Do You Recognize This Manure Spreader?

I have a ground-driven manure spreader that I dug out of my grove. It is in working order, except the jack, after I replaced the wood. I am trying to figure out who made the spreader. It doesn't look like any of those produced by leading manufacturers, so I am wondering if maybe there were regional manufacturers in northwest Iowa, northeast Nebraska or southwest South Dakota who produced this spreader. Karl Seggerman, email: lbpr12@gmail.com

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