Here's a link to an article about the opening of an 1872 time capsule in Reno. This is a publication about coins, so it naturally has more of an emphasis on the silver dollars found in the capsule:

https://www.coinbooks.org/ana/ana_esylum_v03n17.html#article29

The article also contains a link to the original article in the Reno Gazette Journal for those who want to learn more