1930s pair RPPC shaft mine Tonopah Nye Co NV steam engine crossing iron bridge

Description

This pair of real photo postcards were found together. Oneis identified as being in Tonopah, Nye County, Nevada, showingminers at a mine shaft (unknown specific location, and unknownwhat ore they were mining for...gold, silver, copper or somethingelse). The other card shows a steam engine of 1930s vintagecrossing an open metal-truss bridge in what looks like a desertarea, but it has no information in the image or written on the cardas to location.Slight soiling or toning, a little edge and corner wear.Shipped via USPS first class mail.