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Growth & development of older plantations in northwestern Pennsylvania

Informally Refereed

Authors

Ted. J. Grisez

Source

Res. Pap. NE-104. Upper Darby, PA: U. S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 40 p.

Year
1968
The role of customer satisfaction in managing commercial campgrounds

Informally Refereed

Authors

Wilbur F. LaPage

Source

Res. Pap. NE-105. Upper Darby, PA: U. S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 23 p.

Year
1968
Vacuum pumping increases sap yields from sugar maple trees

Informally Refereed

Authors

Barton M. Blum, Melvin R. Koelling

Source

Res. Pap. NE-106. Upper Darby, PA: U. S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 14 p.

Year
1968
Effect of vacuum pumping on lateral movement of sap in the maple tree bole

Informally Refereed

Authors

Barton M. Blum, Melvin R. Koelling

Source

Res. Pap. NE-107. Upper Darby, PA: U. S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 9 p.

Year
1968
Variation of sugar maple sap yield and its influence on experimental design

Informally Refereed

Authors

Barton M. Blum, Carter B. Gibbs

Source

Res. Pap. NE-108. Upper Darby, PA: U. S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 8 p.

Year
1968
Depth, weight, and water storage of the forest floor in white pine stands in Massachusetts

Informally Refereed

Authors

Donald L. Mader, Howard W. Lull

Source

Res. Pap. NE-109. Upper Darby, PA: U. S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 35 p.

Year
1968
Do small mammals and birds affect reproduction of spruce and fir?

Informally Refereed

Authors

Arthur C. Hart, Herschel G. Abbott, Edward R. Ladd

Source

Res. Pap. NE-110. Upper Darby, PA: U. S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 8 p.

Year
1968
Investment analyses of stand improvement and reforestation opportunities in Appalachian forests

Informally Refereed

Authors

Owen W. Herrick, Edwin J. Morse

Source

Res. Pap. NE-111. Upper Darby, PA: U. S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station 43 p.

Year
1968
SNOOP: a computer program for 2- and 3-dimensional plotting

Informally Refereed

Authors

Warren E. Frayer

Source

Res. Pap. NE-91. Upper Darby, PA: U. S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 23 p.

Year
1968
A treetop tramway system for meteorological studies

Informally Refereed

Authors

Raymond E. Leonard, Arthur R. Eschner

Source

Res. Pap. NE-92. Upper Darby, PA: U. S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 10 p.

Year
1968

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