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.
The Aquatic Biomes: Aquatic biomes are grouped into two, Freshwater Biomes (lakes and ponds, rivers and streams, wetlands) and Marine Biomes (oceans, coral reefs and estuaries). The Forest Biomes: There are three main biomes that make up Forest Biomes. These are the Tropical Rainforest, Temperate and Boreal Forests (also called the Taiga) The Grassland Biomes: There are two main types of grassland biomes: the Savanna Grasslands and the Temperate Grasslands. The Tundra Biomes: There are two major tundra biomesâThe Arctic Tundra and the Alpine Tundra. Biomes play a crucial role in sustaining life on earth.