THE CACHE IS NOT AT THE POSTED COORDINATES.
In order to find this cache, you must first complete the 7 Creeks Recreation Area Adventure Lab.
Bug spray is highly recommended and be prepared for standing water if it has been rainy.
At the end of each completed stage of the Adventure Lab, you will receive clues to help you find the bonus cache. Use the clues and the equations below to solve for the coordinates.
F = E - A G = D - A H = A + B
N 30 A B . C D F
W 81 A E . C G H