... Canada,opened up the American industrial and agricultural heart-land to oceangoing vessels. A series of canals, dams, and locksallows ships to travel the Great Lakes all the way to Chicago.Other major ... weather pattern occasionally movedas far north as Nebraska and the Dakotas. Dust storms in1935 carried away wheat—half of the crop in Kansas, one-fourth in Oklahoma, and the entire Nebraska planting. ... experts—includingEdison,Thomas Alva 93Next, Reed assembled a team of army doctors, includingMajor James Carroll, Major Jesse W. Lazear, and MajorAristides Agramonte of Havana (a Cuban national who was a member of the U.S....