George W. Grupp

The United States has the greatest inland waterway system in the world. This waterway system, which includes the Great Lakes, canals, improved and canalized rivers, and the intracoastal waterways, has ...

For about one hundred years, and especially during the past decade, the Navy has been aiding the steadily increasing number of human beings of the temperate zone who are endeavoring ...

One of the chief obstacles to construction progress, economic development, and human survival in the Polar Regions is the lack of, and the difficulties of, transportation. The Navy’s Bureau of ...

The term “Polar Regions” conjures up images of daring explorers in grim struggle against great obstacles. It is doubtful if the United States Navy explorers DeLong, Melville, and Peary fully ...