Two people on a high school science and conservation trip work outdoors on rocky ground; one lifts a shovel into the dirt while the other holds a yellow sack. Both wear gloves and boots, with trees visible in the background.

Two people on a high school science and conservation trip work outdoors on rocky ground; one lifts a shovel into the dirt while the other holds a yellow sack. Both wear gloves and boots, with trees visible in the background.

Two people on a high school science and conservation trip work outdoors on rocky ground; one lifts a shovel into the dirt while the other holds a yellow sack. Both wear gloves and boots, with trees visible in the background.

Two people on a high school science and conservation trip work outdoors on rocky ground; one lifts a shovel into the dirt while the other holds a yellow sack. Both wear gloves and boots, with trees visible in the background.