When your#trigpoint needs protecting, you call in the sheriff. Letter dated 29 May 1822 from the Derry Sheriffs, Kennedy and Gage, written to Dublin Castle confirming their best endeavour in protecting Major Colby’s objects. #ordnancesurvey #os200
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@thederrywalls @IrelandMapped @ULGeog @QUBGeography From the OS name books digitized by @IrelandMapped -a letter dated October 22, 1827 from Jas. Brady to Lieutenant Bailey saying he has cautioned his parishioners to not destroy the OS survey poles. Seems sentiments didn’t change much in five years!