Found it with Vinyl Slider during a Labor Day trip to greater Maryland.
We did the entire challenge in one day. My caches were:
(1) GCN986 : Taking care of business
(2) GC1MB0C : Undecided
(3) GC15G6F : 84 Cache n Dache
Apologies for this short log.
Details and photos later this week. TFTC