Looking for help from the pros to ID today's fine

[Hookset]

You were so helpful last time with factual information I am back... yesterday I found a second .50-70 hull and today I found a US Climax no12, (would like your opinion of the date), and two other items in close proximity ( see pic). both .50-70 and these items were found with 30 yards of each other. Out in nowhere west Texas about 500 yards from a creek. Years ago I did stumble onto an arrow head by the creek.
Thank you!

 

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[Terry Soloman]

Top piec is a barb from barbed wire.

 

[DizzyDigger]

A shotgun casing, a piece of barbed wire wrap (for securing the wire
to a fence post) and a rivet.

 

[eyemustdigtreasure]

you have a US Dish-based headstamp. 12guage
Made by the US Cartridge Company, between 1864-1926
A good reference for American-made shot shells are:
USC Co Headstamps