VPRS 14976 Mine Production Statistics for Individual Mines

This series consists of a set of cards containing mining production statistics for individual mines created by the Mines Department (VA 612).Information recorded on the cards includes the mine name, reef name, mining district, the division of the mining district, the year of mining, the total number of tons of quartz that was crushed, the total number of ounces of gold yielded, the pennyweight (Dwt), particulars, remarks, bibliography of reports containing the particulars of workings, and any general comments.The pennyweight (Dwt) was an ancient weight based on the weight of a silver penny. It was often used to measure substances such as gold or arsenic and roughly corresponded to one twentieth of an ounce.Comments and remarks included such things as the date the mine closed, the depth reached by the mine, the dividend yielded, reasons why the mine was closed and so on.

本数据集系列由矿业部（Mines Department，VA 612）编制的单座矿山采矿生产统计卡片组构成。卡片上记录的信息包括：矿山名称、矿脉名称、采矿区、采矿区分区、开采年份、破碎石英总吨数、产金总盎司数、金衡英钱（pennyweight, Dwt）、详情说明、备注、收录开采作业详情的报告参考文献，以及各类一般性评论。
金衡英钱（pennyweight, Dwt）是一种以银便士重量为基准的古制重量单位，常被用于计量黄金、砷等物质，其重量约为1盎司的二十分之一。
备注与一般性评论的内容涵盖矿山关闭日期、矿井开采深度、派发股息情况、矿山关停原因等。