Timber Growing and Logging Practice in the Northeast: Measures Necessary to Keep Forest Land Productive and to Produce Full Timber Crops. (open access)

Timber Growing and Logging Practice in the Northeast: Measures Necessary to Keep Forest Land Productive and to Produce Full Timber Crops.

Discusses timber-growing in the different regions of the northeastern United States. Provides recommendations for maintaining productivity in forested areas.
Date: March 1930
Creator: Dana, Samuel Trask, 1883-
System: The UNT Digital Library
Structure and development of the alimentary canal of the southern armyworm larva. (open access)

Structure and development of the alimentary canal of the southern armyworm larva.

Describes a scientific research study of southern army larvae. Describes in detail the alimentary canal of the larva.
Date: March 1941
Creator: Woke, Paul A.
System: The UNT Digital Library