"Forestry"

Provide every student in your class with their own slice of time. Each cross section measures 3 1/2” to 4 1/2” in diameter and features clearly delineated rings.

The classic key to identifying trees by their leaves and needles.

Real leaves for comparison.

Teach Students to Quickly Determine Tree Heights

Dehydrated Preserved

Used to Examine Wood Quality and Measure Growth Rates

Easily Take Accurate Measurements in the Field

This exceptional guide to North American insects is a benchmark against which all other guides are measured.

Determine the Diameter of Trunks by Measuring their Circumference

Estimate vegetation cover like the professionals.