A safe place for small bugs. At the posted coordinates is a power pole. Let the eight, small, vertical numerals from top to bottom be represented by the letters abcdefgh . For example the letter a = 2. Now enter the library, go to the Reference section and find the book "Rcef.gd GEO " . Open the book et voila. Do not take the stamp. Used the lined log book for geocaching and the blank pages for letter box stamping. Small Ink pad in the book. Return the book to its proper place. Fin. Available normal library hours only. Camel stamp stollen, replaced with tree stamp. Sorry, out of camels.