The coordinates should bring you to a plaque. Study the plaque and find the following answers which will lead you to the cache.
1) When was the plaque dedicated? Then subtract 2001.
2) Substitute the first 3 letters of the word above the waves with the number 1, 2, and 3. Use it to solve the following puzzle: r3f3r3n13
The answer to number one is the floor you must go to.
The answer to number two is the desk you need to go to get the cache.
Together you should be able to locate the cache and have another smilie on your map.
Hours for this cache is limited! It could only be accessed during library hours please refer to the following webpage before making a trip over: https://www.myclearwaterlibrary.com/about/locations-and-hours.
ybpngrq fbzrjurer va gur yvoenel ng n qrfx.