1 For less accessible burst pipes, such as underground or inside a wall, it can cost $400-$1,500 or more, depending on how much work it takes to uncover the burst pipe and if the work is done on an emergency basis. 2  A Denver plumber estimates fixing hundreds of burst pipes in one winter, with an average bill of $900. If the leak is under a concrete slab foundation, just repairing the pipe can cost $500-$3,800 or more; see How Much Does a Slab Leak Cost. 2  A spot repair can put additional pressure on the remaining pipes; it might be necessary to replace everything.
The team found that Native Americans most likely had a common Siberian origin, contradicting theories that an earlier migration from Europe occurred. The timeline Rasmus and his colleagues propose goes something like this: About 23,000 years ago, a single group splintered off from an East Asian population.
A study of skulls excavated from the tip of Baja California in Mexico suggests that the first Americans may not have been the ancestors of today's Amerindians, but another people who came from Southeast Asia and the southern Pacific area.nstead, her facial features matched most closely with the native Aborigines in Australia. These people date back to about 60,000 years and were themselves descended from the first humans who probably originated in Africa.