1870s

To give a great oversimplification, after the Civil War or between 1870s to 1890s, the United States entered an industrial era, where new railways expanded across the nation, creating a new and more connected network across teh nation With a POD I've been using for most of my CSA Victory asks...

The Mining Act of 1872 established American citizens' right to stake mineral claims on the public domain - something that had previously been ambiguous-to-illegal on the federal level despite a few decades' worth of gold rushes in the West. Recently I've come across suggestions in a few sources...