There have been many ice ages during the last 2.6 million years but when people talk about the Ice Age, they are often referring to the most recent glacial period, which peaked about 21,000 years ago and ended about 11,500 years ago.
It costs roughly â¦ $11-$13 for the materials and contractors average about $5-$8 per square foot for labor, not including steps. For example, my company charges approximately $18 per square foot to build a deck.
Of coarse it depends on your location. Here in North Eastern PA The average is $16-$20 per square foot, depending on the county, township, or city you are in. It costs roughly â¦ $11-$13 for the materials and contractors average about $5-$8 per square foot for labor, not including steps.For example, my company charges approximately $18 per square foot to build a deck.o the difference in *cost to build a car* between Ford's and Toyota's labor cost per vehicle is $15/hr * 30 hours + $70/hr * 2hrs, or roughly $600, or.