Just reading about the guy (Salisbury Haley) who cocked up the laying out of the street grid in Santa Barbara, California.
Due to the fact that his survey chains were broken and held together with oxhide, they then expanded on damp mornings and contracted in the sun, thereby meaning that he ended up as much as 45' (13.7 metres) out of true by the time he had crossed the city and blocks which should have been exactly 450 feet, ranged from 450 to 464 (137 to 141 metres) on a side.
According to the Wiki entry on this, the problems caused by these misalignments still persist today.
As much of an arse as he was though- would a slight kink really cause problems today?
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