I would also add; why would Muhammad (SAW) be interested to write a book that gives a history of Moses and Jesus more than himself whilst his religion has a different belief? Why would he be so interested to write a history of all prophets before him? Why is it that he was the only person able to write about embryology at that time? (Where were the others)
Your argument about using radar-based terrain mapping is the same as an argument about scanning a pregnant woman. So many a time, when pregnant women were trying to determine the sex of a child they were told different sex as compared to the child after birth. Equally, seismologists interpret readings after seismic survey and advices explorations to drill a well only to find out that no oil is available.
Nevertheless, to answer you argument about mounts being pegs, this is clearly explains on this link (if you will pay any attention) and let me say that this link is NOT a verse from Qur'an; http://wiki.answers.com/Q/Why_are_th...s_when_how_why
which is the world's leading Q & A site.