This is a 3-step progression that is a play with numbers so be patient and follow the plan closely.
UPDATE 03-12-2016: WAS IN THE AREA DOING MAINTENANCE; THE SIGN HAS CHANGED AND THE GRAND TREE IS DOWN SO TO BE ARCHIVED!
The posted coordinates will take you to one of Seminole Counties nicer preservation areas. Once there, look around for the Division of Forrestry sign and take notice of the persons name.
Step 1: Count the number of letters in the name. Do not count spaces or puncuation. For example, the name Sam D. Smith contains 9 letters but lets use 09 and set X = 0 and Y = 9. If there were 12 letters then X = 1 and Y = 2 so you notice that always consider the number is 2-digits.
Step 2: Your goal is to derive the next stage using the posted corrdinates and the number of letters in the name
Let the posted be
48.496 as 48.MNP
25.582 as 25.QRS
Develop your next location as
N 28 48.ABC
W 81 2D.EFG
A = M + Y
B = Q - Y
C = (N - X) - 4
D = M
E = Y - S
F = R - M
G = (S - X) + 1
Step 3: A projection. From your position found in S2 project
0.273 miles or 1442.179 feet and a heading of 2.36 degrees
(Oregon 550 & GSAK; GZ is clearly recognizable)
Final: You will find the Majectic Tree out in the Open and the laminated white tag containing your log code.
While in the area, also visit the numerous other cache placements.
Time of year can greatly affect the difficulty rating, distance is from S1 to the Final and back to S2 and while kid friendly, do keep an eye on them.
Enjoy, and be safe.