Note 70 — Chapter XII
Thomasina Ross translation
A mine is said to be in boya when it yields an unusually abundant supply of metal. Owing to the great number of mines in Cerro de Pasco, some of them are always in this prolific state. There are times when the boyas bring such an influx of miners to Cerro de Pasco that the population is augmented to double or triple its ordinary amount.