You never know what's going to pop up when you examine a set of field notes written in 19th century Texas. So many of the surveyors were from somewhere else and they often brought some of the practices from that elsewhere with them. The surveyor who drew this memorable North arrow on the inset sketch on the face of the field notes he filed in the Texas GLO also used a term I've never seen before. His description runs along a line to a monument on that line that he calls a "designation point", giving bearing tree calls to identify it. It isn't a witness corner in that in several cases where the designation point occurs, there are also marked corners called for at the terminals. Generally, he wrote an excellent and detailed metes and bounds description, unusually detailed for the time, in fact. Is "designation point" a term used in 19th century surveying that anyone else is familiar with?