The Skinny on Compression Shorts. by Berkeley Wellness | January 01, 2013. Print. Browse through a sporting-goods store or website, or simply look around a gym or health club, and youâre likely to see the thick, stretchy shorts and tights (and sometimes tops) known as compression garments.
The short answer is that nobody really knows. The Central Pacific Railroad had a maximum of about 12,000 workers at one time, and the Union Pacific probably had a similar number, but people came and went, so the actual number who ever worked is significantly larger, but unknown.
After a seven-year sprint and major, often heroic human effort, the first phase of construction of the transcontinental railroad had its watershed moment on May 10, 1869, when the Central Pacific and the Union Pacific railways joined at Promontory Point, Utah.