These are Sanborn Company Fire Maps for London, Kentucky. You may have better luck studying these if you will simply copy the image to your desktop where you can enlarge them.

London, Kentucky Fire Map April 1895 Page 1
London, Kentucky Fire Map April 1895 Page 2
London, Kentucky Fire Map June 1901 Page 1
London, Kentucky Fire Map June 1901 Page 2
London, Kentucky Fire Map April 1908 Page 1
London, Kentucky Fire Map April 1908 Page 2
London, Kentucky Fire Map April 1908 Page 3
London, Kentucky Fire Map April 1912 Page 1
London, Kentucky Fire Map April 1912 Page 2
London, Kentucky Fire Map April 1912 Page 3
London, Kentucky Fire Map April 1912 Page 4