At the posted coordinates is a plaque. Use the information on the plaque to find the final coordinates
The final cache is hidden at N 33° 15.ABC' W 96° 47.XYZ'
A = Number of letters in the last word of the 2nd line
B = Number of letters in the last word of the 5th line
C = The third digit in the year at the bottom of the sign
X = Number of letters in the 4th word of the 3rd line
Y = Number of letters in the 5th word of the 10th line
Z = Number of letters in the 7th word of the 6th line
The words "Prosper United Methodist Church" do not count for lines. The first line starts with "In 1899..."