These are letterbox caches in the sense that each cache contains a stamp to be used by the cache finder for their own logs. The caches are at the posted coordinates (except for #7!) Please feel free to mark the cache log with your own personal stamp too!
The caches are fairly easy finds along gravel roads; the terrain rating has more to do with the condition of the ditches - during certain times of the year you may encounter standing water.
Caches 1-6 in the FLS each contain a bonus # to be used to locate FLS #7 "Bonus Cache: Catch Froggie @ Home!" Make sure to write this number down somewhere :)