FIGURE 1.
Examples of students conducting the fieldwork in woods near their high school. Drag cloth on the ground (A) and in use (B).
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.