宁灵无产盐之地,居民购食,不外蒙盐及灵州属花马池、惠安堡数处之盐。向无额引 [一],亦无征课 [二]。惟考4e46ceff0fc5471eb4076d08f03bdec5灵州旧志内载:吴忠等堡一十九堡,原额引二千二百八十六张,额征课银(试读)...
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