Who would be so mean as to place a Nano in the bush, time to search for the almost immpossible.
Given the vegetation cover, bad weather when the coordinates were taken and the unique camo used for this cache you might like to consider that the cache might not be at the exact GZ.
Be prepared to spend some time undertaking a search and please allow every player to have the experience of feeling that they have made a FTF by not sharing information.