Have a Ball, Get Wet or Just Board Multi-cache

UPDATE 9/1/2014
Start at the posted coordinates. Which are the main entrance.
The initial waypoint given for this cache will get you to a huge sign at the main entrance. On this sign are a number of images that are very similar to the attributes used on geocaching.com cache pages

• Multiply the number of attributes by 4 and add that amount to the posted latitude.
  
• Multiply the number of attributes by 10. Add six to that number and use the result as the decimal portion of the longitude.

N 45 31.204 + ____________ = N 45 31.____
W 122 50.____

Proceed to the Field nearest the newly calculated coordinates and use these coordinates in your next calculations.

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Once you’ve found your field (specifically the sign identifying it while you are facing east):

2) Determine the sum of all ten numbers in the phone number at the top of the sign (there is another number with a different area code on the bottom of the sign, but ignore that one).

• Multiply the sum by 5 and subtract this from your current latitude to find your next latitude.
• Multiply the sum by half of the field number (half the field number is a whole number, if it is not then you are at the wrong field) and subtract this from the current longitude to find your next longitude .
  

Proceed to the new coordinates.

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Now that you know how far you are from Home, do the following calculations.

3) Calculate 1/5 the distance to Home.

• Add this amount to the decimal portion of both the the Latitude and Longitude.