We’ve had our first bit of mail here at Sentinel Hill Press (aka Casa de WinstonP), a postcard showing the campus of, somehow, Miskatonic University. It reads in part:

“I especially enjoyed the Gazette’s articles on cemeteries, petroglyphs, and roads. Have you seen Dighton Rock? A fellow archaeologist showed me the stone and several others, plus a few cemeteries earlier in the first part of the century… Thanks for this preview issue.” -B

Glad you like the issue!
To answer your question, no, I’ve not yet been to see Dighton Rock. Soon perhaps?