is that the boulder choke in Sunset lower series?Try this
View attachment 21515
Diccan Pot? (What is a diccan anyway?)
So probably a local personal name/surname?It was spelt as "Dicken" by Otley (1849) and Balderstone (1890).
I've never read that book and I'm having a guess at somewhere I've been but mostly forgotten the details of - is it the Nemesis pitch of Langcliffe Pot?Not Strans Gill.
But is is in NFTFH