York, Maury
from: Encyclopedia of North Carolina, University of North Carolina Press.
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Forests- Part 2: Important North Carolina Tree Species
by: Bullard, A. J., Freeman, Joan E., Norris, David A., Rohr, Karl, Snow, Jean, Southern, Ed, York, Maury
from: Encyclopedia of North Carolina, University of North Carolina Press.
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Forests- Part 3: Efforts to Protect North Carolina Forests and Trees
by: Bullard, A. J., Freeman, Joan E., Norris, David A., Rohr, Karl, Snow, Jean, Southern, David, York, Maury
from: Encyclopedia of North Carolina, University of North Carolina Press.
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Square Dancing
by: Rohr, Karl
from: Encyclopedia of North Carolina, University of North Carolina Press.