The following link gives an interesting analysis of Psalms 104, which most commentators believe is a restatement of Gods Creation. The author goes on to show how this chapter, verse 9 in particular, proves that the flood had to have been local if you are a Biblical literalist.
http://www.geocities.com/CapeCanaveral/Lab/6562/youngearth/psalm104.html
On the following page, he goes into a very detailed analysis as to why the Scriptural account of the flood, without even any reference to the physical evidence, shows that it was local:
http://www.geocities.com/CapeCanaveral/Lab/6562/apologetics/localflood.html#01
Again, this is based NOT on reading the account as an allegory or using symbolic language, but based on a literal reading.
http://www.geocities.com/CapeCanaveral/Lab/6562/youngearth/psalm104.html
On the following page, he goes into a very detailed analysis as to why the Scriptural account of the flood, without even any reference to the physical evidence, shows that it was local:
http://www.geocities.com/CapeCanaveral/Lab/6562/apologetics/localflood.html#01
Again, this is based NOT on reading the account as an allegory or using symbolic language, but based on a literal reading.