Bureau of Labor Statistics. According to the U.S. Bureau of Labor Statistics (BLS), all truck drivers earned a median hourly wage of $18.61 in 2013; that same year, they earned a median annual salary of $38,700.Truck companies or construction companies most often employ dump truck drivers.ureau of Labor Statistics. According to the U.S. Bureau of Labor Statistics (BLS), all truck drivers earned a median hourly wage of $18.61 in 2013; that same year, they earned a median annual salary of $38,700.
Range. River otters can be found in streams, lakes, reservoirs, wetlands and along marine coasts in all states and territories of the United States and Canada. River otters are being reintroduced in the Rocky Mountain region to counter the population decrease in the 1800s.
Sea otters and the kelp forest ecosystem have a strong relationship with one another. The strength or robustness of one, often influences the productivity of the other. Often then, are sea otters considered a keystone species, an important species vital to the overall health of ecosystems.