Sets of aerial photographs (Figure 3-4), covering the coastal area of Phang Nga
province, from two different dates are from the Royal Thai Survey Department. The
black and white photos were taken on January 4, 1999 at a scale of 1: 50,000. The
second set of color photos was captured on January 15, 2005 at a scale of 1: 15,000. Each
photograph is scanned into the computer for the accuracy assessment process.