The cache is not at the coordinates listed.
This is the bonus cache to the Nirvana Adventure Lab in Aberdeen, WA. Values are provided for the variables A,B,C & D after completion of various stages of the A.L. to determine the coordinates for this cache. The actual location is: N46° A.B W123° D.C, not far from the "Welcome To Aberdeen" sign.
So, enjoy the adventure lab then swing by for a little lagniappe (look it up in the dictionary) in the form of this bonus cache!