16 Powell
American geologist and
dy of Earth's physical
5, when he was 22 years
320 mile length of the
ear he rowed all of the
What was John Wesley Powell
the first person to do?
A. take notes about the landscape
B. lead an expedition
C. travel through the entire Grand Canyon
Haven't learned this yet.
see the many different
recorded everything he
makers for land surveys.
eographic Expedition. He
the Green River and